Public CSLB records

Blackrock Concrete, C-8 Concrete Contractor in San Francisco, CA

License #1096012·Corporation·San Francisco, San Francisco County
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Summary

Blackrock Concrete operating as a corporation holds an active California contractor license (CSLB #1096012), valid through Aug 31, 2026. First issued in 2022, the license has been on the CSLB roster for 4 years. It carries a single CSLB classification: C-8 — Concrete Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and a previously-filed workers' compensation policy with Zurich American Insurance Company that is no longer active. The business is based in San Francisco, in San Francisco County, California.

Business Information
Address
885 Folsom St
San Francisco, CA 94107
License Details & Classifications
License Number
1096012
Issued
Aug 31, 2022
Status
CLEAR
Expires
Aug 31, 2026
Entity
Corporation
Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
CA5956062
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Zurich American Insurance Company
Policy Number
3120810
Effective
Jul 1, 2025
Expires
Jul 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 Blackrock Concrete licensed in California?

Yes. Blackrock Concrete holds California Contractors State License Board license number 1096012, which is active and in good standing. The license was first issued on August 31, 2022. It is valid through August 31, 2026.

What does Blackrock Concrete specialize in?

Blackrock Concrete is licensed for one CSLB classification: C-8 Concrete Contractor.

Where is Blackrock Concrete headquartered?

Blackrock Concrete is headquartered at 885 Folsom St, San Francisco, CA 94107, in San Francisco County, California.

Does Blackrock Concrete have an active surety bond on file with CSLB?

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

Does Blackrock Concrete carry workers' compensation coverage?

Blackrock Concrete has a previously-filed workers' compensation policy with Zurich American Insurance Company that is no longer active.

How do I verify Blackrock Concrete's contractor license?

You can verify Blackrock Concrete's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1096012.

Activity Timeline
  1. License issuedAug 31, 2022
  2. Bond activeJan 1, 2023
  3. WC coverage startsJul 1, 2025
  4. WC expiredJul 1, 2026
  5. License expiresAug 31, 2026
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California lien & payment resources

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