Avellar William G Heating and Air Conditioning

Forestville · Sonoma County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists Avellar William G Heating and Air Conditioning 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
#662900 verify on CSLB ↗
Classifications
C-20
Years licensed
33.5 years since 01/13/1993
Contractor bond
$25,000 HUDSON INSURANCE COMPANY
Workers’ comp
Current GREAT AMERICAN ALLIANCE INSURANCE COMPANY
Business type
Sole Owner
Qualifying principal
William George Avellar
Address of record
P O Box 352, Forestville, CA 95436

Frequently Asked Questions

Is Avellar William G Heating and Air Conditioning a licensed HVAC contractor in California?

Yes. Avellar William G Heating and Air Conditioning holds California CSLB contractor license #662900 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Avellar William G Heating and Air Conditioning licensed to perform?

License #662900 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning).

Is Avellar William G Heating and Air Conditioning bonded?

Yes. Avellar William G Heating and Air Conditioning carries contractor's bond #30136096 for $25,000 through HUDSON INSURANCE COMPANY.

Does Avellar William G Heating and Air Conditioning carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with GREAT AMERICAN ALLIANCE INSURANCE COMPANY, with a policy expiration of 12/19/2026.

How long has Avellar William G Heating and Air Conditioning held its contractor license?

License #662900 was originally issued on 01/13/1993, approximately 34 years ago (as of July 2026).

Where is Avellar William G Heating and Air Conditioning located?

Avellar William G Heating and Air Conditioning is based in Forestville, Sonoma County, CA 95436.