Firm Construction Company
Verified against CSLB on · View on CSLB
License details
- License number
- 652070
- License term on file
- August 11, 1992 – August 31, 2026
Business
- (650) 271 6436 (CSLB public record)
- 3718 BRUNSWICK COURT, South San Francisco, CA 94080San Mateo County
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What to check next
Frequently asked questions
Is Firm Construction Company licensed in California?
Yes. Firm Construction Company holds an active California state contractor license (CSLB #652070), verified against the CSLB public record on June 17, 2026.
What is Firm Construction Company's CSLB license number?
Firm Construction Company's California contractor license number is 652070. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.
What kind of work is Firm Construction Company licensed for?
Firm Construction Company is classified under General Building (B), Electrical (C-10), Plumbing (C-36), and Low Voltage Systems (C-7) by the CSLB.
How do I verify Firm Construction Company's license myself?
Look up license #652070 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.
Verify it yourself: How to verify a California contractor license · Look up #652070 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.