Stem Plumbing
Verified against CSLB on · View on CSLB
License details
- License number
- 1129528
- Status
- Active
- Classifications
- C-36 · Plumbing
- Contractor bond
- $25,000
- Workers' comp
- Exempt
- License term on file
- November 22, 2024 – November 30, 2026
Business
- (818) 447 2520 (CSLB public record)
- 20345 COHASSET ST #22, Winnetka, CA 91306Los Angeles County
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Frequently asked questions
Is Stem Plumbing licensed in California?
Yes. Stem Plumbing holds an active California state contractor license (CSLB #1129528), verified against the CSLB public record on June 17, 2026.
What is Stem Plumbing's CSLB license number?
Stem Plumbing's California contractor license number is 1129528. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1129528
What kind of work is Stem Plumbing licensed for?
Stem Plumbing is classified under Plumbing (C-36) by the CSLB.
How do I verify Stem Plumbing's license myself?
Look up license #1129528 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1129528. 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.