24 Hour Locksmith Service in the East Bay Area:

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Angie's List Super Service Award Winner
Locksmiths in
San Francisco/San Jose

Berkeley Locksmith and Security Systems Service

Rex Key and Security is a Berkeley locksmith shop with a leading full line service center of physical security hardware. Products designed for the security systems and locksmith needs of commercial, automotive, institutional, industrial and residential markets such as door closers, locksets, exit devices, security key systems, electronic access control systems and supplemental hardware. The broad Rex Key product lines and extensive field and installation experience ensures finding the right product for each security need and situation.

Extensive Product Knowledge

At our Berkeley locksmith shop we believe in constant training from proper installation applications to servicing and maintaining existing hardware and electronics. Through our network of manufacturers, distributors and Security Solutions locksmiths nationwide, we can find the right product or solve an existing problem.

Field Experience

Having almost 100 years of experience in providing locksmith services under our belts, thousands of customers can attest to our capabilities.

Over the past ten decades, we have:

  • Cut thousands of keys
  • Opened locks
  • Made keys to cars, Motorcycles, Homes, Countless Locks
  • fixed & repaired countless locks
  • developed & installed master key systems, electronic locking systems, and high security keying systems
  • installed & worked with virtually every security product available.

Combine all this field experience with industry testing & certifications, and you have qualified professional Berkeley locksmiths ready to meet all of your security needs.


Rex Key & Security has put together a team of security experts who have been involved in the industry since the early 70s. We know what will work and where it will work. We can solve virtually any service problem from lost keys to managing the most intricate master key system.

For detailed information about Rex Key’s locksmith services, visit one of the links below:

Home Security
Commercial Security Services
Automotive Security
Berkeley Locksmith and Security
Huge Selection of HardwareRex Key & Security is Berkeley’s most complete locksmith and security company since 1910. We provide superior automotive, residential and commercial locksmith and security services. Our 8 Mobile Units and top notch technicians are here to help you with any security needs you have. Our retail store at 1908 University Ave. in Berkeley is also full service, including small welding jobs.
Lock Hardware Products
and Locksmith Services
We even have obscure keysRex Key & Security carries a wide selection of lock hardware products and can locate even the most seemingly obscure key. We’re big enough to meet your every need but we’re small enough to give you personalized attention. Rex Key is a company you can trust – our Berkeley security and locksmith services have been relied on since 1910.
Recent Clients
Recent ClientsAT&T
Bank of America
City of Berkeley