The Engineering Atelier at Oceanside's Heart
Cornerstone Automotive was built on a singular belief: every vehicle deserves the same precise, honest care that a craftsman gives to a masterpiece. Located at 477 N El Camino Real, Oceanside, CA, we've served the North County community since 2021.
From routine oil changes to complex engine rebuilds, our team of ASE-certified technicians approaches every job with thoroughness, transparency, and technical mastery that sets us apart from any other independent shop in the area.
2021
Established in Oceanside, CA
500+
Vehicles Serviced
4.8★
Average Rating
150
Point Inspection
100%
Carfax Guaranteed
Our Values
What We Stand For
Transparency
We explain every repair in plain language before we start. No surprises, no upsells. Just honest work at fair prices.
Precision
Every repair is executed to manufacturer specifications. We use OEM-grade parts and calibrated equipment for every job.
Community
We're your Oceanside neighbors. We care about the safety and reliability of every vehicle we touch because your family may be in it.
Our Team
The Atelier Technicians
Marcus Webb
Lead Master Technician
ASE Master Certified with 18 years of experience specializing in European performance vehicles and advanced diagnostics.
Diana Reyes
Service Advisor & Operations
Your first point of contact. Diana ensures every appointment runs smoothly and every customer leaves fully informed.
James Park
Electrical & Hybrid Specialist
Certified in Tesla, BMW EV, and hybrid systems. James handles all advanced electrical diagnostics and EV battery services.
Certifications & Credentials
ASE Certified
Master Technician Certification
BBB Accredited
Better Business Bureau Member
Carfax Advantage
Certified Carfax Dealer
EV Certified
Hybrid & Electric Vehicle Training
Ready to experience the Cornerstone difference?
Call us at (760) 757-9615 or schedule online — we're ready to earn your trust.
Book an Appointment