Contractor License Proof

The Duct Doctor Inc

Licensed

Verified against CSLB on August 4, 2026 · View on CSLB

License details

License number: 1104520
Status: Active
Classifications: C-20 · Warm-Air Heating, Ventilating and Air-Conditioning
Contractor bond: $25,000
Workers' comp: Covered
License term on file: May 9, 2023 – May 31, 2027

Business

(707) 490 2722 (CSLB public record)
720 BLOSSOM WAY, Santa Rosa, CA 95401Sonoma County

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Frequently asked questions

Is The Duct Doctor Inc licensed in California?

Yes. The Duct Doctor Inc holds an active California state contractor license (CSLB #1104520), verified against the CSLB public record on August 4, 2026.

What is The Duct Doctor Inc's CSLB license number?

The Duct Doctor Inc's California contractor license number is 1104520. 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 The Duct Doctor Inc licensed for?

The Duct Doctor Inc is classified under Warm-Air Heating, Ventilating and Air-Conditioning (C-20) by the CSLB.

How do I verify The Duct Doctor Inc's license myself?

Look up license #1104520 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 August 4, 2026.

Verify it yourself: How to verify a California contractor license · Look up #1104520 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.