Contractor License Proof

Sinclair Air Systems

Licensed

Verified against CSLB on August 4, 2026 · View on CSLB

License details

License number: 724978
Status: Active
Classifications: C-20 · Warm-Air Heating, Ventilating and Air-Conditioning
Contractor bond: $25,000
Workers' comp: Covered
License term on file: July 15, 1996 – July 31, 2026CSLB lists this license as current.

Business

(626) 331 4541 (CSLB public record)
1935 MCKINLEY AVE STE D, La Verne, CA 91750Los Angeles County

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Frequently asked questions

Is Sinclair Air Systems licensed in California?

Yes. Sinclair Air Systems holds an active California state contractor license (CSLB #724978), verified against the CSLB public record on August 4, 2026.

What is Sinclair Air Systems's CSLB license number?

Sinclair Air Systems's California contractor license number is 724978. 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 Sinclair Air Systems licensed for?

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

How do I verify Sinclair Air Systems's license myself?

Look up license #724978 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 August 4, 2026.

Verify it yourself: How to verify a California contractor license · Look up #724978 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.