Contractor License Proof

John Castagna

Licensed

Verified against CSLB on · View on CSLB

License details

License number
836502
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
Covered
License term on file
April 20, 2004 – April 30, 2028

Business

  • (714) 743 5712 (CSLB public record)
  • 10372 MIRA VISTA DRIVE, Santa Ana, CA 92705Orange County

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Frequently asked questions

Is John Castagna licensed in California?

Yes. John Castagna holds an active California state contractor license (CSLB #836502), verified against the CSLB public record on June 17, 2026.

What is John Castagna's CSLB license number?

John Castagna's California contractor license number is 836502. 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 John Castagna licensed for?

John Castagna is classified under General Building (B) by the CSLB.

How do I verify John Castagna's license myself?

Look up license #836502 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 #836502 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.