Backflow Base / Every state / Washington / Bellevue
Backflow testing software for Bellevue, Washington.
For testing companies working Bellevue's 154,377 people: booking, routes, the field test, and the report to the water system.
Water systems based in Bellevue
- City of Bellevue321,349 people served
Households near Bellevue may be served by another system; Backflow Base matches each address to its own. All 2,301 in Washington →
Water systems: EPA SDWIS, active community systems, 2026-10-19. Population: Census Bureau 2024 estimates.
Testing companies in Bellevue
204 companies on the tester lists of 1 water system. The first 25:
- 1st Choice Testing
- 5 Star Backflow Services
- A Plus Irrigation and Landscaping, LLC
- A Woman's Touch LLC
- A-BAT
- A.R. Brown Backflow Testing
- A+ Backflow Inc
- AAA 3 Sister's Backflow Testing
- AAA Backflow Assembly
- AAA Fire Protection
- AACRA Backflow Testing
- ABC Water Specialty, Inc.
- ACCO Engineered Systems
- Ace Backflow
- ADT Commercial
- Advance Testing & Service
- Advanced Irrigation
- Affordable Backflow Testers
- Affordable Washington Backflow
- Al's Sprinkler Company
- All Phase Plumbing
- All Service Backflows
- All Temp Mechanical
- Alpha Backflow and Plumbing
- Alpine Backflow
From City of Bellevue. Checked October 19, 2026. A list shows who may test, not who is good; ask the water system for its current list.
Other Washington cities
- Seattle →780,995 people
- Spokane →230,609 people
- Tacoma →228,202 people
- Vancouver →198,992 people
- Kent →136,588 people
- Everett →113,011 people
- Spokane Valley →108,267 people
- Renton →105,543 people
- Federal Way →100,252 people
The software
- Bookings from a booking page, your own website, and an AI receptionist on your phone.
- Schedule board and route for each tester.
- Field app that scores every test, even with no signal.
- Test reports sent to the water system that serves each address.
- Card payments to your own Stripe account, and yearly renewals that charge after the test.
- Client portal for HOAs, property managers and contractors.
- $50/month flat: no per-test fee, no cut of payments.
- Every feature →What the app does, part by part.
- Compare →Next to other backflow and field-service software.
- Start free →No card. $50/month or $500/year once you go live, 45 days free.
- Free exam prep →Study questions, practice exams, device tests, a VR wet lab.