240 Bedford Street, Lexington, MA 02420 Mon–Fri 8:30–5 · Sat 9–1
Locksmiths in Lexington since 1982

Trusted security for your home, car and valuables.

A locally-owned, family-operated locksmith shop on Bedford Street. Stop by, give Bob a call, or have our mobile van come to you — we'll take care of it.

Proud Member of
Associated Locksmiths of America (ALOA) member Massachusetts Locksmith Association member
Bob O'Keefe, owner of Lexington Lock Service
Meet the owner

Bob O'Keefe has been securing Lexington homes since 1982.

A Registered Locksmith, Massachusetts Licensed Construction Supervisor, registered home-improvement contractor, and Certified Fire Prevention Officer with the Massachusetts Department of Fire Services. Bob brings deep knowledge of door hardware and life-safety code — including ADA requirements — to every job, residential or commercial.

Read Bob's story

Why neighbors call us

Locally owned. Fully stocked. On the road when you need us.

  • Cut & programmed on siteMost transponder and chip keys done while you wait — no dealership wait, no dealership price.
  • Mobile service vanCan't come to us? A stocked van and service tech can come to your home, business, or vehicle.
  • Fully stocked showroomSafes, deadbolts, decorative hardware, automotive keys — see, touch, and choose before you buy.
  • Code-aware installsLife-safety and ADA-compliant hardware installed by a Certified Fire Prevention Officer.
  • Re-key while you waitJust bought a house? We can re-key most locks in the store the same day.
  • Master-key systemsFrom a small business to a multi-building condo complex — we design, document, and maintain it.

Locked out, or ready to upgrade?

Pick up the phone. Bob picks up the phone.