C A S Plumbing, C-36 Plumbing Contractor in Cotati, CA
C A S Plumbing operating as a sole owner holds California contractor license #599381, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 1990, the license has been on the CSLB roster for 36 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Jet Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Cotati, in Sonoma County, California.
- License Number
- 599381
- Issued
- Jul 30, 1990
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Sole Owner
- Surety
- Jet Insurance Company
- Bond Number
- JT023570
- Effective
- Nov 17, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 5, 2024
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is C A S Plumbing licensed in California?
C A S Plumbing previously held California Contractors State License Board license number 599381, but the license expired on July 31, 2026 and is not currently valid. It was first issued on July 30, 1990.
What does C A S Plumbing specialize in?
C A S Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is C A S Plumbing headquartered?
C A S Plumbing is headquartered at 27 George Street, Cotati, CA 94931, in Sonoma County, California.
Does C A S Plumbing have an active surety bond on file with CSLB?
Yes. C A S Plumbing has an active California contractor surety bond filed with Jet Insurance Company.
Does C A S Plumbing carry workers' compensation coverage?
C A S Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify C A S Plumbing's contractor license?
You can verify C A S Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=599381.
- License issuedJul 30, 1990
- WC coverage startsJul 5, 2024
- Bond activeNov 17, 2025
- License expiredJul 31, 2026
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