24/7 Emergency Service:(510) 527-7000

Areas Served

Rex Key & Security is physically located at 1908 University Avenue in Berkeley, California. Office hours are Monday through Friday 8:30-5:30 and Saturday 9:00-4:30. However, our mobile units travel throughout the East Bay Area to bring our licensed locksmiths to you, whether you’re need a locksmith in Oakland, Berkeley, Alameda and surrounding areas.


Rex Key & Security’s 8 mobile units bring commercial, home and automotive locksmith services to you, 24 hours a day, 7 days a week. Our services are fully insured and provide vehicle, commercial and residential lockout services in accordance to all applicable laws and codes in California.

Rex Key & Security provides locksmith services to the following communities in the East Bay Area and their adjacent areas:






San Leandro




Whether you’ve been locked out of your home in Richmond or need a locksmith in Oakland to get you back into your car, call Rex Key & Security at 1-800-739-5937.

We’ve been in business for almost 100 years – that’s a track record you can trust.