How to Pursue Unpaid Construction Fees in New York

Reviewed September 7, 2026.

When a construction invoice remains unpaid, start by identifying what is due, why payment is being withheld and which rights may expire while the parties negotiate. Recovery options depend on the project, contract and claimant’s role.

Assemble the claim

Gather the agreement, amendments, invoices, proof of delivery, change authorizations, payment history and relevant correspondence. Separate the original balance, approved extras, disputed extras and retainage. A written agreement is valuable evidence and may be legally required for the transaction; the absence of a signed contract does not produce the same result in every case. Licensing and statutory writing requirements can substantially affect recovery.

Preserve security and statutory rights

Evaluate whether the work qualifies for a mechanic’s lien. Private-improvement and public-improvement liens protect different interests and have different filing and service requirements. Calculate the applicable deadlines from the actual project facts and review extensions or enforcement steps after filing.

Request a copy of any payment bond. Not every project has one, and claimant eligibility, notice requirements and suit deadlines vary. Possible construction trust claims require an examination of project funds and statutory requirements; a past-due invoice alone does not prove diversion.

Select the appropriate recovery process

A documented demand and focused negotiation may resolve a billing or performance disagreement. Assess asserted defects, offsets and proof of the work while preserving deadlines. Review any required mediation or arbitration process and applicable law before filing a lawsuit. Contract, lien, bond and trust claims should be coordinated because they do not share one universal timetable.

Consider the debtor’s financial condition and realistic collection costs as part of the strategy. Involve counsel early when a deadline, insolvency concern or threatened default makes delay costly. Do not assume that sending a demand, continuing discussions or filing a lien automatically secures payment.

Kushnick Pallaci PLLC assists clients throughout New York with collection of unpaid construction invoices. Contact 631-752-7100 or vtp@kushnicklaw.com.

Attorney Advertising. General information, not legal advice.