Ace-Sierra Tow has been proudly providing prompt, honest and reliable towing, autolock, and roadside assistance needs through out the Contra Costa County since 1999. Headquartered in Martinez, Ca and owned and operated by Richard Shipp. Having been in the service industry for over 20 years, we have extensive knowledge and expertise to give you the upmost confidence that you are in the best hands possible. Going the extra mile is who we are, we believe once you try us you will become a customer for life.