Embarking on a construction project, whether a home renovation or a commercial build, is a significant investment. The most critical decision you will make, long before any ground is broken, is selecting the right contractor. Signing a construction contract without proper due diligence is a recipe for project delays, financial loss, and legal headaches. To help you protect your interests, here is a comprehensive guide on how to vet a contractor effectively.

Verify Licensing and Registration

The first and most non-negotiable step is ensuring the contractor is properly licensed. In many jurisdictions, including New York and Florida, unlicensed contractors have no legal standing to sue for unpaid work, and homeowners may even use a contractor’s unlicensed status as a defense against payment claims.

Ask for the License: Request a physical copy of the license and check its expiration date.

• Cross-Check with Local Authorities: Verify the license through your local or state licensing board. In New York, for example, licenses may be required at the village, town, or county level depending on the location of the project.
• Verify Compliance: Ensure the contractor is not only licensed but also registered to do business in your specific state.

Confirm Insurance Coverage

Never assume a contractor is insured just because they have a professional-looking truck or website. If an accident occurs on your property and the contractor is uninsured, you could be held liable.

• General Liability: This is the most crucial policy for improper construction work or property damage.
• Workers’ Compensation: Ensure they cover their employees to avoid personal liability for on-site injuries.
• Verify with the Provider: Don’t just look at the certificate of insurance. Call the insurance producer listed on the document to confirm the policy is active and valid.

Review Past Performance and Reputation

A contractor’s track record is the best indicator of future performance.

• Request References: Speak with at least three past clients. Ask about their communication style, whether they stayed on budget, and if the project was completed on time.
• Check Online Reviews: Look at platforms like Google, Yelp, and TrustPilot. While one bad review isn’t always a deal breaker, a pattern of complaints regarding “unanticipated conditions” or payment disputes should be a warning sign.
• In-Person Interviews: Arrange a meeting to assess their professionalism and understanding of your specific project scope.

Demand a Detailed Written Contract

A handshake agreement is never sufficient in construction. A well-drafted contract should act as a roadmap for the project and a shield against disputes. Essential terms should include:

• Scope of Work: A clear description of exactly what work will be performed to avoid “scope creep” or confusion between.
• Payment Schedule: Define milestones for payments. Avoid paying large sums upfront; instead, tie payments to the completion of specific phases.
• Dispute Resolution: The contract should specify how disagreements will be handled, whether through litigation, mediation, or arbitration.

Consult with a Construction Attorney

Before you put pen to paper, have a legal professional review the document. A construction attorney can identify “red flag” clauses, such as “pay-when-paid” terms or unfair indemnity shifts, which are common in standard contractor-provided agreements.

John Caravella Esq., is a construction attorney and formerly practicing project architect at The Law Office of John Caravella, P.C., representing architects, engineers, contractors, subcontractors, and owners in all phases of contract preparation, litigation, and arbitration across New York and Florida. He also serves as an arbitrator to the American Arbitration Association Construction Industry Panel. Mr. Caravella can be reached by email: John@LIConstructionLaw.com or (631) 608-1346.

The information provided on this website does not, and is not intended to, constitute legal advice; instead, all information, content, and materials available on this site are for general informational purposes only.  Readers of this website should contact their attorney to obtain advice with respect to any particular legal matter.  No reader, user, or browser of this site should act or refrain from acting on the basis of information on this site without first seeking legal advice from counsel in the relevant jurisdiction.  Only your individual attorney can provide assurances that the information contained herein – and your interpretation of it – is applicable or appropriate to your particular situation.  Use of, and access to, this website or any of the links or resources contained within the site do not create an attorney-client relationship between the reader, user, or browser and website authors, contributors, contributing law firms, or committee members and their respective employers.

References

• The Law Offices of John Caravella, P.C. (2025, July 21). Top 5 tips for New York residential contractors. https://www.liconstructionlaw.com/construction/residentialcontractortips/
• The Law Offices of John Caravella, P.C. (2026, January 23). Important considerations and contract clauses to consider. https://www.liconstructionlaw.com/construction-law/contractclauses/
• The Law Offices of John Caravella, P.C. (2026, March 2). Considerations for drafting construction contracts. https://www.liconstructionlaw.com/construction/constructioncontracts/