Over 20 years of experience serving the greater Boston, MA. Mobile Locksmith Squad is licensed, bonded & insured. We use top-of-the-notch equipment for fast and reliable results. Residential Locksmith services in greater Boston, MA includes Door knob replacement, Key duplication Deadbolt service, House Lock-out, Broken key extraction, Lock change, High-security keys, Master Key System, Mailbox lock change. Automotive Locksmith Services... Read More about Mobile Locksmith Squad