Block12 Construction, B General Building Contractor in San Francisco, CA
Block12 Construction operating as a corporation holds an active California contractor license (CSLB #1033146), valid through Feb 29, 2028. First issued in 2017, the license has been on the CSLB roster for 9 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with North River Insurance Company (the) and a previously-filed workers' compensation policy with Insurance Company of the West that is no longer active. The business is based in San Francisco, in San Francisco County, California.
- License Number
- 1033146
- Issued
- Nov 20, 2017
- Status
- CLEAR
- Expires
- Feb 29, 2028
- Entity
- Corporation
- Surety
- North River Insurance Company (the)
- Bond Number
- 04CF631049
- Effective
- Dec 3, 2024
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Insurance Company of the West
- Policy Number
- WTX507851501
- Effective
- Jun 20, 2025
- Expires
- Jun 20, 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 Block12 Construction licensed in California?
Yes. Block12 Construction holds California Contractors State License Board license number 1033146, which is active and in good standing. The license was first issued on November 20, 2017. It is valid through February 29, 2028.
What does Block12 Construction specialize in?
Block12 Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Block12 Construction headquartered?
Block12 Construction is headquartered at 1225 4th St #517, San Francisco, CA 94158, in San Francisco County, California.
Does Block12 Construction have an active surety bond on file with CSLB?
Yes. Block12 Construction has an active California contractor surety bond filed with North River Insurance Company (the).
Does Block12 Construction carry workers' compensation coverage?
Block12 Construction has a previously-filed workers' compensation policy with Insurance Company of the West that is no longer active.
How do I verify Block12 Construction's contractor license?
You can verify Block12 Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1033146.
- License issuedNov 20, 2017
- Bond activeDec 3, 2024
- WC coverage startsJun 20, 2025
- WC expiredJun 20, 2026
- License expiresFeb 29, 2028
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