National Chimney, C-20 HVAC Contractor in San Francisco, CA
National Chimney operating as a sole owner holds an active California contractor license (CSLB #733653), valid through Apr 30, 2028. First issued in 1997, the license has been on the CSLB roster for 29 years. 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(mutual) and a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active.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.
- License Number
- 733653
- Issued
- Mar 14, 1997
- Status
- CLEAR
- Expires
- Apr 30, 2028
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 100433133
- Effective
- May 7, 2024
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Clear Spring Property and Casualty Company
- Policy Number
- CWC03112101
- Effective
- Jun 1, 2025
- Expires
- Jun 1, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is National Chimney licensed in California?
Yes. National Chimney holds California Contractors State License Board license number 733653, which is active and in good standing. 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Chimney has a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active.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.
- License issuedMar 14, 1997
- Bond activeMay 7, 2024
- WC coverage startsJun 1, 2025
- WC expiredJun 1, 2026
- License expiresApr 30, 2028
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