Free Plumbing Invoice Template & Generator

What every plumbing invoice should include

A plumbing invoice has to separate labor, materials, and fees so the customer can see exactly what they paid for. Include your business name, license number, and contact info up front, then list the service address (often different from the billing address on rental and property-management jobs). Itemize labor with hours and your rate or the flat job price, then list parts separately: fittings, valves, the water heater, the wax ring, copper or PEX by length. Add a line for trip or diagnostic fees, an emergency or after-hours surcharge if it applies, and any permit or disposal costs. Note the warranty period on your workmanship and on installed equipment. Finish with an invoice number, service date, due date, and accepted payment methods so there's nothing left to ask about.

How plumbers actually price and bill

Most plumbers bill one of two ways: flat-rate per task or time-and-materials. Flat-rate (a set price for replacing a disposal, snaking a drain, swapping a faucet) is predictable for the customer and rewards you for being fast. Time-and-materials makes sense for diagnostic work, repipes, or anything where you can't see the scope until walls are open, you bill hours plus parts at your markup. Many plumbers add a standard markup on materials to cover sourcing, pickup, and stocking the truck. Charge a trip or service-call fee that covers showing up and diagnosing, and credit it toward the repair if they proceed. For after-hours, weekend, and holiday calls, set a clear emergency rate and state it before you roll, not on the invoice.

Deposits, materials, and big-ticket jobs

On larger jobs, repipes, sewer line replacement, water heater or tankless installs, don't float the cost of materials yourself. Collect a deposit or a materials draw before you order equipment, especially for special-order fixtures the customer picked. A common structure is a deposit up front, a progress payment when rough-in passes inspection, and the balance on final completion. Spell each milestone out on the invoice or estimate so there's no surprise. For permitted work, list the permit fee as a pass-through line and note that final payment is due after inspection sign-off. When you front parts, show the actual item and your markup as one clear line rather than burying it, customers accept markup when the labor and sourcing value is visible.

How to get paid faster

The fastest-paying plumbers invoice on-site, the moment the water's back on and the customer is relieved, not three days later from the office. Hand them an itemized invoice with a clear total and multiple ways to pay: card, tap-to-pay, bank transfer, or a payment link. Set short terms, due on receipt for service calls, net 15 for property managers and commercial accounts who run on cycles. Take payment before you leave residential jobs whenever you can. State your late policy plainly and apply it consistently. For repeat property-management or GC clients, agree on terms in writing so 'net 30' doesn't quietly become net 60. A specific due date beats 'payable upon receipt', it gives a deadline people act on.

Create your plumbing invoice free on this page

You can build a finished plumbing invoice right here, no signup, no software to install. Add your business name, license number, and logo, then enter the service address and a line for each task and part. The generator totals labor and materials, applies tax, and produces a clean PDF you can download or send before you leave the driveway. Save your details so the next invoice is faster, set up flat-rate line items you reuse on every call, your standard service fee, drain cleaning, faucet swap. Duplicate a past invoice for a repeat customer instead of starting over. Sequential invoice numbers and a record of every job make tax time and any warranty dispute far easier to handle later.

Should I charge a flat rate or hourly for plumbing work?

Use flat-rate for predictable, repeatable tasks like clearing a drain, replacing a disposal, or swapping a faucet, customers prefer a known price and you're rewarded for speed. Use time-and-materials for diagnostics, repipes, or hidden-scope work where you can't see the problem until you open things up. Many plumbers run flat-rate for standard calls and switch to hourly only when the job's unpredictable.

What should a plumbing invoice include?

Your business name, license number, and contact details; the service address and date; an itemized breakdown of labor (hours or flat price) and parts listed separately; any trip, diagnostic, permit, disposal, or emergency fees; tax; and the total. Add an invoice number, due date, accepted payment methods, and the warranty on your workmanship and installed equipment. Clear separation of labor and materials prevents disputes.

Should I collect a deposit before starting a plumbing job?

For small service calls, usually no, you can take payment when the work's done. For big jobs like repipes, sewer lines, or water heater installs, yes. Collect a deposit or materials draw before ordering equipment, especially special-order fixtures, so you're not financing the customer. A common structure is deposit up front, a progress payment at rough-in inspection, and the balance at completion.

How do I mark up materials and parts?

Most plumbers add a markup on parts to cover sourcing, pickup time, truck stock, and warranty exposure. Show the item and your price as one clear line rather than hiding the markup, customers accept it when they see the value. List parts separately from labor so the breakdown is transparent. Keep supplier receipts to back up your numbers, especially on commercial or insurance jobs.

How can I get customers to pay faster?

Invoice on-site the moment the job's done, while the customer's relieved the leak stopped, not days later. Offer several payment methods (card, tap-to-pay, transfer, payment link) and take payment before you leave residential calls. Set short, specific terms: due on receipt for service work, net 15 for property managers. A firm due date you enforce consistently beats a vague 'payable upon receipt'.

Do I need to put my license number on the invoice?

In most states plumbing is licensed, and listing your license number signals legitimacy and is often required on contracts, permits, and invoices. It also protects you in any dispute and reassures customers, property managers, and inspectors that the work was done by a licensed plumber. Check your state and local board's rules, requirements for what must appear on plumbing invoices and estimates vary by jurisdiction.