Master Plumbing
Verified against CSLB on · View on CSLB
License details
- License number
- 573292
- Status
- Active
- Classifications
- C-36 · Plumbing
- Contractor bond
- $25,000
- Workers' comp
- Exempt
- License term on file
- July 20, 1989 – July 31, 2027
Business
- (415) 606 5521 (CSLB public record)
- 2327 30TH AVENUE, San Francisco, CA 94116San Francisco County
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Frequently asked questions
Is Master Plumbing licensed in California?
Yes. Master Plumbing holds an active California state contractor license (CSLB #573292), verified against the CSLB public record on June 17, 2026.
What is Master Plumbing's CSLB license number?
Master Plumbing's California contractor license number is 573292. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=573292
What kind of work is Master Plumbing licensed for?
Master Plumbing is classified under Plumbing (C-36) by the CSLB.
How do I verify Master Plumbing's license myself?
Look up license #573292 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=573292. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.