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AA Lock has built a reputation on providing fast quality service when you need it most. 

General Info
A-A Lock & Alarm provides a full range of lock services, repairs and installations of safes, door hardware, automotive locks, access-control systems and electronic locks. The company features expertise in residential and commercial applications. Its capabilities include pushbutton, mortise and cylindrical locks. A-A Lock & Alarm operates a fleet of 25 vans from 4 locations throughout the Silicon Valley area of California. The company is skilled at key making and assists customers with lockouts. It has established relationships with various clients, such as Stanford University, IBM, First Republic Bank, Macromedia, CB Richard Ellis and American Express. A-A Lock & Alarm was established in 1957 and is based in Menlo Park, Calif.
BBB Rating
BBB Rating and Accreditation information may be delayed up to a week.
Regular Hours
Mon - Fri:
Sat - SunClosed
Extra Phones

Phone: (650) 326-9020


Locksmith Services and High Security Locks including Rekeys, Lock-outs, Repairs, Installation, Key Making and more

Residential and Commercial Security Systems 

Access Control Systems


AMSEC, Kwikset, Master, Medco, Meilink, National Weslock, Schlage, Simplex
Payment method
visa, master card, amex, discover, check, cash
Downtown Menlo Park

Better Business Bureau


AA Lock And Alarm

Locks & Locksmiths, Access Control Systems, Bank Equipment & Supplies, Door Closers & Checks, Door Repair, Locksmith Referral Service, Safes & Vaults, Safes & Vaults-Opening & Repairing, Security Control Systems & Monitoring, Security Equipment & Systems Consultants, Television Systems-Closed Circuit Telecasting


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