About Us

Honest. Dependable. Knowledgeable. Since 1910
Rex Key & Security is a Berkeley Locksmith company specializing in home and commercial security services.
Residents and business owners have been turning to Rex Key & Security for their locksmith and home security needs in Berkeley and Oakland for a century! One hundred years ago, we opened our doors as a single person locksmith service for the East Bay area. Today we still have our shop, located at 1908 University Avenue but as the area has grown, so have we.
Owned by Joe Towbis since 1987, Rex Key & Security is A+ rated by the Better Business Bureau and has eight mobile units serving the following neighborhoods in the East Bay Area: Berkeley, Oakland, Alameda, Richmond, Piedmont and San Leandro and adjacent areas. Our top notch technicians can help with any security needs you have, whether it be for home security, automotive, or commercial.
Advanced technology, exceptional customer service and quality people are the hallmarks of Rex Key & Security, a nationally recognized locksmith security company in Berkeley with one of the finest reputations in the industry.
Founded in 1910, Rex Key & Security serves Fortune 500 companies, as well as mid-sized and smaller commercial and institutional clients that need to protect personnel, secure physical assets, control access, reduce potential liability, and implement an effective risk management system.
Rex Key and Security experts are known throughout the Bay Area for our broad industry knowledge and 24/7 customer support.
Lock or key, safe or car, remote surveillance or close circuit camera – rely on Rex Key & Security
There’s no lock too old or too new, no security system too archaic or too sophisticated, no door too heavy or too complicated for this Berkeley locksmith company to handle! Our services range from locksmith and home security to commercial security services.
Serving Berkeley, Oakland, Richmond and surrounding areas.