Contractor License Proof

Stem Plumbing

Licensed

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, 2024November 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.