Free Invoice Template for Plumbing Contractors

Professional invoice template for fixture installs, water heater work, leak repair, drain calls, rough-in plumbing, and remodel plumbing. Includes trade-specific line items, payment terms, and a filled-out example you can adapt for customer work.

Google Sheets Template

Fully editable spreadsheet template

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What's Included in Your Plumbing Contractors Invoice Template

Our comprehensive invoice template covers every aspect of plumbing contractors billing to help you get paid faster and look more professional.

Invoice Header

  • Company branding area
  • Client information
  • Project details
  • Invoice number & date
  • Payment terms

Line Items

  • Materials with quantities
  • Labor hours and rates
  • Equipment rental costs
  • Permit and inspection fees
  • Additional services

Payment Section

  • Subtotal calculations
  • Tax calculations
  • Total amount due
  • Payment instructions
  • Late fee policy

Benefits to Using a Template

Professional templates streamline your workflow and help you focus on what matters most: growing your business and serving your clients.

  • Save hours of time by not starting from scratch on every project
  • Reduce errors and inconsistencies in your estimates and invoices
  • Keep client communication clear and professional
  • Run a more profitable business with confidence and efficiency

Recommended Line Items for Plumbing Contractors

Make sure your invoices include these common items to avoid missing costs and ensure accurate pricing:

Service call / diagnosis
Labor - repair or installation
Fixtures, valves, fittings, and supply lines
Pipe, drains, and connection materials
Water heater or equipment
Permit fee (if required)
Disposal of old fixture or heater
Emergency/after-hours premium
Deposit or progress payment
Less: Deposit applied

Common Invoice Mistakes to Avoid

Don't make these common errors that can cost you money or damage client relationships:

Not billing for diagnosis time
Forgetting disposal for old fixtures or water heaters
Leaving out shutoff valves, supply lines, or fittings
Not noting access limitations or wall repair exclusions
Forgetting permit fees on water heater work
Not documenting emergency or after-hours rates
Missing additional work discovered after opening walls

Example Plumbing Contractors Invoice

Here's a sample invoice to give you an idea of how to structure your own:

Water Heater Replacement - Final Invoice

Water heater replacement per estimate #P-441$2,035.00
Additional: Expansion tank replacement$185.00
Subtotal$2,220.00
Less: Deposit received-$650.00
Balance Due$1,570.00

*This is a sample invoice for illustration purposes. Actual amounts vary by project.

Free Templates vs. Dave

See how our free spreadsheet templates compare to Dave's full-featured contractor management platform.

Feature
Free Google Sheets Template
Dave
Flexible estimate & invoice editing
Printable formats
Integrated email sending for estimates & invoices
Track estimate status from viewed to accepted
Turn an estimate into an invoice
Contracts & agreements with digital signatures
Send review requests with job photos by text & email in seconds
Auto-organized with all your projects
Create and send estimates via mobile devices
Access your estimates & invoices forever on the cloud
Invoice integration with Quickbooks
Pricebook for your most common line items

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Free Plumbing Invoice Template | Plumber Invoices