Plumbing Invoice Template (Free)
A plumbing invoice needs labor (hours or flat-rate task), parts itemized separately, and any diagnostic, trip, or after-hours fee broken out — plus the service date, property address, and payment terms. Copy the template below, or use invoicing software that builds it from the job and takes payment on-site.
What belongs on the invoice
- Business name and contact info
- Customer name and property address
- Service date
- Line items — labor (hours or flat task), parts, diagnostic/trip fee
- Subtotal, any tax, and total due
- Payment terms — due on receipt
- Payment method(s) accepted
The template
[Your Business Name]
[Address] · [Phone] · [Email]
Invoice #____ Date: __________
Bill To: [Customer Name]
Property: [Address]
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Description Amount
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Diagnostic / trip fee $______
Labor — [hours or flat task] $______
Parts / materials $______
After-hours surcharge (if applicable) $______
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Subtotal $______
Tax (if applicable) $______
Total Due $______
Payment due on receipt. Accepted: [cash / card / Venmo / etc.]
Thank you for your business!Why itemizing protects you
A split of labor, parts, and fees is what keeps a price from feeling like a mystery number. When a customer can see the diagnostic, the part, and the labor, the total reads as fair — and there’s less to argue about at the door.
Skipping the copy-paste
A blank template works, but it’s one more thing to fill in between calls. Invoicing software that has your flat-rate tasks and parts saved builds this invoice in one tap, with a payment link so you’re paid before you leave.
Frequently asked questions
Should I bill flat-rate or hourly?
Either works — flat-rate per task is cleaner for the customer and protects you on jobs that run long, while hourly suits open-ended diagnostics. The invoice should make clear which you used.
Do parts and labor need separate lines?
Yes. Separating them shows the customer what the materials cost versus your time, and it keeps your labor rate from looking inflated when a job needs an expensive part.
Should the diagnostic fee show on the invoice?
Yes, as its own line — and if you credit it toward the repair, show that credit so the customer sees they weren't double-charged.