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


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

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