Ongaro & Sons
Ongaro & Sons has been a trusted name since 1932, serving Marin, Sonoma, and Napa counties with comprehensive home services including plumbing, HVAC, electrical, and solar. Our neighbors have called us over 90,000 times. For plumbing specifically, we handle drain cleaning, water heater repair and installation, pipe repair and replacement, gas line work, sewer line services, and water filtration—all backed by our Diamond Certified reputation and a team dedicated to reliable, professional service.