Cal-Oso Backflow Services Llc
Cal-Oso Backflow Services Llc is an active, licensed contractor operating in Menifee, CA. Operating under a California contractor license established in 2023. They hold 3 license classifications including C-34 Pipeline Contractor, C-36 Plumbing Contractor, and 1 others. They currently maintain an active contractor bond and a workers' compensation exemption. No disciplinary actions have been recorded against this license.
License Information
- License Number
- 1109590
- Status
- Active
- Classification(s)
- C-34: Pipeline Contractor, C-36: Plumbing Contractor, D64: Non-Specialized
- Tenure
- Licensed since 2023 (2 years)
- Issue Date
- September 01, 2023
- Expiration Date
- September 30, 2027
- Disciplinary Record
- No Disciplinary Actions
Bond & Insurance
- Contractor Bond
- Bonded ($25000) – OHIO CASUALTY INSURANCE COMPANY (THE)
- Workers’ Compensation
- Exempt
A contractor’s bond protects consumers up to the bond amount if the contractor fails to fulfill contractual obligations or violates CSLB regulations.
Workers’ compensation insurance protects homeowners from liability if a contractor’s employee is injured on the job site.
Location
- Address
- 29284 LAKE HILLS DR
- City
- Menifee, CA
- ZIP Code
- 92585
- Phone
- (951) 434-4756
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About These License Types
C-34: Pipeline Contractor
Fabricates and installs pipelines for conveyance of fluids such as water, gas, or petroleum, including protective coatings and the trenching, boring, shoring, backfilling, compacting, paving, and surfacing to complete installation.
C-36: Plumbing Contractor
Provides means for a supply of safe water and proper disposal of fluid waste, including piping, storage tanks, venting, gas appliances and connections, water and gas piping, water heating equipment including solar, and health and safety devices such as backflow preventers and gas earthquake valves.
Not authorized: Does not include forced warm-air units (see C-20).
D64: Non-Specialized
A general limited specialty designation for work not covered by any other D subcategory.
Licensing Resources
What does a workers' comp exemption mean?
Deposit and payment rules for California contracts
Home improvement contract requirements
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License data sourced from the California Contractors State License Board. Last data update: April 05, 2026.