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Guide · Invoices

Construction invoicing for small contractors

Most residential jobs need a clear invoice and an easy way to pay. Commercial subcontracting is a different animal.

Published November 4, 2026 · by Settle

Quick answer

If you work directly for homeowners, you need a clear invoice with line items, your license number and a pay link, plus progress invoices on longer jobs. Most invoice apps do that. If you subcontract to general contractors on commercial work, they'll often require pay applications in the AIA G702/G703 format, with a schedule of values, percent complete, change orders and retainage. That needs construction accounting or project software, not a simple invoice app.

Which kind of billing do you do?

Residential, billing the ownerCommercial, billing a GC
DocumentInvoice with line itemsPay application (often AIA G702 + G703 continuation sheet)
How the amount is setThe approved estimate, plus change ordersSchedule of values × percent complete each period
RetainageRareCommon; a percentage held back until the job closes out
Lien waiversSometimes, on bigger jobsUsually with every payment
How you get paidCard or bank via a pay link, or checkCheck or ACH on the GC's pay cycle
Software that fitsAn estimate and invoice appConstruction accounting or project management software with pay-app support

What a residential construction invoice needs

  • Your business name, contact details and license number. See where you have to show your license number.
  • The job address and a reference to the approved estimate.
  • Line items for labor and materials, and any change orders as their own lines.
  • What's already been paid (deposit or earlier progress payments) and the balance due.
  • Payment terms and an easy way to pay. See invoice payment terms.

Signs you've outgrown a simple invoice app

  • A GC sends you a schedule of values and asks for monthly pay apps.
  • Contracts hold back retainage you need to track until closeout.
  • Every payment needs a conditional and unconditional lien waiver.
  • You need job costing across several crews and many open jobs.

Where Settle fits

Settle is for solo contractors billing homeowners from an iPhone: describe the job, send the estimate, turn it into an invoice, and get paid by card or bank to your own Stripe account. It doesn't produce AIA pay applications, track retainage, or generate lien waivers. If your work is mostly commercial subcontracting, use software built for that.

What is an AIA G702 and G703?

Standard forms from the American Institute of Architects for construction pay applications. The G702 summarizes the payment requested; the G703 continuation sheet breaks it down by line of the schedule of values with percent complete and retainage.

Do residential contractors need AIA billing?

Rarely. Homeowners usually get a regular invoice tied to the approved estimate, with progress invoices on longer jobs.

What is retainage?

A portion of each payment, set by the contract, that the owner or GC holds back until the job is finished and closed out.

General information, not legal or accounting advice.

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