Contractor License Proof

Duct Cleaning Services Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
946780
Status
Active
Classifications
D-64 · Non-specialized
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
May 5, 2010 – September 30, 2027

Business

  • (888) 859 3828 (CSLB public record)
  • 947 SHOAL DR, San Mateo, CA 94404San Mateo County

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How to verify a California contractor licenseRed flags when hiring a contractorLicensed vs. bonded vs. insured — what's the difference?Risks of hiring an unlicensed contractor

Frequently asked questions

Is Duct Cleaning Services Inc licensed in California?

Yes. Duct Cleaning Services Inc holds an active California state contractor license (CSLB #946780), verified against the CSLB public record on June 17, 2026.

What is Duct Cleaning Services Inc's CSLB license number?

Duct Cleaning Services Inc's California contractor license number is 946780. 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 Duct Cleaning Services Inc licensed for?

Duct Cleaning Services Inc is classified under Non-specialized (D-64) by the CSLB.

How do I verify Duct Cleaning Services Inc's license myself?

Look up license #946780 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 #946780 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.