Diablo Thermal Systems Inc

Walnut Creek · Contra Costa County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists Diablo Thermal Systems Inc 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
#823200 verify on CSLB ↗
Classifications
C-20, C-38
Years licensed
22.8 years since 09/02/2003
Contractor bond
$25,000 WESTERN SURETY COMPANY
Workers’ comp
Current TECHNOLOGY INSURANCE COMPANY INC
Business type
Corporation
Qualifying principal
Bret Wayne Vincent
Address of record
PO Box 30582, Walnut Creek, CA 94598

Frequently Asked Questions

Is Diablo Thermal Systems Inc a licensed HVAC contractor in California?

Yes. Diablo Thermal Systems Inc holds California CSLB contractor license #823200 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Diablo Thermal Systems Inc licensed to perform?

License #823200 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: C38.

Is Diablo Thermal Systems Inc bonded?

Yes. Diablo Thermal Systems Inc carries contractor's bond #67724031 for $25,000 through WESTERN SURETY COMPANY.

Does Diablo Thermal Systems Inc carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with TECHNOLOGY INSURANCE COMPANY INC, with a policy expiration of 05/11/2027.

How long has Diablo Thermal Systems Inc held its contractor license?

License #823200 was originally issued on 09/02/2003, approximately 23 years ago (as of July 2026).

Where is Diablo Thermal Systems Inc located?

Diablo Thermal Systems Inc is based in Walnut Creek, Contra Costa County, CA 94598.