Free Plumbing Invoice Template for Colorado 2026

Free plumbing invoice template for Colorado contractors. State sales tax rate, Colorado contractor license field, mechanics lien deadlines, and Plumbing-specific line items. Download in Word, Excel, Google Docs, Google Sheets, and PDF.

Built for Colorado Plumbing contractors

This plumbing invoice template is pre-filled with Colorado's actual sales tax rate (2.9% + local (~7.8% combined avg)), contractor license fields specific to Colorado, the Colorado mechanics lien deadline (4 months from last work (2 months for residential)), and Plumbing-specific line items. Download in Word, Excel, Google Docs, Google Sheets, or PDF.

Colorado sales tax rules for Plumbing contractors

Combined rate: 2.9% + local (~7.8% combined avg).

Construction labor tax: Real property labor exempt. 70+ home-rule cities administer their own tax separately from state.

Colorado-specific rule: Most complex sales tax structure in US. 70+ home-rule cities each administer their own tax. No statewide general contractor license, but most cities require one.

For the latest filing requirements, check the Colorado Department of Revenue. The KaamCam invoice template uses 2.9% as the default rate; adjust for your local jurisdiction.

Colorado mechanics lien deadlines

General deadline: 4 months from last work (2 months for residential).

Preliminary notice: Notice of intent to file lien served 10 days before recording.

The invoice template includes a lien deadline reminder so you don't lose collection rights. Always verify with a Colorado attorney before filing.

Colorado Plumbing contractor licensing

No statewide Plumbing contractor license, but most cities and counties require one. Trade-specific (plumbing, electrical, HVAC) often require state license. Board reference: No statewide GC license; municipal/county requirements apply (Denver, Boulder, Aurora, Colorado Springs).

What every Colorado Plumbing invoice should include

  • Business name + Colorado contractor license number
  • Invoice number + issue date
  • Client name + service address (lien rights attach to address)
  • Line items with description, quantity, unit price
  • Colorado sales tax at 2.9% (adjust for local)
  • Labor noted as exempt per Colorado rules
  • Payment terms (Net 15, Net 30, or due on receipt)
  • Mechanics lien deadline notice: 4 months from last work (2 months for residential)
  • Signature line for client acceptance

Colorado Plumbing Invoice Template vs KaamCam

A static template gets you one document. KaamCam stores your Colorado sales tax rate, contractor license number, warranty terms, and Plumbing-specific line items once. Every new invoice auto-applies the right rule. Build a new invoice in under 2 minutes from the truck or the office. Digital signatures included. $12 per seat per month. Start a 14-day free trial.

Related Colorado Plumbing resources