California contractor license
CAL-OSO BACKFLOW SERVICES LLC
- C34 Pipeline
- C36 Plumbing
- C-61 / D64 Backflow Test Installation & Repair
CAL-OSO BACKFLOW SERVICES LLC is a C34 Pipeline, C36 Plumbing and C-61 / D64 Backflow Test Installation & Repair contractor in Menifee, Riverside County, licensed in California for 3 years (since 2023). As of Aug 19, 2025, the license is active with an expiration date of Sep 30, 2027 on record and a license bond is on file.
CAL-OSO BACKFLOW SERVICES LLCC34 Pipeline · C36 Plumbing · C-61 / D64 Backflow Test Installation & Repair · checked Aug 19, 2025
ActiveLicense number#1109590
Licensed sinceSep 1, 2023
Years licensed3 years
Expiration on recordSep 30, 2027
City and countyMenifee, Riverside County
License bondOn file
ProjectsNone on file
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Aug 19, 2025.