Backflow testing
5 guides for backflow testing, plus 3 free tools. Start with the calculators, then the pricing guide and invoice template — the two pages most operators come back to.
Free tools
Backflow test pricing calculator
Pick the assembly size, the device count, and the access. Get a per-visit test price range — no signup, no email.
Open the tool → Startup cost calculatorBuild your backflow testing startup budget
Pick a budget tier, edit any price to match your market, and see your real startup cost, monthly overhead, and how many tests it takes to break even. No signup, no email.
Open the tool → Text message scriptsText & email scripts for backflow testing
Pick a situation, fill in the details, and copy a ready-to-send message. No-shows, deposits, confirmations, late payments, and reviews — covered.
Open the tool →Start here
How Much to Charge for Backflow Testing
Per-device test rates by assembly size, site minimums, repair labor and parts, retest policy, filing fees, and how to price a route so small residential devices still pay.
Invoice templateBackflow Test Invoice Template
What belongs on a backflow test invoice — device details, per-assembly test lines, repair parts, labor, retests, and water authority data.
Software & apps
- Backflow Testing Invoicing App (2026)
Five tools compared for backflow testers — real prices, per-device billing, retests, repairs, and managing annual test routes without drops.