Mon – Fri | 7:00am – 6:00pm
Sat – Sun | Closed
We are committed to delivering a better automotive experience. Cornerstone combines deep technical expertise with clear communication, so you can approach your vehicle’s maintenance with certainty, not stress.
Just pick the appointment time that works best for your schedule. Once you're booked, we'll take it from there and handle everything to get your vehicle sorted.
Our professional service advisor will handle your vehicle's care. We'll ensure you leave with clear service expectations and can offer a courtesy ride* home if you need one.
*Services may vary per location.
After ASE certified technician inspects your car, we'll send a detailed text or call with a clear cost estimate. This estimate will cover your main concern, flag any immediate safety issues, and outline future maintenance needs. We aim to keep you informed, empowered and confident.
Let us know if you need a ride back to the shop*, or feel free to stop by when it's convenient for you. Your service advisor will go over all the finished work, and you can take care of the payment right here. We hope to see you next time.
*Services may vary per location.
Drivers across San Antonio count on Cornerstone Automotive for trustworthy auto repair in San Antonio, TX, built on honesty, skill, and genuine customer care. Conveniently located on Blanco Rd, our locally owned shop delivers dealership-quality workmanship with the friendly, down-to-earth service you’d expect from a neighborhood auto center. Our ASE-certified technicians use state-of-the-art diagnostics and premium parts to handle everything from routine oil changes and brake repairs to complex engine, suspension, and transmission work. Every job is performed with precision and care to keep your car dependable, safe, and performing at its best. At Cornerstone Automotive, clear communication and transparency are always part of the experience—no hidden fees, no unnecessary upsells, just honest service done right. When you’re looking for expert craftsmanship, fair pricing, and reliable auto repair in San Antonio, TX, our team on Blanco Rd is ready to help you get back on the road with confidence.

Keep your cabin comfortable year-round with expert air conditioning and heating system inspections, maintenance, and repairs.

Quickly identify and fix performance issues with advanced diagnostics that pinpoint problems before they become costly repairs.

From routine maintenance to complex repairs, get dependable service that keeps your vehicle running strong.

Ensure reliable starts every time with professional testing and repair for your vehicle’s battery, starter, and charging system.

Restore safe, confident stopping power with complete brake system inspections, pad replacements, and rotor services.

Solve electrical issues fast with skilled troubleshooting and repairs for lighting, wiring, sensors, and other electronic components.

Keep your engine running at the right temperature with expert radiator, thermostat, and coolant system service.

Maintain peak performance with precise engine diagnostics, repairs, and maintenance for all makes and models.

Improve fuel efficiency and reduce emissions with professional exhaust system repairs and muffler replacements.

Protect your investment and avoid breakdowns with routine maintenance tailored to your vehicle’s manufacturer schedule.

Keep your business running efficiently with comprehensive fleet maintenance and repair services for all vehicle types.

Extend engine life and improve efficiency with timely oil and filter changes using high-quality products.

Restore smooth, accurate handling with professional service for power steering systems and related components.

Bring back a comfortable, stable ride with expert inspection and repair of shocks, struts, and suspension systems.

Maximize safety and tread life with professional tire sales, balancing, rotations, and flat repairs.

Keep your vehicle shifting smoothly with skilled transmission diagnostics, repairs, and fluid services.

Improve handling and prevent uneven tire wear with precision four-wheel alignment services.
of customers say we offer efficient and speedy service.
of customers say we are trustworthy.
like that we don't push unnecessary repairs.
of customers return for repeated services.