24/7 Reliable On-Call 
Service Center
24/7 Reliable On-Call 
Service Center
Call To Request Your Free Estimate
24/7 Reliable On-Call Service Center
Call To Request Your Free Estimate

Commercial & Industrial 
Home Security and Locksmith Experts

For over 60 years, A-A Lock & Alarm Inc has provided families and businesses in greater San Jose and Menlo Park and the entire Bay Area peace of mind through comprehensive security systems and high-tech safety measures. With locations in downtown San Jose, Menlo Park and the entire Bay Area, With multiple locations, we deliver the very best in alarm system installation, emergency locksmith services, keyless access systems, video surveillance monitoring and more. Don’t trust your safety to any old security company; leave it to the team that has been surpassing other security companies for over six decades. Call us today at 800-422-5625 to learn more about our products and services. Ask us how we can lower your homeowner’s or renter’s insurance premiums too! 
Mobile Connect with Security Camera — Menlo Park, CA — A A Lock And Alarm

How We Are Different From Our Competitors

  • Thorough Understanding And Experience In Providing Solutions For A Wide Range Of Security Applications.
  • 30 Technicians On Staff, Background Checked And With Years Of Experience
  • Extensive List Of Competencies Including:
  • Residential And Commercial Systems Of All Types
  • Electronic Access
  • Safes
  • Keys
  • Hardware
  • Pushbutton Locks
  • Mortise Locks
  • Cylindrical Locks

How We Are Different From Our Competitors

  • Thorough Understanding And Experience In Providing Solutions For A Wide Range Of Security Applications.
  • 30 Technicians On Staff, Background Checked And With Years Of Experience
  • Extensive List Of Competencies Including:
  • Residential And Commercial Systems Of All Types
  • Electronic Access
  • Safes
  • Keys
  • Hardware
  • Pushbutton Locks
  • Mortise Locks
  • Cylindrical Locks
  • Access Control Networks
  • Electric Strike Releases
  • Latches
  • Deadbolts
  • Federal Prisons Cert. License
  • And More
  • Strong Commitments And Long-Term Relationships With Our Customers
  • 32-Vehicle Fleet
  • Two Convenient Bay Area Retail Locations To Serve You
  • State-Of-The-Art Equipment
  • Access Control Networks
  • Electric Strike Releases
  • Latches
  • Deadbolts
  • Federal Prisons Cert. License
  • And More
  • Strong Commitments And Long-Term Relationships With Our Customers
  • 32-Vehicle Fleet
  • Two Convenient Bay Area Retail Locations To Serve You
  • State-Of-The-Art Equipment