Contractor License Proof

Gardner William

Licensed

Verified against CSLB on · View on CSLB

License details

License number
603446
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
September 26, 1990 – September 30, 2026

Business

  • (650) 483 1414 (CSLB public record)
  • 3503 ORINDA DR, San Mateo, CA 94403San Mateo County

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Frequently asked questions

Is Gardner William licensed in California?

Yes. Gardner William holds an active California state contractor license (CSLB #603446), verified against the CSLB public record on June 17, 2026.

What is Gardner William's CSLB license number?

Gardner William's California contractor license number is 603446. 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 Gardner William licensed for?

Gardner William is classified under General Building (B) by the CSLB.

How do I verify Gardner William's license myself?

Look up license #603446 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 #603446 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.