Duarte William, C-20 HVAC Contractor in San Francisco, CA
Duarte William operating as a sole owner holds an active California contractor license (CSLB #1099006), valid through Nov 30, 2026. First issued in 2022, the license has been on the CSLB roster for 4 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with Arch Insurance Company and active workers' compensation coverage from Hartford Casualty Insurance Company. The business is based in San Francisco, in San Francisco County, California.
- License Number
- 1099006
- Issued
- Nov 22, 2022
- Status
- CLEAR
- Expires
- Nov 30, 2026
- Entity
- Sole Owner
- Surety
- Arch Insurance Company
- Bond Number
- SU71138370000
- Effective
- Nov 20, 2024
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Hartford Casualty Insurance Company
- Policy Number
- 72WECBW8A26
- Effective
- Nov 8, 2025
- Expires
- Nov 8, 2026
This contractor warrants a closer look before contracting:
- License expires in 43 days
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Duarte William licensed in California?
Yes. Duarte William holds California Contractors State License Board license number 1099006, which is active and in good standing. The license was first issued on November 22, 2022. It is valid through November 30, 2026.
What does Duarte William specialize in?
Duarte William is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Duarte William headquartered?
Duarte William is headquartered at 1748 Mission St, San Francisco, CA 94103, in San Francisco County, California.
Does Duarte William have an active surety bond on file with CSLB?
Yes. Duarte William has an active California contractor surety bond filed with Arch Insurance Company.
Does Duarte William carry workers' compensation coverage?
Yes. Duarte William carries active workers' compensation coverage through Hartford Casualty Insurance Company.
How do I verify Duarte William's contractor license?
You can verify Duarte William's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1099006.
- License issuedNov 22, 2022
- Bond activeNov 20, 2024
- WC coverage startsNov 8, 2025
- WC expiresNov 8, 2026
- License expiresNov 30, 2026
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