Thermal Alliance

Mariposa · Mariposa County · CA

LISTED

Bestopedia verdict

88 / 100 Bestopedia Trust Score

California’s contractor board lists Thermal Alliance in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is not current in the public record.

License standing
30 / 30
Years licensed
20 / 20
Contractor bond
20 / 20
Workers' comp
8 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#719460 verify on CSLB ↗
Classifications
C-20
Years licensed
30.3 years since 02/28/1996
Contractor bond
$25,000 NORTH RIVER INSURANCE COMPANY (THE)
Workers’ comp
Not current in the public record
Business type
Sole Owner
Qualifying principal
Michael Glenn Rosier
Address of record
5669 Darrah Rd, Mariposa, CA 95338

Frequently Asked Questions

Is Thermal Alliance a licensed HVAC contractor in California?

Yes. Thermal Alliance holds California CSLB contractor license #719460 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Thermal Alliance licensed to perform?

License #719460 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning).

Is Thermal Alliance bonded?

Yes. Thermal Alliance carries contractor's bond #04CF619385 for $25,000 through NORTH RIVER INSURANCE COMPANY (THE).

Does Thermal Alliance carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with CLEAR SPRING PROPERTY AND CASUALTY COMPANY, with a policy expiration of 06/30/2026 (this policy's expiration date has passed).

How long has Thermal Alliance held its contractor license?

License #719460 was originally issued on 02/28/1996, approximately 30 years ago (as of July 2026).

Where is Thermal Alliance located?

Thermal Alliance is based in Mariposa, Mariposa County, CA 95338.