Licensed backflow testing and repair.
Backflow devices are named in our company for a reason.
A backflow device keeps contaminated water from siphoning back into your clean water supply. Most cities and counties require these devices to be tested on a schedule, and we handle that testing along with repair and installation.
We also file the certification paperwork your city or county requires, so you are not stuck chasing forms after the test is done.
What we cover
- Annual backflow testing
- Device repair and installation
- City or county certification paperwork
- Residential devices
- Commercial devices
- New device installation


Common questions
Do you handle backflow certification paperwork with the city?+
Yes. We test and certify backflow devices and can file the paperwork your city or county requires.
Are you licensed?+
Yes. R&J Plumbing and Backflow Services is a licensed plumbing contractor, license CFC1429030. Ask to see it when we arrive, we are glad to show you.
Do you handle commercial properties?+
Commercial is one of our specialties. We work with banks, hospitals, office buildings, and standalone retail, along with residential homes.