Mountain Air

Livermore · Alameda County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists Mountain Air 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
#630391 verify on CSLB ↗
Classifications
C-10, C-20
Years licensed
34.7 years since 10/09/1991
Contractor bond
$25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers’ comp
Current HARTFORD CASUALTY INSURANCE COMPANY
Business type
Partnership
Address of record
2131 Cabernet Way, Livermore, CA 94550

Frequently Asked Questions

Is Mountain Air a licensed HVAC contractor in California?

Yes. Mountain Air holds California CSLB contractor license #630391 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Mountain Air licensed to perform?

License #630391 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: C10.

Is Mountain Air bonded?

Yes. Mountain Air carries contractor's bond #9047043 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.

Does Mountain Air carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with HARTFORD CASUALTY INSURANCE COMPANY, with a policy expiration of 03/01/2027.

How long has Mountain Air held its contractor license?

License #630391 was originally issued on 10/09/1991, approximately 35 years ago (as of July 2026).

Where is Mountain Air located?

Mountain Air is based in Livermore, Alameda County, CA 94550.