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Invoice Generator for Plumbers
Plumbing invoices should show the call-out fee separately from labour — customers accept diagnostic charges far more readily when they are itemised.
How plumbers should structure their invoices
- Call-out and diagnostic fees are legitimate and should never be absorbed into the hourly rate.
- Warranty terms on parts vs. labour usually differ; state both on the invoice.
- For insurance jobs, include the claim number and the adjuster reference.
The invoice above already contains the line items most plumbers bill for. Adjust the rates to your own, delete what does not apply, and add anything specific to your engagement.
What a plumber invoice must include
- A unique, sequential invoice number — never reuse or skip numbers.
- Your business name and address, plus your tax or registration number if you have one.
- The client's name and address, and a purchase order reference if they use one.
- Each service on its own line with quantity and rate, so the total is auditable.
- Tax shown separately with the rate, and the total clearly stated.
- Payment terms and the due date — not only in your contract.
Plumbers invoicing questions
Should I charge for estimates?
Free estimates for planned work, paid diagnostic for emergency call-outs. State the policy before dispatch, not after.
How do I bill after-hours work?
As a separate line with the multiplier shown (e.g. "After-hours rate ×1.5"). Transparent multipliers reduce disputes to near zero.
Do I need to list part numbers?
Yes for anything over $50. It supports warranty claims and prevents "that was already broken" arguments.