Contractor License Proof

Mast Duane

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1117211
Status
Active
Classifications
C-36 · Plumbing
Contractor bond
$25,000
Workers' comp
Exempt
License term on file
February 27, 2024 – February 29, 2028

Business

  • (209) 400 4396 (CSLB public record)
  • 3670 MOUNTAIN RANCH RD, San Andreas, CA 95249Calaveras County

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Frequently asked questions

Is Mast Duane licensed in California?

Yes. Mast Duane holds an active California state contractor license (CSLB #1117211), verified against the CSLB public record on June 17, 2026.

What is Mast Duane's CSLB license number?

Mast Duane's California contractor license number is 1117211. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1117211

What kind of work is Mast Duane licensed for?

Mast Duane is classified under Plumbing (C-36) by the CSLB.

How do I verify Mast Duane's license myself?

Look up license #1117211 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1117211. 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.