Construction Contracts: Key Provisions Every Owner and Contractor Should Review

The type of construction contract you sign determines how cost risk is allocated between the owner and contractor, how changes are priced and managed, and what financial transparency you are entitled to throughout the project. Choosing the wrong contract type for the project's characteristics — or failing to understand the implications of the type selected — is one of the most consequential decisions in any construction project.

Fixed-Price (Lump Sum / Stipulated Sum) Contracts. The contractor agrees to perform all described work for a fixed price, regardless of the contractor's actual costs. The contractor bears the cost risk — if material prices rise or labor takes longer than estimated, the contractor absorbs those costs. The owner's risk is limited to changes in scope. AIA Document A101 is the standard owner-contractor agreement for lump sum projects. Lump sum contracts work best when the scope is fully defined through complete drawings and specifications before bidding, because every gap or ambiguity becomes a change order opportunity.

Cost-Plus Contracts. The owner pays the contractor's actual, documented costs (labor, materials, subcontractors, equipment) plus a fee — either a fixed fee or a percentage of costs. The owner bears the cost risk: if the project overruns, the owner pays. These contracts are appropriate when the scope is poorly defined, when the project must start before design is complete, or when the owner wants maximum transparency. The key issue is what costs are "reimbursable": every cost-plus contract must carefully define allowable costs, overhead rates, markup percentages, and audit rights.

Guaranteed Maximum Price (GMP) Contracts. A hybrid: cost-plus with a ceiling. The owner pays actual costs plus fee, up to a defined maximum. If costs exceed the GMP, the contractor absorbs the overrun. If costs come in below the GMP, savings may be split between owner and contractor under a "shared savings" provision. AIA Document A102 covers the cost-plus with GMP structure. The critical issue: GMP contracts typically include a "contingency" amount within the GMP that the contractor controls — understand who controls the contingency and what it can be spent on. GMP contracts also require careful definition of what work is "within scope" of the GMP.

Time and Materials (T&M) Contracts. The owner pays the contractor's labor at specified hourly rates plus materials at cost or cost-plus a markup, with no ceiling unless a "not to exceed" (NTE) cap is included. T&M contracts give the contractor no incentive to work efficiently and can result in significant cost overruns. They are appropriate only for small repair work, exploratory work, or situations where the scope truly cannot be defined in advance. Always insist on a "not to exceed" cap.

Unit Price Contracts. Common in civil and infrastructure construction. The contractor quotes a price per unit of work (e.g., per cubic yard of excavation, per linear foot of pipe, per ton of asphalt). The total contract price depends on the actual quantities of work performed. The owner bears the risk of quantity variation — if more units are needed than estimated, the owner pays more. Contractors bear the risk of their unit price being insufficient to cover their actual costs per unit.

Delivery Methods: Design-Bid-Build vs. Design-Build. In design-bid-build (traditional), the owner hires a designer, completes design documents, then bids to contractors. The contractor builds what is designed. In design-build, a single entity (the design-builder) is responsible for both design and construction. AIA Document A141 governs design-build projects. Design-build concentrates more risk in the design-builder and can reduce change orders attributable to design errors, but reduces the owner's control over design details. Construction Manager at Risk (CMAR) is another delivery method where a construction manager provides preconstruction services and then takes on a GMP to build the project.

The scope of work defines what the contractor is required to build for the contract price. Every ambiguity, omission, or conflict in the scope documentation will generate a dispute — usually in the form of a change order claim, a claim for additional compensation, or a delay claim. Understanding how scope is defined, interpreted, and modified is essential for both owners and contractors.

The Contract Documents Hierarchy. Construction contracts typically establish a hierarchy of documents to resolve conflicts: the Agreement governs over the General Conditions, which govern over the Drawings and Specifications. The AIA A201-2017 General Conditions is the standard for most commercial construction projects — it establishes the baseline rights and obligations of owner, contractor, and architect, and is incorporated by reference into the A101 agreement. Many owners and contractors use modified versions of AIA A201; every modification should be carefully reviewed because the standard form has been extensively negotiated over decades.

Drawings vs. Specifications. Drawings show the what and where; specifications show the how and quality. Conflicts between drawings and specifications are common — the "specs govern" rule in the example above is one approach, but other contracts establish the reverse or require the more stringent requirement to apply. Understanding how conflicts are resolved in your specific contract is critical: a contractor who builds to the drawing when the spec required a higher-quality product may face rejection and replacement cost claims.

Exclusions. What the contract price does not include is as important as what it does include. Explicit exclusions prevent contractor claims that excluded items are implied within scope. Common construction contract exclusions include: utility connections beyond a specified point, owner-furnished equipment (OFE) installation, hazardous material remediation, permit fees beyond specified allowances, off-site improvements, and furnishings. If an item is not explicitly included and not explicitly excluded, disputes arise about whether it is "reasonably inferable" from the contract documents.

Allowances. An allowance is a set-aside amount within the contract price for a specific scope item whose final cost cannot be determined at the time of contracting (e.g., tile selection, lighting fixtures, hardware). The contractor prices the balance of the work at firm prices but carries the allowance amount for the specified item. When the owner selects the actual product, the allowance is reconciled: if the actual cost exceeds the allowance, the owner pays the difference; if less, the owner receives a credit. Allowance-heavy contracts shift significant cost uncertainty to the owner and often result in budget overruns.

The Change Order Process. Changes to the scope of work must be made through a formal change order (CO) process: written authorization from the owner (or owner's representative), agreement on price and time impact, and signature by both parties. The AIA A201 §7 establishes the standard change order process. Changes can be executed as: (1) Change Order (bilateral agreement on price and time); (2) Construction Change Directive (CCD) — an owner directive to proceed with work when price/time are disputed; or (3) Minor Change in the Work (architect-directed, no contract adjustment). Under a CCD, the contractor must proceed with the work but preserves its right to dispute the price/time impact.

The Constructive Change Doctrine. A constructive change occurs when the owner directs the contractor to perform work outside the contract scope — or interferes with the contractor's performance — without issuing a formal change order. Common examples: an architect's interpretation that the spec requires a higher-quality product than the contractor priced, the owner's failure to provide access or owner-furnished equipment on schedule, late or incomplete design information, or rejection of acceptable work. Courts and arbitrators have long recognized constructive changes as entitling the contractor to additional compensation even without a formal change order, but contractors typically must comply with contract notice requirements to preserve the claim.

Payment is the contractor's primary right under a construction contract, and cash flow is the lifeblood of any construction project. Understanding how payments are structured, when they are due, what retainage is held, and what lien rights are available when payments are not made is essential for every party to a construction contract.

Progress Payment Structure. Most construction contracts pay for work completed on a monthly or milestone-based schedule through a "pay application" process. The contractor submits an Application for Payment (AIA G702/G703) documenting work completed during the period, materials stored on-site, and retainage. The architect (or owner's representative) reviews and certifies the amount due. The owner then pays within the contractually specified period. The AIA A201 standard is 14 days from the architect's certificate or 7 days from receipt of the application if no architect is involved — but contracts frequently modify these timeframes.

Retainage. Retainage is a percentage of each payment withheld by the owner as security for the contractor's performance — typically 5% to 10% of each progress payment. Retainage is withheld until substantial completion or final completion and released upon satisfaction of contract conditions (punch list completion, receipt of lien waivers, delivery of closeout documents). Retainage serves as the owner's financial leverage, but it also imposes a significant cash flow burden on contractors and subcontractors who must finance that withheld amount for the duration of the project. Many states cap permissible retainage by statute — California caps retainage at 5% (Cal. Pub. Cont. Code § 7201), and numerous other states have similar limitations.

Mechanics' Lien Rights. A mechanics' lien (also called a construction lien or materialman's lien) is a statutory right that allows contractors, subcontractors, and material suppliers to record a lien against the owner's real property when they are not paid for work or materials provided to improve that property. Mechanics' lien rights are creatures of state statute — each state has different rules on: who can file a lien, preliminary notice requirements, the deadline to file the lien (typically 60-120 days after last furnishing work or materials), the deadline to enforce the lien by filing suit (typically 90 days to 1 year after recording), and the specific form requirements. Failure to comply strictly with lien requirements results in loss of lien rights.

Preliminary Notice Requirements. Many states require subcontractors and suppliers (who have no direct contract with the owner) to serve a preliminary notice on the owner and general contractor within a specified number of days after first furnishing labor or materials (e.g., California requires a 20-day preliminary notice; Texas requires a monthly notice on residential projects). Failure to serve the required preliminary notice in time waives the lien right in those states — even if the subcontractor is never paid. Every subcontractor and supplier should serve preliminary notice on every project in every state that requires it, as a matter of practice.

Prompt Payment Acts. Most states have enacted prompt payment statutes that impose mandatory payment deadlines and interest penalties for late payment. Federal prompt payment acts apply to federal construction contracts (31 U.S.C. §§ 3901-3907). State prompt payment acts vary significantly: some apply only to public projects, others to all construction. Interest rates on late payments commonly range from 1% to 2% per month. Many state prompt payment acts also establish "pay-when-paid" and "pay-if-paid" limitations on the ability of prime contractors to pass payment risk downstream to subcontractors.

Lien Waivers. Owners typically require contractors and subcontractors to execute lien waivers as a condition of each progress payment. Lien waivers release the signing party's lien rights for the work and amounts covered by the waiver. There are two types: conditional (effective only upon receipt of the payment) and unconditional (effective immediately upon signature, regardless of whether payment is received). Never sign an unconditional lien waiver until the check has cleared. California has standardized lien waiver forms (Cal. Civ. Code §§ 8132-8138); other states have varying requirements.

Change orders are inevitable on virtually every construction project of any complexity. How they are handled — who can authorize them, how they are priced, and what happens when the parties disagree on price or time impact — has a direct effect on project cost, schedule, and the owner-contractor relationship. Disputes over change orders are among the most common sources of construction litigation.

Written Authorization Requirement. The fundamental rule of construction contracting is that changes must be authorized in writing before the work is performed. Oral authorizations — no matter how clear — are routinely disputed after the fact, leaving contractors unable to recover for work they genuinely performed at the owner's direction. AIA A201 §7 requires a written Change Order signed by all parties. In practice, the project schedule often makes it impractical to price and sign a change order before the work must start. The solution is a Construction Change Directive (CCD) — a unilateral written direction from the owner to proceed with the work, with price and time to be determined. A CCD allows work to proceed while preserving the contractor's right to be compensated.

Notice Requirements. Most construction contracts require the contractor to give written notice within a specified time (commonly 7-21 days) after the event giving rise to the change order claim. The notice requirement serves legitimate purposes — it gives the owner an opportunity to investigate the conditions, mitigate additional costs, or direct the work differently. Failure to give timely notice frequently operates as a waiver of the change order claim, even if the claim is otherwise meritorious. Courts vary on whether to enforce notice requirements strictly or to excuse late notice when the owner suffered no prejudice.

Pricing Change Orders. When the parties agree on a Change Order, the price is negotiated: the contractor submits a breakdown of labor, material, equipment, subcontractor costs, and markup (overhead and profit). Markup rates — typically 10-15% for overhead and 10% for profit — should be specified in the contract. Disputes arise when the contractor's proposed markup is higher than anticipated, when the scope of the change is contested, or when the contractor includes costs that the owner believes are included in the base contract.

Force Account Work. When the parties cannot agree on a price for changed work, the owner may direct the work to proceed on a "force account" or "time and materials" basis: the contractor records all labor hours, material costs, and equipment costs attributable to the changed work, and the owner pays those actual costs plus a specified markup. AIA A201 §7.3.4 addresses the method for determining the value of work performed under a CCD. Force account work requires meticulous recordkeeping — labor time sheets, material receipts, and equipment logs — verified and signed by the owner's representative daily.

Constructive Changes. A constructive change is a change in the contractor's work obligations resulting from owner action (or inaction) that is not accompanied by a formal change order. Classic examples include: an architect's clarification that requires additional work beyond what was shown on the drawings; the owner's failure to disclose known site conditions that differ from what was reasonably expected; late delivery of owner-furnished equipment; or the owner's directive to accelerate the schedule. Courts have long recognized the constructive change doctrine as entitling the contractor to additional compensation, but the contractor must preserve its claim by giving timely notice under the contract's change order notice provision.

Impact on Contract Time. Many change orders that add scope also extend the contract time. However, owners routinely approve the scope and price of a change order while refusing to grant a corresponding time extension — leaving the contractor squeezed between the new work and the original completion deadline. The contractor's failure to request a time extension in the Change Order, or the owner's unilateral notation that "no time extension is granted," can preclude a subsequent claim for delay damages. Always address time impact and any resulting acceleration costs in every change order.

Schedule performance is as important as cost performance on most construction projects. Understanding how "substantial completion" is defined, what happens when the contractor is late, what delays are excusable versus inexcusable, and how concurrent delays are handled is essential for both owners and contractors.

Substantial Completion vs. Final Completion. Substantial completion is a critical contractual milestone: the stage at which the work is sufficiently complete that the owner can occupy and use the project for its intended purpose, even if minor punch list items remain. AIA A201 §9.8 defines substantial completion and the process for its certification. Substantial completion is significant because: (1) liquidated damages typically stop running; (2) the warranty period typically begins; (3) retainage is typically partially released; and (4) the contractor's obligation to maintain builder's risk insurance may shift. Final completion occurs when all punch list items are resolved, all closeout documents are delivered, and the final payment is made.

Liquidated Damages. Liquidated damages (LDs) are a predetermined amount the contractor pays the owner for each day of delay beyond the contract completion date. LDs are enforceable if they represent a reasonable estimate of the owner's actual damages at the time of contracting — they are not penalties. Common LD amounts range from $500 per day for small projects to $10,000-$50,000 per day for large commercial or infrastructure projects. The LD clause should specify: (1) the triggering milestone (substantial completion, final completion, or a milestone); (2) the daily rate; (3) whether LDs are the owner's exclusive remedy for delay (or capped); and (4) any exceptions or excusable delay provisions.

Excusable Delays vs. Inexcusable Delays. Excusable delays are delays caused by events beyond the contractor's control — typically including: acts of God, fire, earthquake, flood, labor disputes not caused by the contractor, acts of government, owner-caused delays, and (in many contracts) unforeseeable material shortages. For excusable delays, the contractor is entitled to a time extension but typically not additional compensation. Inexcusable delays — caused by the contractor's own actions or failures — give the owner the right to assess liquidated damages and potentially terminate for default. The classification of a specific delay as excusable or inexcusable is frequently disputed, particularly for events like supply chain disruptions or pandemic-related shutdowns.

Concurrent Delays. A concurrent delay occurs when both an excusable delay (owner-caused or force majeure) and an inexcusable delay (contractor-caused) exist during the same period. Different jurisdictions handle concurrent delays differently: some courts apportion the time between excusable and inexcusable delay; others hold that when concurrent delays exist, neither party can recover from the other for that period; still others apply the "but for" causation standard. Understanding how concurrent delays are treated under applicable law — and the contract's specific delay analysis methodology — is critical in scheduling disputes.

No-Damage-for-Delay Clauses. A no-damage-for-delay clause provides that the contractor's sole remedy for any delay — including owner-caused delays — is a time extension, with no additional compensation. These clauses are enforceable in many states (including New York, Georgia, and Texas for private projects) but are void as against public policy in others (including California for public works contracts under Cal. Pub. Cont. Code § 7102). Even in states where they are generally enforceable, courts have carved out exceptions for: delays caused by the owner's active interference or bad faith; delays that were not within the contemplation of the parties at the time of contracting; and fundamental changes to the nature of the contractor's work. The practical effect of a no-damage-for-delay clause can be devastating: a contractor delayed for months by owner-caused events may receive a time extension that avoids liquidated damages but recover nothing for the additional overhead, extended general conditions, and escalation costs incurred during the delay.

Construction warranties determine who is responsible for fixing defects after the project is complete — and for how long. Understanding the difference between express and implied warranties, the length of warranty periods, what constitutes a "latent" defect, and when claims are time-barred by statutes of repose is essential for owners managing long-term facility liability and for contractors managing post-completion exposure.

Express Warranties. An express warranty is a specific contractual promise about the quality or performance of the work. The AIA A201 §3.5 express warranty (quoted above) requires that materials be new and of good quality, that the work be free from defects, and that the work conform to the contract documents. Express warranties are typically limited in duration: one year from substantial completion under the AIA standard terms, though contracts may specify longer periods for specific systems (e.g., roofing warranties of 5-10 years, mechanical system warranties of 2 years). The contractor must correct warranty work at its own expense during the warranty period.

Implied Warranties. In addition to express warranties, construction law recognizes several implied warranties: (1) the implied warranty of workmanship — that the work will be done in a skillful, careful, and competent manner; (2) the implied warranty of habitability — applicable in most states to residential construction, warranting that the completed dwelling is fit for human habitation; and (3) the implied warranty that the contractor will follow the plans and specifications. Implied warranties can supplement express warranties and may extend beyond the express warranty period in some circumstances.

Callback Provisions and Warranty Period. The one-year warranty period under AIA A201 §12.2 is a contractual remedy period: the owner must notify the contractor of defects within that period and the contractor must correct them. The one-year period is not a limitations period — it does not bar claims after one year; it simply establishes the period during which the contractor has a contractual obligation to correct defects. Claims for latent defects discovered after the one-year period may still be brought under applicable statutes of limitation or repose.

Latent vs. Patent Defects. A patent defect is observable and discoverable by reasonable inspection at the time of substantial completion. A latent defect is concealed or not discoverable by reasonable inspection — it may not manifest for years after completion (e.g., improper waterproofing concealed by exterior finish, undersized structural members covered by drywall, improper concrete consolidation). Latent defects raise particular issues because they are typically discovered after the express warranty period has expired. Many states recognize tolling of the limitations period for latent defects until the defect is discovered or reasonably should have been discovered.

Statute of Repose vs. Statute of Limitations. A statute of limitations begins running when the plaintiff knows or should know of the claim — typically upon discovery of the defect. A statute of repose begins running at a fixed event (usually substantial completion or the date of the last act of construction) regardless of when the defect is discovered, and cuts off all claims absolutely after the repose period. Construction statutes of repose vary dramatically by state: California (10 years, Cal. Code Civ. Proc. § 337.15), New York (3 years from substantial completion), Texas (10 years, Tex. Civ. Prac. & Rem. Code § 16.009), Florida (10 years from completion, Fla. Stat. § 95.11(3)(c)). After the repose period expires, even latent defects that were not discoverable may be legally barred. Owners should document all construction defects and consult counsel promptly upon discovery.

Insurance and bonding are the financial safety nets that protect owners, contractors, subcontractors, and lenders when things go wrong on a construction project. Understanding what coverages are required, who must maintain them, and what bonds are available — and required — is essential to managing risk on any construction project.

Commercial General Liability (CGL) Insurance. CGL insurance covers third-party bodily injury and property damage claims arising from the contractor's operations. Standard CGL policies contain significant exclusions relevant to construction: the "your work" exclusion (which excludes coverage for damage to the contractor's own work), the "your product" exclusion, and the "completed operations" exclusion during the policy period. Coverage for completed operations (damage occurring after the project is complete but arising from the contractor's work) is a critical coverage for contractors and should be maintained for the duration of the applicable statute of repose.

Builder's Risk Insurance. Builder's risk insurance covers the project itself — the structure under construction — against physical loss or damage (fire, wind, theft, collapse, water damage) during the construction period. Either the owner or the contractor may be required to purchase builder's risk depending on the contract. AIA A201 §11.3 requires the owner to purchase builder's risk unless the parties agree otherwise. Builder's risk policies typically end at substantial completion. Critically, most builder's risk policies exclude coverage for faulty workmanship or defective design — they cover only the resulting physical loss to other portions of the project.

Performance Bonds and Payment Bonds. A performance bond is a surety bond guaranteeing the contractor's performance of the contract — if the contractor defaults, the surety can cure the default, complete the project, or pay damages up to the bond amount (typically 100% of the contract price). A payment bond guarantees that the contractor will pay its subcontractors, suppliers, and workers. Payment bonds provide an alternative remedy to mechanics' liens for unpaid subcontractors and suppliers on bonded projects (because many public projects are not subject to mechanics' liens).

The Miller Act (Federal Projects). On federal construction projects of $150,000 or more, the Miller Act (40 U.S.C. §§ 3131-3134) requires the general contractor to furnish both a performance bond and a payment bond, each in the amount of the contract price. Subcontractors and suppliers who are not paid on a Miller Act bonded federal project can bring a direct action on the payment bond, subject to a 90-day waiting period after last furnishing labor or materials and a one-year limitations period from the date of last furnishing. First-tier subcontractors have direct Miller Act rights; second-tier suppliers/subs must give notice to the prime contractor to preserve their rights.

Little Miller Acts (State Public Projects). Almost all states have enacted "Little Miller Acts" requiring performance and payment bonds on public construction projects above specified dollar thresholds. Threshold amounts vary significantly by state: California requires bonds on public projects of $25,000 or more (Cal. Pub. Cont. Code § 20632); Texas requires bonds on public projects of $50,000 or more (Tex. Gov't Code § 2253.021). Private projects are generally not required to be bonded, though owners may contractually require bonds as a condition of the contract.

Umbrella and Excess Liability. Umbrella policies sit above the primary CGL, auto, and employer's liability policies, providing additional limits when the primary limits are exhausted. Excess policies similarly provide additional limits but follow the form of the underlying policy more strictly. Large construction projects typically require umbrella/excess limits of $10 million to $50 million or more. Verify that the umbrella policy follows the form of all underlying policies and that there are no gaps in coverage between primary and umbrella layers.

Professional Liability (Errors and Omissions). Professional liability insurance covers design professionals (architects, engineers) for errors and omissions in their design services. In design-build projects where the contractor is responsible for both design and construction, the design-builder needs professional liability coverage in addition to CGL. Professional liability policies are typically "claims-made" policies — meaning the claim must be made during the policy period (or an extended reporting period), not when the error occurred. Design professionals must maintain claims-made coverage continuously and purchase extended reporting period ("tail") coverage when they change insurers or retire.

Indemnification clauses in construction contracts determine who bears the financial responsibility for third-party claims arising from the project. The breadth of the indemnification — and whether it extends to the indemnitee's own negligence — is among the most heavily negotiated provisions in construction contracting. The enforceability of broad indemnification clauses is regulated by anti-indemnity statutes in most states.

Three Tiers of Indemnification. Construction indemnification clauses are typically categorized by the extent to which they cover the indemnitee's own negligence: (1) Broad Form — the contractor indemnifies the owner even for the owner's own negligence or sole negligence; (2) Intermediate Form — the contractor indemnifies the owner for the contractor's negligence plus the owner's concurrent negligence (but not the owner's sole negligence); and (3) Limited Form — the contractor indemnifies only for the contractor's own negligence. The AIA A201 §3.18 uses a "caused by" standard — the contractor's obligation is limited to claims to the extent caused by the contractor's (or subcontractor's) negligent acts or omissions. This is closest to the limited/intermediate form.

Anti-Indemnity Statutes. Most states have enacted anti-indemnity statutes that void or limit indemnification provisions in construction contracts to the extent they require a party to indemnify another party for that party's own negligence. These statutes exist specifically to counteract broad-form indemnification clauses that contractors were historically pressured to accept. Key state variations: California (Cal. Civ. Code § 2782) voids provisions requiring the promisor to indemnify for the promisee's active negligence or willful misconduct on private projects; Texas (Tex. Ins. Code § 151.102) requires indemnity obligations to be supported by additional insured coverage; New York (Gen. Oblig. Law § 5-322.1) limits indemnification to the extent of the indemnitor's negligence; Florida (Fla. Stat. § 725.06) voids broad-form indemnification unless the indemnification is supported by additional insured insurance coverage. Verify the applicable state's anti-indemnity statute before relying on (or agreeing to) any broad-form indemnification.

Additional Insured Requirements. Most construction contracts require the contractor to name the owner as an "additional insured" on the contractor's CGL policy. This gives the owner direct coverage under the contractor's policy for claims arising from the contractor's operations. The critical details: (1) the additional insured endorsement must be in the correct form (ISO form CG 20 10 for ongoing operations and CG 20 37 for completed operations); (2) the endorsement should provide primary and non-contributory coverage, meaning the contractor's policy pays before the owner's policy for claims arising from the contractor's work; (3) the additional insured status for completed operations should extend for the full repose period.

Indemnification for Design Errors. In design-build projects, owners sometimes try to extend the contractor's indemnification obligation to cover design errors as well as construction defects. This is problematic for two reasons: (1) design error claims may fall within the professional liability insurance policy, not the CGL policy, and professional liability policies often prohibit contractual assumptions of liability; and (2) anti-indemnity statutes in many states may void such provisions. Design-build indemnification provisions should be reviewed carefully in light of the specific delivery method and applicable state law.

The Duty to Defend vs. Duty to Indemnify. The indemnification clause quoted above includes a "duty to defend" — the contractor must provide a defense (pay for attorneys and defense costs) as well as indemnification (pay any judgment). The duty to defend is typically broader than the duty to indemnify: it arises when there is a "potential" for covered liability, not when liability is established. This is significant because defense costs in construction litigation can be enormous, arising years before any judgment is entered. Some states (including California) have specific rules limiting the scope of contractual duty-to-defend obligations in construction contracts.

Construction disputes are common, expensive, and often complex — involving technical questions of engineering, scheduling, and accounting that require specialized expertise. Understanding the dispute resolution mechanism in your contract and the procedural rights associated with it is essential to protecting your interests when a dispute arises.

The AIA Tiered Dispute Process. AIA A201 §15 establishes a tiered dispute resolution process: (1) initial decision by the Architect; (2) mediation; and (3) final binding dispute resolution (arbitration or litigation, depending on the contract). The architect's initial decision is a prerequisite to mediation and binding dispute resolution — a party who disagrees with the architect's decision must follow the prescribed process or risk waiving the right to challenge it. The architect's initial decision is final and binding unless it is timely challenged.

Mediation. Mediation is a non-binding negotiation process facilitated by a neutral third party (the mediator). The mediator helps the parties identify common interests, evaluate risks, and reach a mutually acceptable resolution — but has no authority to impose a decision. AIA A201 makes mediation a mandatory precondition to arbitration or litigation. The Construction Industry Mediation Procedures of the AAA are frequently used. Mediation is confidential and relatively inexpensive compared to arbitration or litigation. The majority of construction disputes that enter mediation are settled.

Arbitration. Construction arbitration is administered by: (1) the American Arbitration Association (AAA) under its Construction Industry Arbitration Rules; (2) JAMS under its Construction Arbitration Rules; or (3) other dispute resolution organizations. AAA Construction arbitration provides for: a single arbitrator for disputes up to $1 million, a three-arbitrator panel for larger disputes, discovery provisions tailored to construction, and typically a faster resolution than litigation. Arbitration awards are generally final, binding, and subject to judicial review only on very limited grounds (fraud, corruption, manifest disregard of the law) under the Federal Arbitration Act (9 U.S.C. §§ 1-16). AIA A201 provides for arbitration by default but can be modified to require litigation instead.

Litigation. Some contracts (particularly those involving public entities or parties who prefer the litigation process) require disputes to be resolved in court. Litigation provides: full discovery rights; a public record; the right to appeal on broader grounds than arbitration; and a jury trial if demanded (unless waived). Construction litigation is expensive and time-consuming — major construction disputes routinely take 3-5 years and cost hundreds of thousands to millions in attorneys' fees and expert witnesses. Many jurisdictions have specialized construction courts or dockets.

Claims Review Board / Dispute Review Board (DRB). On large infrastructure and public construction projects, Dispute Review Boards (DRBs) or Dispute Adjudication Boards (DABs) are commonly used to resolve disputes in real time during construction. A DRB consists of three neutral construction professionals (typically retired engineers or contractors) who periodically visit the project, monitor progress, and issue recommendations (DRB) or binding decisions (DAB) on disputes as they arise. DRBs have dramatically reduced the litigation costs on large infrastructure projects by resolving disputes before they escalate.

Expert Determination. For disputes involving highly technical questions — defects, engineering calculations, schedule analysis, cost accounting — contracts sometimes provide for resolution by a designated expert (a licensed engineer, forensic accountant, or scheduling expert) whose determination is final and binding on the technical issues. Expert determination is faster and cheaper than full arbitration for narrowly defined technical disputes but provides limited procedural protections.

Forum Selection and Choice of Law. Construction contracts frequently specify both the choice of law (which state's law governs the contract) and the forum (where disputes must be resolved). These clauses are generally enforceable but may be limited by: state statutes that void forum selection clauses for in-state construction projects (e.g., California, which voids out-of-state forum selection clauses for contracts for construction work in California under Cal. Code Civ. Proc. § 410.42); state prompt payment acts that specify remedies; and state anti-indemnity statutes that apply regardless of choice of law.

Construction law is fundamentally state-specific. The mechanics' lien system, prompt payment statutes, anti-indemnity rules, and retainage caps that govern a project in California may be entirely different from the rules in Texas or New York. Parties entering multi-state construction programs must understand the applicable rules in each state where they work.

Key Cross-Cutting Themes. Several patterns emerge across states: (1) Preliminary or pre-lien notice requirements are the most commonly missed deadline — serve notice immediately when work begins on every project; (2) Anti-indemnity statutes in virtually every state prevent contractors from being required to indemnify for the owner's sole negligence, but the specifics vary; (3) Public project retainage is more strictly regulated than private project retainage in most states; (4) Prompt payment statutes for private construction are less uniform than for public construction — in some states (notably Colorado and Pennsylvania), private project payment disputes are governed mainly by contract.

Eight patterns in construction contracts warrant serious concern — either because they are unenforceable under applicable law, create catastrophic financial exposure, or reflect contractual positions that are fundamentally unfair to one party.

Red Flag 1: Pay-If-Paid Clauses. A pay-if-paid clause makes the prime contractor's obligation to pay a subcontractor strictly conditional on the prime contractor first receiving payment from the owner. If the owner never pays, the subcontractor never gets paid — regardless of whether the subcontractor performed its work properly. Pay-if-paid clauses transfer the owner's insolvency risk entirely to subcontractors who have no contractual relationship with the owner and no ability to evaluate the owner's financial condition. California (Cal. Bus. & Prof. Code § 7108.5) limits the enforceability of pay-if-paid clauses on certain projects, and New York (Gen. Bus. Law § 756-a) voids them under specific circumstances. A pay-when-paid clause — which merely postpones the payment deadline until a reasonable time after the owner pays — is materially different and generally enforceable.

Red Flag 2: Broad No-Damage-for-Delay Clause. A no-damage-for-delay clause that covers all delays — including owner-caused delays — without exception effectively makes the contractor an insurer of the owner's delay-causing conduct. Contractors who must mobilize extended personnel, maintain extended equipment, absorb material escalation, and extend their performance bonds for owner-caused delays may receive nothing for those costs. Even in states where no-damage-for-delay clauses are generally enforceable, courts carve out exceptions for owner bad faith and active interference. Review the clause carefully and assess enforceability under your state's law.

Red Flag 3: Blanket Lien Waiver as Payment Condition. Requiring unconditional lien waivers — covering all work to date and future work — as a condition of receiving a progress payment is a significant red flag. An unconditional waiver releases lien rights regardless of whether payment is actually received. If the payment check later bounces or is stopped, you have already waived your lien rights. Always use conditional lien waivers (effective only upon receipt of the specific payment) and never sign a waiver covering amounts beyond the current payment application.

Red Flag 4: Broad Indemnification in Anti-Indemnity States. A contract that requires the contractor to indemnify the owner for the owner's own negligence in a state with an anti-indemnity statute is facially unenforceable — but dangerous because it creates litigation exposure even when the clause is void. Contractors who sign broad indemnification clauses and later discover they are void may still incur significant defense costs before a court rules the clause unenforceable. The presence of such a clause in the contract also signals that the owner is not operating in good faith with respect to risk allocation.

Red Flag 5: Unlimited Liquidated Damages with No Cap. Liquidated damages are legitimate when they represent a reasonable pre-estimate of actual damages — but LDs that are uncapped, or that equal an unreasonably high daily rate relative to the contract price, are punitive rather than compensatory. Courts may refuse to enforce liquidated damages that are disproportionate to actual damages. Look for: LD rates exceeding 0.1-0.2% of the contract price per day, LDs that continue beyond final completion, and LD provisions that purport to be the owner's minimum damages rather than their agreed damages.

Red Flag 6: Unilateral Change Order Pricing. Contracts that give the owner the unilateral right to set the price for a change order — with the contractor required to perform the work and appeal pricing disputes later — create significant exposure for contractors who lack leverage to dispute inadequate pricing after the fact. AIA A201 Construction Change Directives (CCDs) allow the owner to direct work before pricing is agreed, but the pricing process must be fair and the contractor must preserve its right to dispute the price. A contract provision that purports to give the owner final and binding authority to set change order prices, without an appeal process, is a red flag.

Red Flag 7: Contractor Bears Owner Design Risk. In design-bid-build projects, the Spearin Doctrine (United States v. Spearin, 248 U.S. 132 (1918)) establishes that the owner impliedly warrants the adequacy of the design documents — if the contractor follows the plans and specs and the result is deficient, the contractor is not liable for design defects. Some contracts attempt to contractually override the Spearin Doctrine by making the contractor responsible for verifying or independently confirming the design documents. This is particularly problematic for contractors who have no design expertise and no ability to evaluate the engineer's calculations. Provisions that require the contractor to "verify and coordinate" design documents or that hold the contractor responsible for design errors in the contract documents should be carefully reviewed.

Red Flag 8: Owner-Controlled Insurance Programs (OCIPs) With Inadequate Coverage. Owner-Controlled Insurance Programs (OCIPs) or "wrap-up" programs consolidate all project insurance under a single program managed by the owner. OCIPs can reduce insurance costs and ensure consistent coverage across all parties. However, OCIP risks include: coverage that excludes completed operations beyond the project period; lower limits than the contractor would otherwise carry; exclusions that the contractor does not discover until a claim arises; and OCIP administrators who are not aligned with the contractor's interests in claim resolution. Before enrolling in an OCIP, review the master policy — not just the enrollment brochure — and verify that the coverage provided is at least as broad as the coverage you would carry under your own program.

The FAQ section below addresses twelve of the most common questions about construction contracts, covering contract types, payment rights, liens, change orders, delays, warranties, bonds, and disputes.

Q1: What is the difference between a lump sum contract and a cost-plus contract? In a lump sum (stipulated sum) contract, the contractor agrees to perform all specified work for a fixed price, regardless of actual costs — the contractor bears cost risk. In a cost-plus contract, the owner pays the contractor's actual, documented costs plus a fee (fixed or percentage) — the owner bears cost risk. A guaranteed maximum price (GMP) contract combines these approaches: cost-plus with a ceiling that caps the owner's exposure, with any savings below the GMP typically shared between the parties.

Q2: Can an owner withhold payment if the work is defective? Yes, but within limits. AIA A201 §9.5 permits the architect to withhold certification of payment to the extent necessary to protect the owner from loss for reasons including defective work not remedied, third-party claims arising from the work, or failure to maintain required insurance. However, the withheld amount must be proportionate to the actual risk — owners cannot withhold all payment to pressure a contractor on unrelated issues. Most state prompt payment statutes also limit permissible withholding to actual defective work and require notice of the specific basis for any withholding.

Q3: What are my rights as a subcontractor if the general contractor does not pay me? You have three potential remedies: (1) Mechanics' lien rights — file a lien against the owner's property within the statutory deadline, but you may have needed to serve preliminary notice earlier; (2) Payment bond claim — if the project is bonded under the Miller Act (federal, 40 U.S.C. §§ 3131-3134) or a state Little Miller Act, you can make a claim directly on the payment bond; (3) Contract claim against the general contractor — subject to any pay-if-paid clause limitations. The mechanics' lien or payment bond claim is typically the most powerful remedy because it reaches beyond the GC to the owner's property or the surety's assets.

Q4: What is retainage and when do I get it back? Retainage is a percentage (typically 5-10%) of each progress payment withheld by the owner as security for the contractor's performance. It is held throughout construction and released upon satisfaction of contract conditions at substantial or final completion. Release typically requires: completion of the punch list, delivery of closeout documents (as-builts, O&M manuals, warranties), receipt of all required lien waivers, and issuance of a Certificate of Final Completion by the architect. Some states cap permissible retainage percentages by statute — California caps it at 5% on public projects (Cal. Pub. Cont. Code § 7201).

Q5: What is the difference between substantial completion and final completion? Substantial completion is the stage at which the project is sufficiently complete that the owner can occupy and use it for its intended purpose, even if minor punch list items remain. AIA A201 §9.8 governs the substantial completion certification process. Final completion occurs when all punch list items are resolved, all closeout deliverables are provided, and the final payment is made. Key legal consequences trigger at substantial completion: the warranty period begins, liquidated damages typically stop running, and retainage is partially released.

Q6: What is a no-damage-for-delay clause and is it enforceable? A no-damage-for-delay clause provides that the contractor's sole remedy for any delay — including owner-caused delays — is a time extension, with no monetary compensation for delay costs such as extended overhead, escalation, and prolonged equipment costs. These clauses are generally enforceable in many states for private projects, but California voids them on public works (Cal. Pub. Cont. Code § 7102). Courts in many states refuse to enforce them for owner bad faith, active interference, or delays not within the contemplation of the parties at contracting. Always assess enforceability under your specific state's law before signing.

Q7: How does a mechanics' lien work and what deadlines must I meet? A mechanics' lien is a statutory right allowing contractors, subcontractors, and material suppliers to record a security interest against the owner's real property when not paid for work or materials. To preserve lien rights: (1) serve preliminary or pre-lien notice within the state-specific deadline — many states require notice within 20-30 days of first furnishing labor or materials; (2) file the lien claim with the county recorder's office within the state-specific deadline (typically 60-120 days after last furnishing work); (3) enforce the lien by filing suit within the enforcement deadline. Failure to comply strictly with these requirements — especially preliminary notice requirements — results in complete loss of lien rights.

Q8: What does a performance bond do and when must it be obtained? A performance bond is issued by a surety company guaranteeing the contractor's performance of its contract obligations. If the contractor defaults, the surety can complete the project, hire a replacement contractor, or pay damages up to the bond penalty. On federal construction projects of $150,000 or more, the Miller Act (40 U.S.C. §§ 3131-3134) requires both a performance bond and a payment bond. Most states have Little Miller Acts requiring bonds on public projects above varying dollar thresholds. Private project bonding is contractual — required when the owner specifies it in the contract.

Q9: What is the Spearin Doctrine and how does it protect contractors? The Spearin Doctrine (United States v. Spearin, 248 U.S. 132 (1918)) establishes that when an owner provides plans and specifications to a contractor, the owner impliedly warrants the adequacy of those documents. If the contractor follows the plans and specifications and the result is deficient due to design errors, the contractor is not liable for the resulting defects — that is the owner's (or design professional's) responsibility. Some contracts attempt to override the Spearin Doctrine by requiring the contractor to verify the design documents or take responsibility for design errors — these provisions should be carefully reviewed and, where possible, negotiated out.

Q10: What is a pay-if-paid clause and is it enforceable? A pay-if-paid clause makes the prime contractor's obligation to pay a subcontractor strictly conditional on the prime contractor first receiving payment from the owner. If the owner never pays — due to insolvency, dispute, or any other reason — the subcontractor never gets paid regardless of whether the subcontractor performed its work. California (Cal. Bus. & Prof. Code § 7108.5) limits the enforceability of pay-if-paid clauses on certain projects, and several other states have enacted similar protections. A pay-when-paid clause — which delays but does not eliminate the payment obligation — is materially different and generally enforceable.

Q11: What anti-indemnity statutes apply to construction contracts? Most states have enacted anti-indemnity statutes that void or limit construction contract provisions requiring a party to indemnify another party for that party's own negligence. Key examples: California (Cal. Civ. Code § 2782) voids provisions requiring indemnification for active negligence or willful misconduct on private projects; Texas (Tex. Ins. Code § 151.102) requires indemnity obligations to be supported by additional insured coverage; New York (Gen. Oblig. Law § 5-322.1) limits indemnification to the extent of the indemnitor's negligence; Florida (Fla. Stat. § 725.06) voids broad-form indemnification unless backed by insurance. Verify the applicable statute before relying on or agreeing to any indemnification clause.

Q12: What should I do when a payment dispute arises on a construction project? The essential dispute response checklist: (1) Review the contract immediately for notice deadlines — typically 7-21 days from the triggering event — and serve written notice within the deadline; (2) Document everything: daily reports, photographs, contemporaneous correspondence, change order logs, and schedule updates; (3) Immediately assess and calendar all lien notice and filing deadlines — preliminary notice and lien filing deadlines do not stop because a dispute has arisen; (4) On bonded federal projects, assess Miller Act payment bond rights and the 90-day waiting period before suit; (5) Review the dispute resolution process in the contract — initial decision, mediation precondition, arbitration or litigation; (6) Engage construction counsel before the dispute escalates — missed procedural deadlines in construction disputes are often fatal to claims.