Whether you are in Santa Rosa, Petaluma, Cotati, Novato or anywhere else in Sonoma, Marin or Napa County…
Jeff’s Twin Oaks Garage is the go-to destination in the North Bay for expert diesel, truck and automotive repair.




Trained Professionals and Mechanics That You Can Trust

Jeff LaGrave
Owner

Doug Walker
Manager

Erik Mora
Lead Mechanic

Steve Gleed
Mechanic

Ruben Flores Seguro
Mechanic

Ben Sheppard
Junior Mechanic

Owen Cooper
Apprentice

Robin Lynn
Office Manager

Tina Curr
Accountant

RV Service and Maintenance

Fleet Service / Semi Trailer Service and Maintenance

Farm Equipment Repair and Maintenance

Diesel Truck Repair and Maintenance

Service Vehicles Repair and Maintenance

Tour Bus Repair & Maintenance
“When anyone asks where to take their truck for repairs I will say with great pleasure Jeff’s Twin Oaks Garage you won’t be sorry.“
Mike K., Petaluma, CA
Our Location
Conveniently located one – straight, flat – mile off Highway 101 (Exit 476 east) on Old Redwood Highway, Jeff’s Twin Oaks Garage is an easily accessed location for your disabled vehicle whether it’s being towed in or limping into the shop.
Jeff’s Twin Oaks Garage
5745 Old Redwood Highway
Penngrove, CA 94951-8676
Phone: (707) 795-4803
Email: jeffstwinoaks@yahoo.com
Jeff's Twin Oaks Garage
5745 Old Redwood Highway Penngrove, CA 94951-8676