Backflow testing & repair in Santa Clara, CA
BackflowCare tests backflow prevention assemblies in Santa Clara (Santa Clara County) and files the results with City of Santa Clara Water & Sewer Utilities. Santa Clara requires annual testing and maintenance of backflow prevention assemblies; property owners arrange the test with a certified backflow tester. If a device fails, we make minor repairs and file the passing retest with City of Santa Clara.
- County
- Santa Clara County
- Water supplier
- City of Santa Clara Water & Sewer Utilities
- Annual test
- City of Santa Clara: owner hires a certified tester
- Our price
- $199 per device ($25 off for new customers), or from $180/year on a plan
- ZIP codes
- 95050, 95051, 95054
What City of Santa Clara requires in Santa Clara
- The Water & Sewer Utilities Compliance Division runs the cross-connection control program with the Community Development Department.
- Under the state’s 2024 Cross-Connection Control Policy Handbook, some properties that didn’t need a device before may need one now.
Source: City of Santa Clara backflow program (official page), checked October 19, 2026.
Rules for new and replacement devices in Santa Clara
- A backflow prevention device is required for irrigation or pools on a separate service or without a proper air gap, residential fire sprinklers, hazardous materials, buildings of three or more stories, and internal booster pumps.
Source: City of Santa Clara backflow program (official page).
Installing or replacing a device takes a licensed plumbing contractor, usually with a permit. We can refer you to one we trust, test the new device once it’s in, and make minor repairs to existing ones.
Backflow questions from Santa Clara property owners
Which water supplier serves Santa Clara?
City of Santa Clara Water & Sewer Utilities supplies water in Santa Clara (ZIP 95050, 95051, 95054) and runs its backflow program.
Who tests backflow devices for City of Santa Clara customers in Santa Clara?
Santa Clara requires annual testing and maintenance of backflow prevention assemblies; property owners arrange the test with a certified backflow tester.