14 Best 24-Hour Locksmiths in Boston

AN Lock LLC serves Boston, Malden, and the Greater Boston area with emergency locksmith support for homes, businesses, and vehicles. Services include lockouts, lock repair, key duplication, rekeying, lock installation, automotive key programming, and key-fob replacement.

The company’s strongest practical advantage is rapid response, with technicians prepared for urgent calls and able to recommend the most suitable repair or replacement. Its service is available to residential, commercial, and automotive customers, including LGBTQ+ clients seeking an inclusive provider.

Associated Key & Lock is a mobile locksmith serving Boston and the surrounding area with residential, commercial, automotive, safe, and vault services. Emergency lockouts, rekeying, lock repair, installations, deadbolts, high-security systems, and master-key systems are all part of its service range.

The business brings a hands-on, careful approach to unusual lock and key problems, including older hardware and antique locks. Its long-standing workshop also has a distinctive key and lock collection, while mobile service allows technicians to come directly to homes, businesses, or vehicles when assistance is needed.

All In One Locksmith Inc. provides emergency, residential, commercial, and automotive locksmith services in Boston and across Massachusetts. The team handles lockouts, broken locks, rekeying, lock installation, door hardware issues, and car-key assistance, with on-site service for homes, businesses, and vehicles.

Fast arrival, clear explanations, careful inspection, and tidy workmanship are central to the service. Technicians present repair options before starting, use damage-conscious entry methods, and provide upfront pricing. The company also supports security upgrades ranging from standard locks to digital systems, tailoring recommendations to the property and budget.

Mayflower Locksmith & Doors provides locksmith assistance in Boston, with a focus on lock repairs, replacements, emergency entry, key services, and door-related work. Its mobile approach is geared toward helping at homes, businesses, vehicles, safes, and other secured spaces.

The service stands out for prompt responses, organized appointments, and careful workmanship. Emergency visits have included late-night lockouts, business access problems, safe opening, and complete lock replacement. For larger projects, the team also handles residential and commercial security needs, including electronic locks and garage door services.

Car Key Replacement Boston handles automotive repair work in Boston, including ignition-switch repairs, smart-key changes, transponder-key programming, and vehicle lock installation.

The service stands out for fast arrival, straightforward communication, professional workmanship, and a friendly manner. Transponder programming has been completed in about 10 minutes, while ignition repairs have been carried out promptly and efficiently.

Barrett's Locksmith focuses on practical residential and commercial lock work in Boston, from replacing a business lock to installing deadbolts, changing cylinders, and arranging one-key access across multiple doors.

The work is notably efficient: straightforward installations and lock changes have been completed in a single visit, often with helpful advice about other access points. Communication is direct, pricing is described as reasonable, and emergency calls receive a calm, considerate response. It suits homeowners and businesses that want a clean, uncomplicated fix without a drawn-out process.

SherlockLock offers emergency locksmith assistance across Greater Boston, covering residential, commercial, and automotive needs. Services include lockouts, rekeying, lock repair, replacement keys, car-key programming, and key fob creation, with mobile response for problems at home, work, or on the road.

The service combines speed with a patient, explanatory approach. Technicians have handled difficult broken locks, cold-weather apartment lockouts, business access emergencies, and vehicle key programming while keeping customers informed throughout the job. SherlockLock is especially useful when the situation is stressful and the work requires persistence, careful tools, and a clear explanation of the solution.

Boston Security Pros provides locksmith service in Boston for everyday lock failures and urgent access problems. The team has handled stuck front-door locks promptly, restored access efficiently, and completed work with a professional, composed approach.

It is a sensible option when a lock suddenly stops working and the priority is a fast resolution at a reasonable cost. The service also suits homeowners and businesses seeking dependable lock repairs or replacements from technicians who explain the work clearly and take pride in a tidy finish.

Secure Lock and Alarm provides locksmith and property-security services in Boston, supporting both homes and businesses. Its work includes lockouts, rekeying, lock repairs, key replacements, deadbolts, and antique-lock service, alongside access control, keyless entry, video surveillance, and alarm systems.

The business is well suited to projects that need more than a single lock change. Technicians take time to understand the problem, provide detailed quotes, and address difficult hardware with practical repairs when replacement is unnecessary. That broader security perspective makes it useful for commercial doors, residential upgrades, and coordinated property protection.

KeyMe Locksmiths offers quick key duplication in Boston through a self-service kiosk inside a 7-Eleven. Standard key copies can be produced in about two minutes, and the same format also supports selected key fob copies.

For more involved situations, the brand connects customers with mobile locksmiths for home, vehicle, and business lockouts. The kiosk is most useful for a simple spare key when convenience matters; complex access problems require the separate on-site service rather than the machine alone.