Field note N-101 · 2026-08-07
How to review a contractor's pay application
A pay application is not an invoice. An invoice bills you for something that happened; a pay application is a claim about how much of the project now exists — and every dollar you release against an inflated claim is leverage you hand away. On most projects the owner has a short contractual window to review and certify it, and once the money moves, recovering it is somewhere between painful and impossible.
Here is the review we run on every application, in the order that catches the most.
Start with the schedule of values
The schedule of values — the breakdown of the contract sum into line items — was negotiated once, at the start, and every pay application for the life of the job is measured against it. A front-loaded schedule (mobilization, general conditions, and early trades priced fat; finishes priced thin) means the contractor is overpaid for most of the project and your retainage is protecting less than you think. If you did not scrutinize the schedule of values before the first application, do it now, and compare each line against what the work is plausibly worth.
Walk the percentages
Each line claims a percentage complete. The only honest way to check it is to compare the claim against the work in place — on site or through your field reports, not from memory. The pattern to watch is the line that jumps from 40% to 85% in a month where you saw two crews. Small overstatements compound: 5% across twenty lines is real money.
Stored materials need paper
Billing for materials stored off-site is legitimate — with proof: bills of sale, insurance covering the materials in your name, and a storage location you or your representative can verify. Paying for materials that turn out to be an allocation in a supplier's warehouse is a classic way owners fund someone else's cash flow.
Retainage and lien releases
Confirm the retainage math is right and matches the contract — errors run one direction, and it is not yours. Then match the application against conditional and unconditional lien releases from the subcontractors on the previous payment. A general contractor who is slow producing releases from the subs they already billed you for is telling you something about where your money went.
Put the review in writing
Certify what is supportable, dispute what is not, and put the difference in a short written response inside your contractual window. A documented partial certification is normal business; silence followed by a late objection is how owners lose the argument.
This note is general guidance, not legal advice. If you want a second set of eyes on a live pay application, that is exactly what a project review is for.