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Location and Projects

Address
885 FOLSOM ST, San Francisco, CA, 94107
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Blackrock Concrete

Blackrock Concrete, 885 Folsom St, San Francisco, CA (Employees: Miguel Guzman, Miguel Guzman, and Timothy Joseph Mino) holds a Concrete license according to the California license board.

Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring Blackrock Concrete, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

Blackrock Concrete Contact Information

Phone: (415) 821-2522 Edit
Address: 885 FOLSOM ST, San Francisco, CA 94107 Edit

Blackrock Concrete San Francisco

Quality

93
73rd percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Blackrock Concrete has a BuildZoom score of 93, which places them above 73% of 336,931 contractors in California.

Activity

1 project
2025
Our building permit records indicate that Blackrock Concrete has worked on at least 1.0 project over the past year.

This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.

Pricing

1 project
$50k-$100k
Value Not Public: 0 projects
Pro tip: For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.

Building Permits by Blackrock Concrete

Sort by: Notable Notable | Date Date | Job Value Job Value
Remove and replace fence and benches from chanlink to wood new concrete
Valuation:
$65,000
Permit #:
202308104194
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
45 - school

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