Sinclair Air Systems

La Verne · Los Angeles County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists Sinclair Air Systems in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.

License standing
30 / 30
Years licensed
20 / 20
Contractor bond
20 / 20
Workers' comp
20 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#724978 verify on CSLB ↗
Classifications
C-20
Years licensed
30.0 years since 07/15/1996
Contractor bond
$25,000 PHILADELPHIA INDEMNITY INSURANCE COMPANY
Workers’ comp
Current NATIONAL FIRE INSURANCE COMPANY OF HARTFORD
Business type
Sole Owner
Qualifying principal
Richard Dean Cortez
Address of record
1935 Mckinley Ave Ste D, La Verne, CA 91750

Frequently Asked Questions

Is Sinclair Air Systems a licensed HVAC contractor in California?

Yes. Sinclair Air Systems holds California CSLB contractor license #724978 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Sinclair Air Systems licensed to perform?

License #724978 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning).

Is Sinclair Air Systems bonded?

Yes. Sinclair Air Systems carries contractor's bond #PB10163409312 for $25,000 through PHILADELPHIA INDEMNITY INSURANCE COMPANY.

Does Sinclair Air Systems carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with NATIONAL FIRE INSURANCE COMPANY OF HARTFORD, with a policy expiration of 06/03/2027.

How long has Sinclair Air Systems held its contractor license?

License #724978 was originally issued on 07/15/1996, approximately 30 years ago (as of July 2026).

Where is Sinclair Air Systems located?

Sinclair Air Systems is based in La Verne, Los Angeles County, CA 91750.