Contractor License Proof

M'Guinness Construction

Licensed

Verified against CSLB on · View on CSLB

License details

License number
521406
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
December 1, 1987 – December 31, 2027

Business

  • (650) 814 2330 (CSLB public record)
  • 2351 CHERRYSTONE DR, San Jose, CA 95128Santa Clara County

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Frequently asked questions

Is M'Guinness Construction licensed in California?

Yes. M'Guinness Construction holds an active California state contractor license (CSLB #521406), verified against the CSLB public record on June 17, 2026.

What is M'Guinness Construction's CSLB license number?

M'Guinness Construction's California contractor license number is 521406. 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 M'Guinness Construction licensed for?

M'Guinness Construction is classified under General Building (B) by the CSLB.

How do I verify M'Guinness Construction's license myself?

Look up license #521406 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 #521406 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.