About Ongaro & Sons
Trusted whole home energy partner since 1932. Serving Sonoma, Marin, and Napa Counties with integrity and quality.
- Industry
- Individual and Family Services
- Company size
- 51-200 employees
- Headquarters
- Petaluma, California
- Founded
- 1932
- Company type
- Privately Held
- Company profile name
- Ernest Ongaro & Sons, Inc.
Ongaro & Sons was founded in 1932 by Ernest V. Ongaro to provide honest, reliable service that homeowners can trust. What began as a small family business has grown into a fourth-generation company serving Marin, Sonoma, and Napa counties. Over the decades, we’ve expanded our expertise to include HVAC, plumbing, electrical, and solar, offering a seamless, whole home service experience.
Being family owned and operated for more than 90 years, our values have never changed: integrity, service, quality, and a commitment to the community we call home. We offer flat-rate, upfront pricing with no hidden fees, nationally recognized certifications for our technicians, and warranties that go beyond industry standards. With Ongaro & Sons, you can count on quality work and the peace of mind that comes from a company built on nearly a century of trust.
From quick installations to comprehensive system upgrades, Ongaro & Sons delivers solutions that are safe, efficient, and built to last. More than a service provider, we’re a family business that treats your home with care and stands by every project, now and for generations to come.
Specialties
- Electrical
- Plumbing
- Solar
- Heating and Cooling
- and Home Services
Company locations
719 Southpoint Blvd, Petaluma, California 94954, US
Locations listed on the company profile. These may include offices outside the United States, and not every location is hiring.
On LinkedIn
- Followers
- 209
- People linked to this company
- 31
People who list this company on LinkedIn, not a verified employee count. Figures reflect the saved company profile.