Greater Bay Fire Protection in San Francisco, CA – Reviews, Hours, and Contact Details

Testing a device attached to water heater. Located in the top floor bathroom.

Mere inches from the wall this repair was tough. We were able to get it done in a timely fashion and restore service to the customer.

2 RP's needing Relief Valve repairs, note inadequate clearance needed for testing and maintenance.

Relief valve cleaning and rubber replacement

Greater Bay Fire Protection Plumbing

5.0 5 reviews on

Licensed, Bonded, and Insured Fast, reliable Fire Protection Service and Backflow Prevention Assembly Testing, Repairs, and Replacements. Located throughout the Bay Area serving many areas and water districts. All work completed in accordance with local, state, and national codes. Services include: -Quarterly/Annual/5 year Sprinkler Inspections -Semi-Annual Dry/Wet Chemical Suppression Service -Fire Hoses inspections/replacements -Wet/Dry Standpipe Testing -Annual Backflow Prevention Assembly Testing -Backflow Prevention Assembly Repairs/Replacements

Phone: (209) 484-2718

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Fri Open 24 Hours
Sat Open 24 Hours
Sun Open 24 Hours
Mon Open 24 Hours
Tue Open 24 Hours
Wed Open 24 Hours
Thu Open 24 Hours

San Francisco, CA 94112 ·2347.35 mi

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Reviews

5.0 5 reviews

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Stuart C. 07/24/25

I've hired Greater bay Backflow annually for the past four years or so, inevitably prompted by a letter from SF Water than my annual test is due. This is for a backflow preventer on a gas boiler...

Harry W. 07/22/22

Gavin is professional, very responsive and gave me a reasonable quote. He arrived on time today and even helped us flush the pipe before actual backflow testing. The test went very smooth. I'd...

L A. 07/11/23

Professional, friendly, responsive and on time. Gavin is awesome. He does our backflow test every year. Highly recommend him.

Quality T. 08/11/22

Gavin was very quick to respond, arrived exactly on time, and he and his partner took great care of my home. I would highly recommend. I guess I will be seeing him next year!

Gennadiy B. 04/20/23

We are small family company that had project in Moos Beach and we were in need for backflow service for system we installed. We used Google search where we found about five companies in first row....

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