Winston's Plumbing
Winston's Plumbing operating as a sole owner is licensed in California under CSLB number 537739. The license was first issued in 1988, putting the business at 38 years on the active CSLB roster. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with North River Insurance Company (the) and active workers' compensation coverage from State Compensation Insurance Fund. The business is based in Oakland, in Alameda County, California.
- License Number
- 537739
- Issued
- Aug 9, 1988
- Status
- CLEAR
- Expires
- Aug 31, 2026
- Entity
- Sole Owner
- Surety
- North River Insurance Company (the)
- Bond Number
- 04CF646169
- Effective
- Aug 28, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- State Compensation Insurance Fund
- Policy Number
- 9280542
- Effective
- Jul 22, 2020
- Expires
- Jul 22, 2026
This contractor warrants a closer look before contracting:
- License expires in 83 days
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Winston's Plumbing licensed in California?
Yes. Winston's Plumbing holds California Contractors State License Board license number 537739. The license was first issued on August 9, 1988. It is valid through August 31, 2026.
What does Winston's Plumbing specialize in?
Winston's Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Winston's Plumbing headquartered?
Winston's Plumbing is headquartered at 411 43rd Street, Oakland, CA 94609, in Alameda County, California.
Does Winston's Plumbing have an active surety bond on file with CSLB?
Yes. Winston's Plumbing has an active California contractor surety bond filed with North River Insurance Company (the).
Does Winston's Plumbing carry workers' compensation coverage?
Yes. Winston's Plumbing carries active workers' compensation coverage through State Compensation Insurance Fund.
How do I verify Winston's Plumbing's contractor license?
You can verify Winston's Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=537739.
- License issuedAug 9, 1988
- WC coverage startsJul 22, 2020
- Bond activeAug 28, 2025
- WC expiresJul 22, 2026
- License expiresAug 31, 2026
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