Contractor License Proof

Ernest Ongaro & Sons Inc DBA Ongaro & Sons

Licensed

Verified against CSLB on · View on CSLB

License details

License number
215233
Status
Active
Classifications
C-10 · ElectricalC-16 · Fire ProtectionC-20 · Warm-Air Heating, Ventilating and Air-ConditioningC-34 · PipelineC-36 · PlumbingC-39 · RoofingC-4 · Boiler, Hot-Water Heating and Steam FittingC-42 · Sanitation SystemC-43 · Sheet MetalC-60 · WeldingD-21 · Machinery and Pumps
Contractor bond
$25,000
Workers' comp
Covered
License term on file
February 13, 1963 – January 31, 2028

Business

Are you Ernest Ongaro & Sons Inc DBA Ongaro & Sons? Claim this listing to manage it.

Claim this listing

Request a free quote

Tell us about your project and we'll connect you with licensed, verified California contractors.

By submitting, you agree we may share your request with relevant licensed contractors to help with your project. See our Privacy Policy.

Something wrong on this page? Report incorrect information.

Other Electrical contractors in Petaluma

Scott M Miller

C-10 · Petaluma, CA

Licensed

Verified August 4, 2026 · Bonded

Breakers Electric Inc

C-10 · Petaluma, CA

Licensed

Verified August 4, 2026 · Bonded

Robert Montgomery Vangrin

C-10 · Petaluma, CA

License suspended

Verified August 4, 2026 · Bonded

C N C Electric

C-10 · Petaluma, CA

Licensed

Verified August 4, 2026 · Bonded

Booth Electric Inc

C-10 · Petaluma, CA

Licensed

Verified August 4, 2026 · Bonded

Zarco's Electrical Inc

C-10 · Petaluma, CA

Licensed

Verified August 4, 2026 · Bonded

Browse all Electrical contractors in Petaluma

What to check next

How to verify a California contractor licenseRed flags when hiring a contractorLicensed vs. bonded vs. insured — what's the difference?Risks of hiring an unlicensed contractor

Frequently asked questions

Is Ernest Ongaro & Sons Inc DBA Ongaro & Sons licensed in California?

Yes. Ernest Ongaro & Sons Inc DBA Ongaro & Sons holds an active California state contractor license (CSLB #215233), verified against the CSLB public record on August 4, 2026.

What is Ernest Ongaro & Sons Inc DBA Ongaro & Sons's CSLB license number?

Ernest Ongaro & Sons Inc DBA Ongaro & Sons's California contractor license number is 215233. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Ernest Ongaro & Sons Inc DBA Ongaro & Sons licensed for?

Ernest Ongaro & Sons Inc DBA Ongaro & Sons is classified under Electrical (C-10), Fire Protection (C-16), Warm-Air Heating, Ventilating and Air-Conditioning (C-20), Pipeline (C-34), Plumbing (C-36), Roofing (C-39), Boiler, Hot-Water Heating and Steam Fitting (C-4), Sanitation System (C-42), Sheet Metal (C-43), Welding (C-60), and Machinery and Pumps (D-21) by the CSLB.

How do I verify Ernest Ongaro & Sons Inc DBA Ongaro & Sons's license myself?

Look up license #215233 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of August 4, 2026.

Verify it yourself: How to verify a California contractor license · Look up #215233 on CSLB

Checking more than one contractor? Verify another license.Verify a license

See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.