Contractor License Proof

S F Underground

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1015543
Status
Active
Classifications
A · General Engineering
Contractor bond
$25,000
Workers' comp
Covered
License term on file
June 28, 2016 – June 30, 2028

Business

  • (415) 216 3241 (CSLB public record)
  • 50 URBANO DRIVE, San Francisco, CA 94127San Francisco County

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What to check next

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Frequently asked questions

Is S F Underground licensed in California?

Yes. S F Underground holds an active California state contractor license (CSLB #1015543), verified against the CSLB public record on June 17, 2026.

What is S F Underground's CSLB license number?

S F Underground's California contractor license number is 1015543. 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 S F Underground licensed for?

S F Underground is classified under General Engineering (A) by the CSLB.

How do I verify S F Underground's license myself?

Look up license #1015543 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 #1015543 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.