We have the best professional staff.

We have qualified Mechanical Help

We are the best in car tuning services

Welcome to Castner’s Auto Service

Thanks for stopping by the Castner’s Auto web page. We are a family owned and operated repair facility in Placentia, CA. My name is Ron Castner and am a professional mechanic. We started a shop on Bradford and Center from 1957. The new shop was built in 1968. We have all the latest technology to help you with any auto repair. We are a local auto repair shop to help you with any brake, auto and truck repairs. We do everything from auto repair to oil changes as well as Smog Testing. Our success is driven by our strong commitment to customer satisfaction.

Our Services

Happy Customer

If you want an HONEST auto repair place then Castner’s Auto Service is the one! I had another auto repair place tell me that my 3 year old transmission in my CTS needed to be replaced. I went to Ron Castner for a second opinion…Read More

Beverly T.

Open Hours

  • Monday7:30 am – 5:00 pm
  • Tuesday7:30 am – 5:00 pm
  • Wednesday7:30 am – 5:00 pm
  • Thursday7:30 am – 5:00 pm
  • Friday7:30 am – 5:00 pm
  • Saturdayclosed
  • Sundayclosed