Contractor License Proof

Sincere Construction Company Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
557739
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
Covered
License term on file
February 21, 1989 – April 30, 2027

Business

  • (415) 806 3680 (CSLB public record)
  • PO BOX 298, Brisbane, CA 94005San Mateo County

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Frequently asked questions

Is Sincere Construction Company Inc licensed in California?

Yes. Sincere Construction Company Inc holds an active California state contractor license (CSLB #557739), verified against the CSLB public record on June 17, 2026.

What is Sincere Construction Company Inc's CSLB license number?

Sincere Construction Company Inc's California contractor license number is 557739. 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 Sincere Construction Company Inc licensed for?

Sincere Construction Company Inc is classified under General Building (B) by the CSLB.

How do I verify Sincere Construction Company Inc's license myself?

Look up license #557739 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 #557739 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.