License activeVerified against CSLB records

ONGARO & SONS

Electrical, fire protection, warm-air heating, ventilating and air-conditioning, pipeline, plumbing, roofing, boiler, hot water heating and steam fitting, sanitation system, sheet metal, welding and machinery and pumps contractor in Petaluma, Sonoma County. CA license #215233

C10 · Electrical
C16 · Fire Protection
C20 · Warm-Air Heating, Ventilating And Air-Conditioning
C34 · Pipeline
C36 · Plumbing
C39 · Roofing
C-4 · Boiler, Hot Water Heating And Steam Fitting
C42 · Sanitation System
C43 · Sheet Metal
C60 · Welding
C-61 / D21 · Machinery And Pumps
Licensed since
196363 years
Entity
CorporationPetaluma, CA
License bond
$25,000On file
Workers' comp
CoveredPolicy through Oct 2027
Discipline
NoneOn public record

Trusted by

  • Evolved Property Group logo
  • Pacific Lifestyle Homes logo
  • Neo Builders logo
  • Khera Group logo

License and compliance history

Source: CSLB public license data

  1. 1963
    License issued, C10 ElectricalIssued Feb 13, 1963. Corporation. Classifications on record: C10, C16, C20, C34, C36, C39, C-4, C42, C43, C60, C-61 / D21.
  2. 2024
    License bond of $25,000 on fileCurrent bond effective Oct 18, 2024.
  3. 2026
    Workers' comp policy on fileAMTRUST INSURANCE COMPANY, policy #KWC1469773. Effective Oct 1, 2026. Current through Oct 1, 2027.
  4. Now
    License expiration on recordJan 31, 2028.
  5. Now
    No disciplinary actionsNone on CSLB public record as of Oct 1, 2026.

Insurance a C10 / C16 contractor usually needs

What owners and GCs typically ask for on residential and light commercial jobs

  • Workers' compensationCalifornia requires C-39 roofing contractors to carry it even with no employees.
    Get quotes
  • General liabilityOwner contracts commonly ask for $1M per occurrence / $2M aggregate, often with additional insured.
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  • Builder's riskNew homes and major rebuilds need it while the structure is going up; the contract says who buys it.
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  • Commercial autoCovers trucks and the trailer hauling materials to each site.
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Bonds for California C10 and C16 contractors

All California bonds
Required, on file

California contractor license bond

$25,000

Every active CSLB license needs one. Renew or replace it here.

From $200/yr
Get this bond
City of Petaluma

Encroachment Permit Bond

Set by the permit

Issued for work in City of Petaluma.

1%, $100 min
Get this bond
Public work

Bid bond

Often 10% of bid

Submitted with a bid on many California public projects.

Free
Get prequalified
After award

Performance and payment bonds

Up to 100% of contract

California public works over $25,000 require a payment bond.

Quoted per project
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Bonds are underwritten and issued by our surety partner. Rates depend on the applicant's credit and history.

Questions about ONGARO & SONS

What work can ONGARO & SONS do with a C10 license?

CSLB records list C10 (Electrical), C16 (Fire Protection), C20 (Warm-Air Heating, Ventilating And Air-Conditioning), C34 (Pipeline), C36 (Plumbing), C39 (Roofing), C-4 (Boiler, Hot Water Heating And Steam Fitting), C42 (Sanitation System), C43 (Sheet Metal), C60 (Welding) and C-61 / D21 (Machinery And Pumps) on this license, so ONGARO & SONS can take work in each of those classifications.

Does ONGARO & SONS have a contractor license bond?

Yes. CSLB records show a $25,000 contractor license bond on file as of Oct 1, 2026.

Does ONGARO & SONS carry workers' compensation?

CSLB shows a workers' comp policy on file, current through October 2027. Ask for a certificate of insurance before work starts.

How current is this information?

License, bond and comp data were last checked against CSLB on Oct 1, 2026. We recheck it periodically.

How this profile is built

BLDAssure compiles this profile automatically from public records and refreshes it periodically. We don't accept payment to change any record.

License, classifications, bondCalifornia Contractors State License BoardVerified Oct 1, 2026
Workers' compensationCSLB workers' comp recordsVerified Oct 1, 2026

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