Top 6 Backflow Testing in San Francisco, CA
Quick Answer
The best backflow testing providers in San Francisco, CA for 2026 include Advanced Plumbing & Drain (4.9), Magic Plumbing Heating & Cooling (4.9), Ace Plumbing & Rooter, Inc. (4.9).
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AAA Backflow Testing LLC
3450 Sacramento St #357, San Francisco, CA 94118, USA
Licensed & InsuredTop Rated
Services: Backflow Testing
2
1 Backflow Plumbing
5635 Anza St #3, San Francisco, CA 94121, USA
Licensed & InsuredTop Rated
Services: Backflow Testing
3
ACME Bay Area Backflow
1043 Serpentine Ln STE F, Pleasanton, CA 94566, USA
Licensed & InsuredTop Rated
Services: Backflow Testing
Sponsored
4
C&L Plumbing Inc
1516 Moraga St, San Francisco, CA 94122, USA
Licensed & Insured
Services: Backflow Testing
5
Flow Masters Plumbing, Drain and Water Heater
6169 Mission St, Daly City, CA 94014, USA
Licensed & Insured
Services: Backflow Testing
6
Ace Plumbing & Rooter, Inc.
1090 Bryant St, San Francisco, CA 94103, USA
Services: Backflow Testing
How We Ranked These San Francisco Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the San Francisco market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
How much does backflow testing cost in San Francisco?
Pricing varies by scope. Request 2-3 local quotes for accurate pricing.
Who is the best backflow testing service in San Francisco?
Top-rated providers in San Francisco include Advanced Plumbing & Drain (4.9), Magic Plumbing Heating & Cooling (4.9), Ace Plumbing & Rooter, Inc. (4.9).
Is backflow testing available today in San Francisco?
Most top providers offer same-day or next-day service. Call for availability.