License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
Hiring this contractor?
Get alerts if their license status changes.
You're monitoring this license!
We'll email you if the license status, bond, or complaint history changes.
Something went wrong
Is this your business?
Claim your profile to manage your listing.
Claim request submitted!
We'll be in touch at the email you provided to verify your identity.
Something went wrong
BLACKROCK CONCRETE
- License Number
- 1096012
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 885 FOLSOM ST SAN FRANCISCO, CA, 94107 San Francisco County
- Phone
- (415) 821 2522
License Dates
Issued
08/31/2022
Expires
08/31/2026
Expires in 5 months — verify renewal before long contracts
CSLB Last Updated
08/25/2025
License Classifications
Personnel & Officers
MINO TIMOTHY JOSEPH
Responsible Managing Officer/Chief Executive Officer/President
GUZMAN MIGUEL
Officer
Contractor Bond
Amount: $25,000
Company: MERCHANTS BONDING COMPANY (MUTUAL)
Bond #CA5956062
Effective: 01/01/2023
Workers' Compensation
Carrier: ZURICH AMERICAN INSURANCE COMPANY
Policy #3120810
Effective: 07/01/2025
Expires: 07/01/2026
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
Building Permits
Source: LA City Open Data (LADBS)
otc alterations permit
7070 California St, 94121
remove and replace fence and benches from chanlink to wood new concrete
$65,000
2024-05-20
Verify this record on the official state licensing board
View on Contractors State License Board (CSLB) →Learn how to verify contractor licenses in California
California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
Verify Another Contractor
Homeowner Resources
Other Licensed Concrete in SAN FRANCISCO
PACIFIC STRUCTURES INC
License #926439 · CA
T T GENERAL CONSTRUCTION
License #927524 · CA
ERGEON INC
License #1040925 · CA
MOLLOY CONCRETE
License #892070 · CA
GECMS INC
License #950100 · CA