Winston's Plumbing
Verified against CSLB on · View on CSLB
License details
- License number
- 537739
- Classifications
- License term on file
- August 9, 1988 – August 31, 2026
Business
- (510) 652 8014 (CSLB public record)
- 411 43RD STREET, Oakland, CA 94609Alameda County
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What to check next
Frequently asked questions
Is Winston's Plumbing licensed in California?
Yes. Winston's Plumbing holds an active California state contractor license (CSLB #537739), verified against the CSLB public record on June 17, 2026.
What is Winston's Plumbing's CSLB license number?
Winston's Plumbing's California contractor license number is 537739. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.
What kind of work is Winston's Plumbing licensed for?
Winston's Plumbing is classified under Plumbing (C-36) by the CSLB.
How do I verify Winston's Plumbing's license myself?
Look up license #537739 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.
Verify it yourself: How to verify a California contractor license · Look up #537739 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.