Contractor License Proof

Certified Service

Licensed

Verified against CSLB on · View on CSLB

License details

License number
421428
Status
Active
Classifications
C-20 · Warm-Air Heating, Ventilating and Air-Conditioning
Contractor bond
$25,000
Workers' comp
Covered
License term on file
April 16, 1982 – April 30, 2028

Business

  • (818) 843 2301 (CSLB public record)
  • 309 W VERDUGO AVE, Burbank, CA 91502Los Angeles County

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What to check next

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Frequently asked questions

Is Certified Service licensed in California?

Yes. Certified Service holds an active California state contractor license (CSLB #421428), verified against the CSLB public record on June 17, 2026.

What is Certified Service's CSLB license number?

Certified Service's California contractor license number is 421428. 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 Certified Service licensed for?

Certified Service is classified under Warm-Air Heating, Ventilating and Air-Conditioning (C-20) by the CSLB.

How do I verify Certified Service's license myself?

Look up license #421428 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 #421428 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.