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AI Subcontract Agreement Review

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Guided by Grayver Law Group
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A subcontract agreement binds a subcontractor to perform work under a general contractor (GC) on a construction project. Justee reviews subcontracts against state pay-when-paid/pay-if-paid enforceability, mechanic's lien rights, AIA A401-2017 flow-down provisions, and OSHA safety integration to flag payment, liability, and termination risks.

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Key Takeaways

Pay-when-paid is enforceable in most states; pay-if-paid (true contingent payment) is unenforceable in ~12 states including CA, NY, NC

Mechanic's lien rights vary by state and waiver before payment may be unenforceable (CA Civil Code §8122)

Flow-down clauses bind the subcontractor to prime contract terms — read the prime before the sub

1-2 minutes*

Average Review Time

170+ compliance points analyzed*

Compliance Checks

Bank-level AES-256 encryption

Document Security

* Estimates based on typical documents. Actual results vary by document type and complexity.

Subcontract agreements sit between two contracts — the prime contract (owner-GC) and the subcontract (GC-sub) — and most disputes arise from misalignment between the two. Pay-when-paid clauses (the GC pays the sub within X days of receiving payment from the owner) are enforceable in most states. Pay-if-paid clauses (the sub gets paid only if the GC gets paid — a true contingent obligation) are unenforceable in California (Wm. R. Clarke Corp. v. Safeco, 15 Cal. 4th 882 (1997)), New York (West-Fair Elec. v. Aetna Cas., 87 N.Y.2d 148 (1995)), North Carolina, Wisconsin, and several others. Mechanic's lien rights provide subcontractors a direct claim against the property; California Civil Code §8122 makes lien waivers before payment unenforceable except in narrow form. AIA Document A401-2017 is the industry-standard subcontract template and includes flow-down language binding the sub to the prime contract. OSHA safety, indemnification, additional-insured requirements, and waiver-of-subrogation clauses add to the complexity. Justee analyzes subcontracts against state pay rules, lien law, AIA precedent, and standard insurance terms.

How It Works

1

Upload Your Document

Upload your contract in PDF, DOCX, or TXT format

2

AI Analysis

Our AI reviews your document for compliance issues

3

Review Findings

Get detailed findings with risk ratings and legal citations

4

Take Action

Use our suggestions to improve your document

What We Check

Tests pay-when-paid vs. pay-if-paid enforceability by state

Verifies mechanic's lien rights and waiver compliance

Reviews AIA A401-2017 flow-down provisions

Validates indemnification, AI, and waiver of subrogation

Flags OSHA safety and termination triggers

Common Risks We Identify

Pay-if-paid void in subcontractor's state

Lien waiver signed before payment — unenforceable

Flow-down binds sub to unseen prime terms

Indemnity broader than state anti-indemnity statutes allow

AI requirements unattainable for sub's policy

Hypothetical Case Study by Justee

Justee recently analyzed a 22-page subcontract with a true pay-if-paid clause and a flow-down to the prime contract (which the sub had not seen) for a $1.8M HVAC subcontractor on a Los Angeles commercial project.

Issue Found: Under Wm. R. Clarke v. Safeco, true pay-if-paid is unenforceable in California — the GC owed the sub regardless of the owner's payment status. The flow-down also bound the sub to a 1-year warranty and a 10-year roof-related liability provision in the prime contract that was inappropriate for HVAC scope. The indemnification clause exceeded the limits of California Civil Code §2782 (anti-indemnity for negligence of indemnitee).

Justee Recommendation: We replaced pay-if-paid with pay-when-paid (60-day max), required the GC to provide the prime contract before flow-down took effect, narrowed flow-down to provisions reasonably applicable to HVAC scope, and brought indemnification within §2782's "comparative fault" framework.

Pay-If-Paid in California

Problematic Language

"Contractor shall pay Subcontractor only if and to the extent Contractor receives corresponding payment from Owner."

Recommended Language

"Contractor shall pay Subcontractor for properly performed Work within forty-five (45) days after Subcontractor's submission of a complete pay application, regardless of whether Contractor has received corresponding payment from Owner. The Parties acknowledge that any clause purporting to make payment to Subcontractor contingent on payment by Owner is unenforceable in California under Wm. R. Clarke Corp. v. Safeco Ins. Co. of Am., 15 Cal. 4th 882 (1997). Should Owner default in payment to Contractor, Contractor and Subcontractor shall cooperate in pursuing remedies including mechanic's lien rights."

Why it matters: The amended language complies with California law and replaces the contingent payment with a defined timing obligation plus shared remedies.

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"Justee is redefining the legal document compliance process across all practice areas, transforming hours of work into minutes, while reducing stress and boosting accuracy."

Artem Dolukhanyan
Artem Dolukhanyan

Partner, Corporate Transactions at Grayver Law Group

AI Review vs. Manual Review

FeatureJustee AI ReviewManual Review
Review Time2-5 minutes2-4 hours
CostFree trial available$150-500+
Legal CitationsAutomaticVaries by reviewer
Clause SuggestionsIncludedExtra fee
Availability24/7 instantBusiness hours
* Comparison data represents estimates based on industry research and internal testing for typical contract types. Review times, costs, and accuracy percentages vary by document complexity, length, jurisdiction, and specific legal requirements. See full disclaimer below.

Official Resources

OSHA Construction Standards

OSHA construction safety standards

CA Civil Code §8122 Lien Waivers

California lien waiver statute

DOL Davis-Bacon Act

Davis-Bacon prevailing wages

Related Document Reviews

Construction Purchase Contract ReviewLiability Waiver ReviewEquipment Use Agreement ReviewEngagement Letter Review
Important Legal Disclaimer

Not Legal Advice: The information and analysis provided by Justee AI is for general informational purposes only and does not constitute legal advice. While we strive to provide accurate and helpful information, our AI-powered service is not a substitute for professional legal counsel.

No Attorney-Client Relationship: Use of Justee AI does not create an attorney-client relationship. Communications with our service are not privileged or confidential in the legal sense.

Consult a Professional: For specific legal matters, we strongly recommend consulting with a qualified attorney licensed in your jurisdiction. Legal requirements vary by location and circumstances, and only a licensed attorney can provide advice tailored to your specific situation.

Performance Estimates (*): All statistics, metrics, and numerical claims on this page — including review times, cost comparisons, accuracy percentages, and database size — are estimates based on internal testing, industry research, and typical use cases. Actual results vary based on document type, complexity, length, jurisdiction, and other factors. Cost comparisons reference publicly available average attorney rates and are not guaranteed savings. "1M+ laws and regulations" refers to the breadth of Justee's reference database and does not imply that every provision is checked against every law for every document.

By using our service, you acknowledge that you have read and agree to our Terms of Use and understand the limitations of AI-powered legal analysis. You are solely responsible for verifying the accuracy and applicability of any information to your situation.

Subcontract Agreement Review FAQ

Depends on state. Unenforceable in CA, NY, NC, WI, and others. Justee identifies enforceability by jurisdiction.

Generally only on payment, with state-specific form. CA Civil Code §8122 voids pre-payment waivers. Justee verifies form compliance.

A subcontract clause binding you to the prime contract terms. Justee flags flow-down without delivery of the prime.

Yes — and you should. State anti-indemnity statutes (CA §2782, NY GOL §5-322.1) limit indemnity for indemnitee's own negligence. Justee verifies limits.

No. State-specific construction counsel remains essential for high-value projects. Justee accelerates first-pass review.

Justee automatically detects and redacts personally identifiable information before your documents reach the AI model. Protected types include:

Personal data:
  • Names, email addresses, and phone numbers
  • Social Security numbers and tax identifiers (ITIN)
  • Physical addresses and dates of birth
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  • Business addresses and geographic locations
  • SWIFT/BIC codes, IBAN numbers, and bank routing numbers
  • Business license numbers and attorney bar IDs
  • Corporate tax identifiers (EIN)
Our system achieves 100% detection of standard PII types and approximately 97% overall coverage. Certain rare identifiers — such as cryptocurrency wallet addresses and MAC addresses — may not be detected automatically. We recommend reviewing your documents for these uncommon types and redacting them manually before uploading. See our Privacy Policy and Terms of Use for details and limitations.

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Last updated: May 13, 2026

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