Situated in the heart of charming Downtown Sonoma, On Site Auto Repair is your local solution for all auto repair needs. Our team of certified technicians specializes in a comprehensive range of services, from general maintenance to complex repairs, ensuring your vehicle runs smoothly and safely. We understand the importance of reliable transportation in your day-to-day life, and we're committed to providing prompt, professional, and high-quality service that gets you back on the road in no time.
At On Site Auto Repair, we pride ourselves on clear and honest communication. We'll keep you informed at every step, so you're never left in the dark about the condition of your vehicle or the work we're doing. Our commitment to customer satisfaction is evident in our attentive and personalized service.
Whether you're based in Sonoma or just passing through, you can trust On Site Auto Repair to handle your vehicle with the utmost care. Visit us at Auto Repair in Downtown Sonoma, Sonoma, CA for a seamless and stress-free auto repair experience.
Comprehensive Vehicle Care in the Heart of Sonoma
At On Site Auto Repair, we pride ourselves on our deep-rooted commitment to quality and expertise. Our team of highly trained professionals is ready and equipped to handle your vehicle needs, offering an expansive suite of services that cover everything from routine maintenance to complex repairs. Located conveniently in Downtown Sonoma, we are dedicated to providing a seamless and stress-free experience for our customers. We believe that auto care should not be a hassle, but a straightforward, reliable service. Trust your vehicle to On Site Auto Repair, where we prioritize your satisfaction with our top-notch service and professional expertise.
Unparalleled Car Maintenance Services in the Heart of Sonoma
On Site Auto Repair isn't just a business, it's an integral part of the Downtown Sonoma community. By choosing our services, you're not only ensuring your vehicle receives top-tier maintenance, but also contributing to the vibrancy and sustainability of a local business deeply rooted in Sonoma's neighborhood fabric. We regularly participate in local events, support community initiatives, and foster healthy relationships with our customers beyond the garage. Our commitment to Sonoma extends beyond our workshop, as we strive to make a positive impact on the local economy and the environment. By choosing On Site Auto Repair, you're not just a customer - you're a neighbor, a friend, and a valued member of our community.
Our services in Downtown Sonoma
Brake Repair Downtown Sonoma, Sonoma, CA
Need stopping power in busy Plaza traffic? Choose Brake Repair in Downtown Sonoma, Sonoma, CA built around local driving: frequent stops on West Napa Street, winery shuttle congestion on Broadway, and routes near Sonoma Mountain. Technicians handle brake pad and shoe replacement, rotor and drum resurfacing, caliper and wheel cylinder repair, brake fluid exchanges, and ABS diagnostics. Get a free inspection and same-day fixes so you can navigate school zones and market days safely. We service Toyota, Honda, Ford, Chevy, Dodge, and more. Book Brake Repair in Downtown Sonoma, Sonoma, CA today. Choose Brake Repair in Downtown Sonoma, Sonoma, CA.
Radiator Repair Downtown Sonoma, Sonoma, CA
Searching for Radiator Repair in Downtown Sonoma, Sonoma, CA? Overheating on West Napa Street or crawling Plaza traffic can spike temps fast. We diagnose coolant leaks, pressure-test caps and hoses, check water pump circulation, verify thermostat operation, and perform radiator repair or replacement to keep engines safe on Highway 12 and Arnold Drive climbs. Get a targeted coolant flush, fan and belt inspection, and quick turnarounds so you can walk to the Plaza while we work. Avoid tow delays during weekend events; call for troubleshooting that prevents head gasket damage. Learn more: Radiator Repair in Downtown Sonoma, Sonoma, CA.
Check Engine Light Repair Downtown Sonoma, Sonoma, CA
Need Check Engine Light Repair in Downtown Sonoma, Sonoma, CA? We diagnose misfires, EVAP leaks from loose gas caps on West Napa Street, failing O2 sensors, and electrical faults that keep you from passing Sonoma smog checks. Our scanners read codes for Toyota, Subaru, Honda, Ford, and Lexus, then test components, verify fixes, and clear codes. Get same-day results so you can navigate Highway 12 and Plaza traffic. Book Check Engine Light Repair in Downtown Sonoma, Sonoma, CA for transparent estimates, prioritized repairs, and retest guidance. Choose Check Engine Light Repair in Downtown Sonoma, Sonoma, CA that respects time.
Auto AC Repair Downtown Sonoma, Sonoma, CA
Beat Valley heat and morning fog with Auto AC Repair in Downtown Sonoma, Sonoma, CA. Stay cool in traffic on Broadway and Hwy 12 with R-134a or R-1234yf recharge, compressor repair, condenser service, evaporator replacement, and leak detection. We restore heat and defrost with heater core, thermostat, and blend door repairs, so your windshield clears on Sonoma Plaza mornings. Technicians use computer diagnostics and pressure testing for accurate fixes. Walk the Plaza while we prepare your system for summer and winter. Book Auto AC Repair in Downtown Sonoma, Sonoma, CA today to stop cabin heat, weak airflow, and odors.
Oil Change Downtown Sonoma, Sonoma, CA
Need fast Oil Change in Downtown Sonoma, Sonoma, CA before a Highway 12 commute or winery shift? We service Toyota, Subaru, Honda, Ford, and hybrids, using OEM-spec oil and filters tailored to summer heat and dusty vineyard roads. Short-trip driving around the Plaza builds moisture and fuel dilution; we address that with proper intervals, inspection, and fluid top-offs. Walk to coffee or the Farmers’ Market while we work; get tire pressure checks. Keep warranties intact and mileage consistent with Oil Change in Downtown Sonoma, Sonoma, CA. Choose parking and same-day service for Oil Change in Downtown Sonoma, Sonoma, CA.
Suspension Repair Downtown Sonoma, Sonoma, CA
Choose Suspension Repair in Downtown Sonoma, Sonoma, CA to stop clunks over Sonoma Plaza cobblestones, nose-diving at Broadway/Highway 12 stoplights, and steering pull on Arnold Drive. We inspect shocks, struts, ball joints, and tie rods, then perform strut/shock replacement, wheel alignment, and power steering repairs that restore tracking and tire wear. Domestic and imports welcome: Ford, Chevy, Toyota, Honda, Subaru, Lexus, Acura, Hyundai. Walk to the Plaza while we work; downtown parking and speed bumps are hard on suspensions, and winter potholes worsen it. Book Suspension Repair in Downtown Sonoma, Sonoma, CA today for precise handling and shorter braking.
Tire Shop Downtown Sonoma, Sonoma, CA
Need tires handled quickly near the Plaza? Tire Shop in Downtown Sonoma, Sonoma, CA installs new tires with correct torque, replaces valve stems, repairs punctures, and computer-balances wheels to stop vibration on Broadway, West Napa Street, and vineyard backroads. We service Toyota, Honda, Ford, Chevy, Subaru, and more, and stock Michelin, Bridgestone, Goodyear, and Continental sized for local commutes and Highway 12 trips. Get TPMS diagnostics that catch slow leaks from curb impacts and construction nails. If a flat strands you after tasting rooms close, we offer same-day solutions. Choose Tire Shop in Downtown Sonoma, Sonoma, CA—your nearby fix.
Transmission Repair Downtown Sonoma, Sonoma, CA
Need Transmission Repair in Downtown Sonoma, Sonoma, CA? We diagnose slipping, harsh shifts, leaks, and check-engine codes using advanced scanners, then service fluid, filters, clutches, CV axles, transfer cases, and complete rebuilds for Toyota, Honda, Subaru, Ford, Chevy, Lexus, Hyundai, and more. Stop-and-go near Sonoma Plaza and weekend traffic on Highway 12 strain transmissions; we prevent overheating, restore smooth shifts, and address hill starts to vineyards. Drop off near Broadway and Napa Street, walk to errands, and get clear estimates. Free diagnostics available. Book Transmission Repair in Downtown Sonoma, Sonoma, CA for accurate fixes that fit downtown parking limits.
About Downtown Sonoma
Downtown Sonoma centers on Sonoma Plaza, the state’s largest town square, with preserved adobe buildings and small-lot storefronts serving residents and tasting rooms. On Site Auto Repair supports daily drivers and business fleets that navigate narrow streets, event traffic, and visitor parking turnover around the Plaza.
Coordinates for Downtown Sonoma (per Google Maps): approximately 38.2919° N, 122.4580° W. Estimated city population: about 10,000–11,000 residents. Landmarks nearby include Sonoma Plaza, Mission San Francisco Solano, Sonoma State Historic Park, Sonoma City Hall, Sonoma Valley Hospital, Depot Park, Sebastiani Theatre, and the Fairmont Sonoma Mission Inn & Spa.
The area’s history includes Spanish mission-era roads and agricultural routes that influence today’s traffic flow and parking rules. We schedule mobile repair and shop service to avoid weekend winery traffic and Plaza events, prioritizing quick diagnostics, brake service, oil changes, batteries, and tire repairs for commuters and local businesses.
Climate considerations: hot, dry summers and cool, damp winters. We check coolant systems for high-temperature days, test batteries before cold mornings, recommend all-season tires with proper tread for wet roads, and protect components from dust and wildfire ash exposure during smoke events.
We comply with Sonoma municipal and California BAR regulations, manage fluids under hazardous-waste rules, and follow local street-parking time limits during mobile service. Nearby neighborhoods we serve: Boyes Hot Springs, Temelec, and Fetters Heights, with flexible scheduling for residential streets and limited driveways.
Our eco-friendly practices include recycling motor oil, filters, batteries, and scrap metal; using low-VOC cleaners; and offering remanufactured parts when appropriate. Contact On Site Auto Repair for reliable auto repair in Downtown Sonoma.