Backflow testing & repair in Los Altos, CA
BackflowCare tests backflow prevention assemblies in Los Altos (Santa Clara County) and files the results with California Water Service – Los Altos Suburban District. Property owners are responsible for their backflow assemblies, which Cal Water requires to be inspected and tested every year by a certified backflow prevention assembly tester. If a device fails, we make minor repairs and file the passing retest with Cal Water Los Altos.
- County
- Santa Clara County
- Water supplier
- California Water Service – Los Altos Suburban District
- Annual test
- Cal Water Los Altos: owner hires a certified tester
- Our price
- $199 per device ($25 off for new customers), or from $180/year on a plan
- ZIP codes
- 94022, 94024
Rules for new and replacement devices in Los Altos
- Only approved, testable backflow prevention assemblies may be installed at the water meter.
- Air gaps must also be inspected every year.
- The assembly installed must be the type Cal Water’s local cross-connection specialist specifies.
Source: Cal Water Los Altos 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 Los Altos property owners
Which water supplier serves Los Altos?
California Water Service – Los Altos Suburban District supplies water in Los Altos (ZIP 94022, 94024) and runs its backflow program.
Who tests backflow devices for Cal Water Los Altos customers in Los Altos?
Property owners are responsible for their backflow assemblies, which Cal Water requires to be inspected and tested every year by a certified backflow prevention assembly tester.