Santa Rosa's most trusted independent auto repair shop. Family owned since 1969, serving Sonoma County for over 55 years.
Hahn Automotive opened its doors in Santa Rosa in 1969. Owner Billy Coughlan has worked at this shop since 1979 and took ownership in 1989 — bringing over four decades of personal commitment to every car that comes through the door.
We're not a chain. We're your neighbors. Every repair is done with integrity, explained clearly, and priced honestly. No surprises, no upsells, just quality work done right.
Locally owned and operated. Billy Coughlan knows every customer by name and stands behind every repair personally.
Hahn Automotive operates on solar power and follows green practices. We take care of cars and the environment.
Leather sofas, free Wi-Fi, bottled water, and Maggie our shop Labrador. Waiting for your car has never been this comfortable.
We service fleets for businesses, schools, restaurants, and non-profits across Sonoma County with dedicated maintenance programs.
From Toyota Prius to Ford diesel trucks to European luxury vehicles — we have the training and equipment for every make.
Diesel trucks, RVs, boats, trailers, hybrid vehicles, and electrical diagnostics. We handle what other shops refer out.
Maggie is Hahn Automotive's resident Labrador and self-appointed inspector of all vehicles entering the facility. She's been greeting customers, supervising repairs, and keeping spirits high for years.
If the waiting room feels like home, she's a big reason why. Come meet her — she's friendly, she's professional, and she takes her job very seriously.
Visit Us & Meet MaggieFrom routine maintenance to major repairs, Hahn Automotive handles it all under one roof.
Call us or book online. Same-day appointments often available.