Contractor License Proof

Castillo Julio Antonio

Licensed

Verified against CSLB on · View on CSLB

License details

License number
844311
Status
Active
Classifications
C-10 · ElectricalC-20 · Warm-Air Heating, Ventilating and Air-Conditioning
Contractor bond
$25,000
Workers' comp
Covered
License term on file
August 9, 2004 – August 31, 2026

Business

  • (909) 648 1062 (CSLB public record)
  • 750 E PLAZA SERENA, Ontario, CA 91764San Bernardino County

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Frequently asked questions

Is Castillo Julio Antonio licensed in California?

Yes. Castillo Julio Antonio holds an active California state contractor license (CSLB #844311), verified against the CSLB public record on June 17, 2026.

What is Castillo Julio Antonio's CSLB license number?

Castillo Julio Antonio's California contractor license number is 844311. 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 Castillo Julio Antonio licensed for?

Castillo Julio Antonio is classified under Electrical (C-10) and Warm-Air Heating, Ventilating and Air-Conditioning (C-20) by the CSLB.

How do I verify Castillo Julio Antonio's license myself?

Look up license #844311 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 #844311 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.