Ongaro & Sons

Petaluma · Sonoma County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists Ongaro & Sons 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
#215233 verify on CSLB ↗
Classifications
C-4, C-10, C-16, C-20, C-34, C-36, C-39, C-42, C-43, C-60, D-21
Years licensed
63.4 years since 02/13/1963
Contractor bond
$25,000 MERCHANTS BONDING COMPANY (MUTUAL)
Workers’ comp
Current CAROLINA CASUALTY INSURANCE COMPANY
Business type
Corporation
Qualifying principal
Jason Allen Dimas, Joey Clark Reineck, Ernest Joseph Ongaro, Ernest Virgil Ongaro
Address of record
719 Southpoint Blvd, Petaluma, CA 94954

Frequently Asked Questions

Is Ongaro & Sons a licensed HVAC contractor in California?

Yes. Ongaro & Sons holds California CSLB contractor license #215233 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Ongaro & Sons licensed to perform?

License #215233 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: C-4, C10, C16, C34, C36, C39, C42, C43, C60, D21.

Is Ongaro & Sons bonded?

Yes. Ongaro & Sons carries contractor's bond #101277712 for $25,000 through MERCHANTS BONDING COMPANY (MUTUAL).

Does Ongaro & Sons carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with CAROLINA CASUALTY INSURANCE COMPANY, with a policy expiration of 10/01/2026.

How long has Ongaro & Sons held its contractor license?

License #215233 was originally issued on 02/13/1963, approximately 63 years ago (as of July 2026).

Where is Ongaro & Sons located?

Ongaro & Sons is based in Petaluma, Sonoma County, CA 94954.