Peterson Mechanical Inc

Sonoma · Sonoma County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists Peterson Mechanical 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
#171486 verify on CSLB ↗
Classifications
B, C-4, C-16, C-20, C-34, C-36, C-38, C-42, C-43
Years licensed
68.7 years since 11/07/1957
Contractor bond
$25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers’ comp
Current OLD REPUBLIC INSURANCE COMPANY
Business type
Corporation
Qualifying principal
Richard Walter Peterson, Les Manning Peterson, Scott Richard Peterson
Address of record
P O Box 450, Sonoma, CA 95476

Frequently Asked Questions

Is Peterson Mechanical Inc a licensed HVAC contractor in California?

Yes. Peterson Mechanical Inc holds California CSLB contractor license #171486 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Peterson Mechanical Inc licensed to perform?

License #171486 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: B, C-4, C16, C34, C36, C38, C42, C43.

Is Peterson Mechanical Inc bonded?

Yes. Peterson Mechanical Inc carries contractor's bond #SC1016721 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.

Does Peterson Mechanical Inc carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with OLD REPUBLIC INSURANCE COMPANY, with a policy expiration of 04/01/2027.

How long has Peterson Mechanical Inc held its contractor license?

License #171486 was originally issued on 11/07/1957, approximately 69 years ago (as of July 2026).

Where is Peterson Mechanical Inc located?

Peterson Mechanical Inc is based in Sonoma, Sonoma County, CA 95476.