4.9
ASE Certified
On Site Auto Repair
Mobile Mechanic in Santa Rosa, CA
4.9(114 reviews)
Free Estimate Same Day10+ years
Expertise & Credentials
ASE Certified
National Institute for Automotive Service Excellence certified technician.
About On Site Auto Repair
On Site Auto Repair is a trusted auto repair shop in Santa Rosa, CA, serving drivers throughout Santa Rosa and Sonoma County since 2011. With ASE-certified mechanics, they offer a full range of services including brakes, transmission repair, diagnostics, AC, electrical, and engine work, with free estimates and same-day service available. Located at 363 W 9th St in Santa Rosa's Railroad Square district.
Services Offered
Oil Change
Brakes
Diagnostics
A/C Service
Transmission
Electrical
Tires
Fleet
Inspection
Engine Repair
Service Area
Serves: Santa Rosa,Rohnert Park,Petaluma,Sebastopol,Windsor,Healdsburg,Sonoma,Cotati
Counties: Sonoma
Pricing
Free estimates available
* Prices shown are from the mechanic's website and may vary. Always confirm before booking.
On Site Auto Repair
363 W 9th St B & C
Santa Rosa, CA 95401
Phone
(707) 326-8655Mon–Fri: 8:00am–5:30pm
Sat: 8:00am–4:00pm
Sun: Closed
Availability
Open SaturdaysSame Day
Data last updated March 24, 2026