Top 6 Backflow Testing in San Diego, CA
Quick Answer
Top providers: Bill Howe Plumbing, Heating & Air, Restoration & Flood Services (4.8), Anderson Plumbing, Heating & Air (4.8), Core Plumbing (4.8)
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888-392-2213 1
Pass 2 Pay Backflow
9453 Debbie Ct, El Cajon, CA 92021, USA
Licensed & InsuredTop Rated
Services: Backflow Testing
2
Certified Backflow tester
12523 Glen Oak Rd, Poway, CA 92064, USA
Licensed & InsuredTop Rated
Services: Backflow Testing
3
Mr. Backflow
3471 Camino Michelle, Carlsbad, CA 92009, USA
Licensed & InsuredTop Rated
Services: Backflow Testing
Sponsored
4
American Backflow Specialties°
2860 Market St #64, San Diego, CA 92102, USA
Licensed & Insured
Services: Backflow Testing
5
Water Wise Plumbing, Backflow & Drains
1205 N Melrose Dr Suite E, Vista, CA 92083, USA
Licensed & Insured
Services: Backflow Testing
6
One Stop Backflow Supply
9133 Chesapeake Dr, San Diego, CA 92123, USA
Services: Backflow Testing
How We Ranked These San Diego 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 Diego market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
Best backflow testing in San Diego?
Top-rated: Bill Howe Plumbing, Heating & Air, Restoration & Flood Services (4.8), Anderson Plumbing, Heating & Air (4.8), Core Plumbing (4.8).