Public CSLB records

National Chimney

License #733653·Sole Owner·San Francisco, San Francisco County
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Summary

National Chimney operating as a sole owner is licensed in California under CSLB number 733653. The license was first issued in 1997, putting the business at 29 years on the active CSLB roster. It carries 2 CSLB classifications: C-20 HVAC Contractor and C-29 Masonry Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active. The business is based in San Francisco, in San Francisco County, California.

Business Information
Address
1230 Wayland Street
San Francisco, CA 94134
License Details & Classifications
License Number
733653
Issued
Mar 14, 1997
Status
CLEAR
Expires
Apr 30, 2028
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
100433133
Effective
May 7, 2024
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Clear Spring Property and Casualty Company
Policy Number
CWC03112101
Effective
Jun 1, 2025
Expires
Jun 1, 2026
Alert

This contractor has a compliance issue in its public CSLB record:

  • No active workers' comp on file
License StatusActive
Contractor BondOn file
Workers' CompensationInactive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is National Chimney licensed in California?

Yes. National Chimney holds California Contractors State License Board license number 733653. The license was first issued on March 14, 1997. It is valid through April 30, 2028.

What does National Chimney specialize in?

National Chimney is licensed for 2 CSLB classifications: C-20 HVAC Contractor and C-29 Masonry Contractor.

Where is National Chimney headquartered?

National Chimney is headquartered at 1230 Wayland Street, San Francisco, CA 94134, in San Francisco County, California.

Does National Chimney have an active surety bond on file with CSLB?

Yes. National Chimney has an active California contractor surety bond filed with Merchants Bonding Company (mutual).

Does National Chimney carry workers' compensation coverage?

National Chimney has a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active.

How do I verify National Chimney's contractor license?

You can verify National Chimney's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=733653.

Activity Timeline
  1. License issuedMar 14, 1997
  2. Bond activeMay 7, 2024
  3. WC coverage startsJun 1, 2025
  4. WC expiredJun 1, 2026
  5. License expiresApr 30, 2028
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