Backflow Base / Every state / California / Oakland
Backflow testing software for Oakland, California.
For testing companies working Oakland's 443,554 people: booking, routes, the field test, and the report to the water system.
Water systems based in Oakland
- East Bay MUD1,468,000 people served
- Alameda Point600 people served
- Brand Water Company112 people served
- Point Cabrillo Highlands42 people served
- Camp Loma Mar25 people served
Households near Oakland may be served by another system; Backflow Base matches each address to its own. All 2,783 in California →
Water systems: EPA SDWIS, active community systems, 2026-10-19. Population: Census Bureau 2024 estimates.
Testing companies in Oakland
76 companies on the tester lists of 1 water system. The first 25:
- $125 Backflow Testing
- A & J Construction
- A&B Backflow Prev Services
- AAA Backflow Prev Services
- ABC Testing, Inc
- Above All Plumbing
- ACE Backflow
- Al's Backflow Service
- Alameda Backflow Testing
- Aliance Backflow Services
- All Pro Backflow, Inc.
- Amable Plbg. & Htg. Co.
- American Backflow
- Animo Water
- AWHS, Inc.
- B & B Plbg & Installations
- Backflow Team, LLC
- Backflow Testing & Repair
- Bay And Valley Backflow
- Bay Area Backfflow Svc.
- Bay Area Backflow, Inc.
- Beasley Plumbing
- BG Backflow Services
- Blue Wrench Plumbing
- Bustos Plumbing
From East Bay Municipal Utility District (dated March 3, 2025). Checked October 19, 2026. A list shows who may test, not who is good; ask the water system for its current list.
Other California cities
- Los Angeles →3,878,704 people
- San Diego →1,404,452 people
- San Jose →997,368 people
- San Francisco →827,526 people
- Fresno →550,105 people
- Sacramento →535,798 people
- Long Beach →450,901 people
- Bakersfield →417,468 people
- Anaheim →344,561 people
- Stockton →324,975 people
- Riverside →323,757 people
- Irvine →318,683 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.