About Hahn Automotive

Santa Rosa's most trusted independent auto repair shop. Family owned since 1969, serving Sonoma County for over 55 years.

Hahn Automotive shop interior with branded floor mat

Our Story

Family Owned.
55 Years.
Santa Rosa.

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.

1969

Established in
Santa Rosa, CA

Solar

Powered Facility &
Green Practices

ASE

Certified
Technicians

Schedule Service

What Sets Us Apart

The Hahn Difference

Family Owned Since 1969

Locally owned and operated. Billy Coughlan knows every customer by name and stands behind every repair personally.

Solar Powered Facility

Hahn Automotive operates on solar power and follows green practices. We take care of cars and the environment.

Comfortable Waiting Area

Leather sofas, free Wi-Fi, bottled water, and Maggie our shop Labrador. Waiting for your car has never been this comfortable.

Commercial Fleet Programs

We service fleets for businesses, schools, restaurants, and non-profits across Sonoma County with dedicated maintenance programs.

All Makes & Models

From Toyota Prius to Ford diesel trucks to European luxury vehicles — we have the training and equipment for every make.

Specialty Services

Diesel trucks, RVs, boats, trailers, hybrid vehicles, and electrical diagnostics. We handle what other shops refer out.

Maggie, shop dog at Hahn Automotive, Santa Rosa

Meet the Team

Maggie —
Chief Morale
Officer

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 Maggie

Our Services