Contractor License Proof

National Chimney

Licensed

Verified against CSLB on · View on CSLB

License details

License number
733653
Status
Active
Classifications
C-20 · Warm-Air Heating, Ventilating and Air-ConditioningC-29 · Masonry
Contractor bond
$25,000
Workers' comp
Covered
License term on file
March 14, 1997 – April 30, 2028

Business

  • (650) 787 2295 (CSLB public record)
  • 1230 WAYLAND STREET, San Francisco, CA 94134San Francisco County

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Frequently asked questions

Is National Chimney licensed in California?

Yes. National Chimney holds an active California state contractor license (CSLB #733653), verified against the CSLB public record on June 17, 2026.

What is National Chimney's CSLB license number?

National Chimney's California contractor license number is 733653. 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 National Chimney licensed for?

National Chimney is classified under Warm-Air Heating, Ventilating and Air-Conditioning (C-20) and Masonry (C-29) by the CSLB.

How do I verify National Chimney's license myself?

Look up license #733653 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 #733653 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.