Jack Key Masters

24/7 Emergency Lockout Service:  617-674-2434

24 HR Lockouts

No matter where you are located or what you need to get into, give us a call 24/7/365!

Residential Srvc

Lockouts, Rekeys, Mailboxes, Child Locks, High Security Doors & Locks, Key Extraction

Commercial Srvc

Lockouts, Office Rekey, Mortise Locks, Specialty Doors & Locks, Sales, Service, & Installations

Industrial Srvc

Lockouts, Lock Changes, Biometric, Mechanical, Electrical Combo Locks, Sales & Service

Automotive Srvc

Lockouts, New Keys Made, Duplicate Keys Made, Extraction, Remotes, Ignitions

Safe Srvc

Lockouts, Reset Combos (if available), New Sales, Service & Installation, Moving

Jack Key Masters is the best locksmith service choice in your area. We at Jack Key Masters provide friendly locksmith service, with the best locksmith quality, cheap locksmith prices, and affordable locksmith rates. Our highly trained technicians are equipt with the latest modern technology to meet all of your locksmith residential, Commercial, and automotive needs. We provide customer solutions to all of their locksmith problems to meet their unique requirements. Wether you are moving to a new home, moving to a new office, lost your keys, or just need to unlock your car door. Call your local Jack Key Master, taking calls 24 hours a day, 7 days a week, and we will be there shortly!

100% CUSTOMER SATISFACTION GUARANTEED!!!


We take pride in our friendly, affordable, top quality locksmith services for all of your residential, commercial, and automotive needs. We make it a priority to be at your location as quickly as possible to help you with your locksmith problems. Jacks Key Masters take emergency lockout service calls 24 hours a day, 7 days a week. Call us today to schedule an appointment. 617-674-2434

Jack Key Masters     22 Mount Auburn Watertown, MA 02472     Phone: 617-674-2434