✓Ernest Ongaro & Sons Inc Dba Ongaro & Sons
Petaluma · Sonoma County
Active license, no suspensions or flags in the state's file.
Disciplinary history (citations and accusations) is on the state's license page, linked below.
- License
- #215233
- Status
- Active
- Classes
- C-4 Boiler, hot water heating and steam fitting contractor
C-10 Electrical contractor
C-16 Fire protection contractor
C-20 HVAC contractor (warm-air heating, ventilating and air conditioning)
C-34 Pipeline contractor
C-36 Plumbing contractor
C-39 Roofing contractor
C-42 Sanitation system contractor
C-43 Sheet metal contractor
C-60 Welding contractor
C-61/D-21 Limited specialty: machinery and pumps
- Business type
- Corporation
- Issued
- Feb 13, 1963
- Expires
- Jan 31, 2028
From the CSLB license file as of Nov 8, 2026. See this license on CSLB.ca.gov for its disciplinary history and to confirm before you hire.
Other boiler, hot water heating and steam fitting contractors in Petaluma
Active licenses with no suspensions or flags on file. See all of them.