Free Invoice Template for Contractors
General contracting invoices require a bulletproof breakdown of material reimbursements, specialized trade labor, subcontractor fees, and formal progress draws. Clear invoicing protects your mechanics lien rights and gives property owners the transparency they need to approve disbursements quickly.
$65 – $120/hr labor or Cost-Plus 15–25%
Progress draws per phase milestone (Due upon presentation)
10% to 33% deposit prior to ordering custom materials or site mobilization
Interactive Sample Invoice for General Contractors
Exported with 300DPI vector precision, custom branding, and zero watermarks.
Callahan Premier Contracting LLC
Licensed General Contractor (#C-98421)
1840 Industrial Boulevard, Denver, CO 80216
billing@callahancontracting.com
GC-2026-DRAW3
Issue Date: 2026-07-10
Due Date: 2026-07-17
David & Rachel Miller
Residential Property Remodel
412 Willow Creek Way, Littleton, CO 80120
miller.remodel26@gmail.com
$6,359.15
| Description | Qty / Hrs | Rate | Amount |
|---|---|---|---|
Kitchen Remodel Phase 3: Drywall hanging, taping, 3-coat mudding, and Level 4 sand finish | 1 | $2,850.00 | $2,850.00 |
Licensed Subcontractor Rough-in: Electrical rough-in for 8 recessed ceiling LED cans and under-cabinet circuits | 1 | $1,950.00 | $1,950.00 |
Materials: 5/8-inch Mold-Resistant Sheetrock, corner beads, joint compound, and fasteners (Receipts attached) | 1 | $845.00 | $845.00 |
Approved Change Order #2: Additional dedicated 20A circuit for commercial espresso machine station | 1 | $420.00 | $420.00 |
Progress Draw #3 of 5. Next draw scheduled upon completion of custom hardwood cabinet installation.
Check payable to Callahan Premier Contracting LLC or Zelle/Wire to: frank@callahancontracting.com
Key Clauses to Include on a Contractor Invoice
Standard invoices leave service providers unprotected. Ensure your billing notes include these essential contract safeguards:
Lien Rights Notice
Notice: Failure of payment may subject the property to mechanics lien filing under state construction lien statutes. Conditional lien waivers provided upon check clearance.
Change Order Documentation
All labor or material modifications departing from the original project blueprint require written client authorization before execution.
Material Escalation Clause
Lumber, copper, steel, and concrete prices are billed at documented wholesale receipts plus 15% handling and storage fee.
Pro Invoicing Tips for General Contractors
Always attach receipts for cost-plus materials so the property owner can cross-reference lumber, tile, and plumbing hardware purchases.
Clearly label each progress draw number (e.g., Draw 2 of 4) to ensure the project balance remains aligned with the master contract.
Deliver conditional lien waivers alongside each invoice; this gives homeowners peace of mind and expedites payment release.
Use an offline-first app like InvoiceNexora so you can generate professional PDFs in basements or job sites with zero cell reception.
Why General Contractors Choose InvoiceNexora
Unlike apps that cut you off with a 3-invoice paywall or force you to give away 3% in processing fees, InvoiceNexora is built for independent operators:
Frequently Asked Questions: General Contractors Invoicing
How do contractors invoice for progress draws?
Progress draws should be tied to clear physical construction milestones defined in the contract (e.g., foundation poured, rough-in inspected, drywall finished), rather than arbitrary calendar dates.
What is a conditional lien waiver on a contractor invoice?
A conditional lien waiver states that the contractor waives their right to file a mechanics lien against the property condition on the check clearing the bank. It is the gold standard in construction billing.
Can contractors bill for change orders on the regular invoice?
Yes, provided the change order has a signed authorization number attached. Itemize it on a distinct line item to prevent confusion.
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