Construction Invoice: Billing for Building Projects

Construction invoicing has unique requirements that set it apart from standard service invoicing. Progress billing, retention, change orders, and material costs all need to be tracked and documented accurately. Whether you are a general contractor, subcontractor, or independent tradesperson, this guide explains how to create professional construction invoices that cover all the essentials.

A construction invoice typically includes the project name and address, the contract or purchase order number, a breakdown of work completed during the billing period, the percentage of completion for each line item, material costs with quantities and unit prices, labor costs, any approved change orders, retention amounts withheld, previous payments received, and the current amount due. For larger projects, progress billing is standard practice, where you invoice periodically based on the percentage of work completed rather than at project completion.

Retention is a common practice in construction where the client withholds a percentage of each payment, typically five to ten percent, until the project is fully completed. Your invoice should clearly show the retention amount deducted and the running total of retention held. Once the project reaches substantial completion, you submit a final invoice that includes the release of all retained funds. Clear documentation of retention on every invoice prevents disputes at project closeout.

For subcontractors and independent tradespeople working on smaller projects, a simpler invoice format may suffice. Include a description of the work performed, hours worked if billing by time, materials used with costs, and the total amount due. Always reference the original quote or estimate so the client can easily verify the charges against the agreed scope.

EasyInvoice helps contractors and tradespeople create professional invoices quickly. Track time spent on each project, add material line items, calculate taxes automatically, and generate clean PDF invoices from your iPhone, iPad, or Mac. With recurring invoice support and payment tracking, you can stay on top of your billing across multiple active projects.