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Ongaro & Sons: CSLB License #215233
Source: CSLB public data · Updated November 1, 2026 · Official CSLB record
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The license is active with no suspension on record, though classifications, bonds and secondary flags still deserve a look.
License details
- License number
- 215233
- Primary status
- CLEAR · what this means
- Business type
- Corporation
- Full business name
- Ernest Ongaro & Sons INC DBA Ongaro & Sons
- Issued
- February 13, 1963 (63 years)
- Expires
- January 31, 2028
- Classifications
- C-10 Electrical Contractor
C-16 Fire Protection Contractor
C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
C-34 Pipeline Contractor
C-36 Plumbing Contractor
C-39 Roofing Contractor
C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
C-42 Sanitation System Contractor
C-43 Sheet Metal Contractor
C-60 Welding Contractor
C-61/D-21 Machinery and Pumps - Mailing address
- 719 Southpoint Blvd, Petaluma, CA, 94954
- Phone
- (707) 579 3511
Workers' compensation
- Type
- Workers' Compensation Insurance
- Insurer
- Amtrust Insurance Company
- Policy number
- KWC1469773
- Effective
- October 1, 2026
- Expires
- October 1, 2027
Confirm coverage with CSLB's insurer search. How to check workers' comp.
Contractor's bond
- Surety
- Merchants Bonding Company (mutual)
- Bond number
- 101277712
- Amount
- $25,000
- Effective
- October 18, 2024
Status history
No changes recorded since we began tracking this license on November 1, 2026. We compare every weekly CSLB file and log changes to status, bonds, workers' comp and classifications here.
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- What "CLEAR" means
- How to check a contractor license
Data: CSLB Public Data Portal, file dated November 1, 2026. Status can change at any time. Verify on CSLB's Instant License Check. This site is not a consumer reporting agency under the FCRA; don't use it for employment, credit, insurance or housing decisions about an individual.