Dunham Mechanical Services

Riverside · Riverside County · CA

VERIFIED

Bestopedia verdict

92 / 100 Bestopedia Trust Score

California’s contractor board lists Dunham Mechanical Services in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.

License standing
30 / 30
Years licensed
12.1 / 20
Contractor bond
20 / 20
Workers' comp
20 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#993612 verify on CSLB ↗
Classifications
C-20
Years licensed
12.1 years since 06/13/2014
Contractor bond
$25,000 HUDSON INSURANCE COMPANY
Workers’ comp
Current SECURITY NATIONAL INSURANCE COMPANY
Business type
Sole Owner
Qualifying principal
Mark Leonard Dunham
Address of record
3550 Nash Street, Riverside, CA 92501

Frequently Asked Questions

Is Dunham Mechanical Services a licensed HVAC contractor in California?

Yes. Dunham Mechanical Services holds California CSLB contractor license #993612 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Dunham Mechanical Services licensed to perform?

License #993612 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning).

Is Dunham Mechanical Services bonded?

Yes. Dunham Mechanical Services carries contractor's bond #30132022 for $25,000 through HUDSON INSURANCE COMPANY.

Does Dunham Mechanical Services carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with SECURITY NATIONAL INSURANCE COMPANY, with a policy expiration of 06/01/2027.

How long has Dunham Mechanical Services held its contractor license?

License #993612 was originally issued on 06/13/2014, approximately 12 years ago (as of July 2026).

Where is Dunham Mechanical Services located?

Dunham Mechanical Services is based in Riverside, Riverside County, CA 92501.