Diamond Heating & Air

Merced · Merced County · CA

VERIFIED

Bestopedia verdict

80 / 100 Bestopedia Trust Score

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

License standing
30 / 30
Years licensed
0.3 / 20
Contractor bond
20 / 20
Workers' comp
20 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#1151243 verify on CSLB ↗
Classifications
C-20
Years licensed
0.3 years since 03/02/2026
Contractor bond
$25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers’ comp
Current CONTINENTAL INDEMNITY COMPANY
Business type
Corporation
Qualifying principal
Diana Angelica Serrano
Address of record
1019 W 22nd St, Merced, CA 95340

Frequently Asked Questions

Is Diamond Heating & Air a licensed HVAC contractor in California?

Yes. Diamond Heating & Air holds California CSLB contractor license #1151243 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Diamond Heating & Air licensed to perform?

License #1151243 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning).

Is Diamond Heating & Air bonded?

Yes. Diamond Heating & Air carries contractor's bond #101041510 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.

Does Diamond Heating & Air carry workers' compensation insurance?

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

How long has Diamond Heating & Air held its contractor license?

License #1151243 was originally issued on 03/02/2026, approximately 0 years ago (as of July 2026).

Where is Diamond Heating & Air located?

Diamond Heating & Air is based in Merced, Merced County, CA 95340.