Cal-Oso Backflow Services

Backflow Prevention Assembly

Testing, Repair, and

New Installation

License #1109590

Testing and Certification

Get certified backflow prevention assembly, testing and repair services in Riverside, San Bernardino, and San Diego Counties. We provide quality and reliable certified backflow testing services.

Assembly Repairs

We have the knowledge and expertise to repair your backflow assembly. If you have a failed inspection, contact us for further information on repair or replacement.

Backflow Security

We install security cages in order to protect your backflow device from theft and vandalism. Have peace of mind knowing that your backflow device will be secure by having a cage installed today.

New Installation

We have the knowledge and ability to install any backflow prevention assembly device. We have over 6 years of experience with water utilities. Protect your water system by having a backflow prevention assembly device installed today.

Backflow Valves

We can repair/replace any leaking or damaged valve to your backflow device.

Backflow Rental

Daily, Weekly, and Monthly Rentals.

Supplies for Sale

We carry a limited supply of inventory for weekend and after-hour emergencies.

Ready To Service Your Backflow?

Contact Us For A Free Quote