Backflow testing & repair in Hollister, CA
BackflowCare tests backflow prevention assemblies in Hollister (San Benito County) and files the results with City of Hollister Water. Hollister publishes a list of certified backflow testers; the property owner hires one, who reports on the City’s Backflow Prevention Assembly Test Report form. If a device fails, we make minor repairs and file the passing retest with City of Hollister.
- County
- San Benito County
- Water supplier
- City of Hollister Water
- Annual test
- City of Hollister: owner hires a certified tester
- Our price
- $199 per device ($25 off for new customers), or from $180/year on a plan
- ZIP codes
- 95023
What City of Hollister requires in Hollister
- The City’s Safe Drinking Water Program checks that backflow devices are in good operating condition.
- Test results go on the City’s Backflow Prevention Assembly Test Report form, linked from its water page.
Source: City of Hollister backflow program (official page), checked October 19, 2026.
Backflow questions from Hollister property owners
Which water supplier serves Hollister?
City of Hollister Water supplies water in Hollister (ZIP 95023) and runs its backflow program.
Who tests backflow devices for City of Hollister customers in Hollister?
Hollister publishes a list of certified backflow testers; the property owner hires one, who reports on the City’s Backflow Prevention Assembly Test Report form.