Boston

The 14 best 24-hour locksmiths in Boston

A 24-hour locksmith in Boston can help when you are locked out, dealing with a broken lock, or facing an urgent issue with a home, vehicle, or business. The best match depends on the type of lock, the location, and whether you need entry, repair, or a security upgrade.

Before authorizing work, describe the situation clearly and confirm arrival expectations, service scope, and any parts required. For cars, ask specifically about key programming or fob replacement; for properties, explain whether rekeying or installation is needed.

How this guide is ordered

Options are ordered by the specific emergencies and security tasks they cover, including residential, commercial, and automotive work, unusual locks, rekeying, key programming, and replacement or repair needs. Some eligible businesses may purchase enhanced visibility, which can influence their placement.

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Boston's leading emergency locksmiths

Open each listing to see services, location, and contact details.

All In One Locksmith Inc.

4.9359 reviews

Urgent lockouts and broken locks

AN Lock LLC

5183 reviews

Urgent home, business, or vehicle lockoutsCar-key programming and key-fob replacement

Associated Key & Lock

5170 reviews

Emergency residential and commercial lockoutsOlder, antique, or unusual locks

Ranking

Compare 14 24-hour locksmiths in Boston

All In One Locksmith Inc.

4.9359 reviews

50-56 Broadlawn Park #517, Chestnut Hill, MA 02467, United States

Best for

Urgent lockouts and broken locks

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.

AN Lock LLC

5183 reviews

Best for

Urgent home, business, or vehicle lockoutsCar-key programming and key-fob replacement

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

5170 reviews

37 Court St, Plymouth, MA 02360, United States

Best for

Emergency residential and commercial lockoutsOlder, antique, or unusual locks

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.

Mayflower Locksmith & Doors

4.8294 reviews

Best for

Urgent lockouts and door security repairs

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.

Mohawk Lock & Key

4.8139 reviews

209 Lunenburg St unit 2, Fitchburg, MA 01420, United States

Best for

Car keys, fobs, and roadside lockouts

Mohawk Lock & Key is a family-owned mobile locksmith serving Boston and nearby communities, with particular strength in automotive assistance. The team handles vehicle lockouts, replacement keys, key fob programming, rekeying, ignition-related work, and emergency access without requiring a trip to a dealership.

Fast dispatch and direct communication are central to the service. Automotive jobs can include opening a locked vehicle, making a manual key, replacing a damaged fob, or programming a working replacement. The approach is practical and reassuring, with clear arrival estimates, courteous technicians, and pricing that can compare favorably with dealership alternatives.

What stands out

Residential, commercial, and automotive locksmith work

Schloss Lock

551 reviews

2 Columbia St, Ayer, MA 01432, United States

Best for

Whole-home rekeyingBusiness lock installation and repair

Schloss Lock handles residential, commercial, and automotive locksmith work in Boston, including rekeying, lock installation, repairs, broken-key extraction, duplication, and lockout assistance. Mobile help is available for urgent situations, while scheduled visits suit broader security updates.

The service is particularly attentive to the details of a finished job. Technicians have corrected misaligned hinges, fixed improperly installed doorknobs, reviewed completed locks with property owners, and provided upfront recommendations. Clear communication, prompt scheduling, efficient work, and reasonable quotes make Schloss Lock a strong fit for homes, businesses, and vehicle access problems.

Finest Locksmith Newton - Residential, Commercial & Emergency Locksmith

What stands out

Residential, commercial, and emergency locksmith service

Finest Locksmith Newton - Residential, Commercial & Emergency Locksmith

535 reviews

Best for

Lock replacements and household security updates

Finest Locksmith provides residential, commercial, and emergency locksmith services in Boston. The team handles lock installation, replacement, repairs, and urgent access problems, with technicians prepared to quote on site and complete much of the work during the same visit.

Prompt communication and tidy execution are recurring strengths. Technicians have arrived quickly for mortise-lock problems, returned with ordered parts when needed, and addressed sticking or loose hardware carefully. The service is also a good match for property owners seeking practical security advice alongside efficient, respectful workmanship.

BBoston

Barrett's Locksmith

529 reviews

190 N Main St rear, Middleborough, MA 02346, United States

Best for

Home lock upgradesCommercial lock replacement

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

4.933 reviews

71 B, Rosedale Rd, Watertown, MA 02472, United States

Best for

Urgent home and business lockoutsCar keys and fob programming

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.

#10

Boston Security Pros

4.832 reviews

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.

CBoston

#11

Car Key Replacement Boston

550 reviews

28 Damrell St, Boston, MA 02127, United States

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.

#12

Secure Lock and Alarm

510 reviews

52 1/2 Bridge St, Beverly, MA 01915, United States

Best for

Commercial access controlResidential lock upgrades

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.

#13

KeyMe Locksmiths

4.129 reviews

730 Morrissey Blvd, Dorchester, MA 02122, United States

Best for

Quick spare-key and fob copies

KeyMe Locksmiths provides key duplication in Boston through convenient self-service access, with kiosk-based copies for standard keys and key fobs. The service is designed for quick, straightforward replacements, while mobile locksmith support is available for home, vehicle, or business lockouts.

The kiosk format is useful when a spare key is needed outside a traditional shop visit: copies can be produced in minutes, and working fob duplication is also available. For more complex lockouts or vehicle access problems, KeyMe connects customers with on-site technicians who use specialized tools and can address additional key replacement or programming needs.

#14

KeyMe Locksmiths

4.48 reviews

566 Dorchester Ave, Boston, MA 02127, United States

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.

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Map and areas

Map of 24-hour locksmiths in Boston

The selection includes providers for urgent situations across home, business, and vehicle settings, with some services associated with nearby areas such as Newton. Coverage differs by locksmith, so the closest option is not always the best technical match.

Use the map to compare travel distance with the service required. A roadside lockout, antique lock, whole-home rekey, and commercial installation each call for different equipment and experience, so confirm coverage before dispatch.

Use it alongside the full selection: location, travel time, and nearby alternatives often affect the final decision.

Locksmith services to compare

Emergency lockoutsHelp with urgent home, business, or vehicle access problems, including broken-lock situations.
Car keys and fobsAutomotive support for key programming, key-fob replacement, and roadside lockouts.
Residential lock repairsRepair, replacement, and security updates for household doors and locks.
Commercial lock workBusiness lock installation, repair, replacement, and broader access-security needs.
Whole-home rekeyingA practical option when several household locks need to be adjusted to a new key.
Unusual lock serviceAssistance with older, antique, or otherwise unusual locks that may require specialized handling.
Door security repairsUrgent repairs and upgrades when a door or lock is damaged or no longer provides suitable security.

How to choose a 24-hour locksmith

State whether the emergency involves a home, business, vehicle, or roadside location.
Describe the lock type and whether the key is lost, broken, jammed, or unavailable.
For a car, confirm key programming, fob replacement, and vehicle compatibility.
Ask whether the locksmith handles antique, unusual, commercial, or high-security locks.
Request an explanation of the work and parts needed before authorizing repairs.
For rekeying or upgrades, clarify how many doors or locks are included in the visit.

Frequently asked questions

What should I do first during a lockout?

Call a locksmith that handles the relevant setting and explain whether you are outside a home, business, or vehicle. Share the lock type, your location, and any safety concern, then confirm expected arrival and the scope of the service before work begins.

Can a 24-hour locksmith program a car key?

Some providers specifically handle car-key programming and key-fob replacement, including AN Lock and Mohawk Lock & Key. Ask for confirmation based on your vehicle make, model, and year, and check whether a replacement key or fob is available.

Which locksmiths handle business locks?

Schloss Lock and Barrett's Locksmith are associated with commercial lock installation or replacement, while several others cover business lockouts and repairs. Explain the access problem and the type of door or lock so the provider can confirm the appropriate service.

Can a locksmith work on an antique or unusual lock?

Associated Key & Lock specifically addresses older, antique, or unusual locks. Send a clear description or photo if requested, and ask whether the goal is non-destructive entry, repair, replacement, or preserving the existing hardware.

When is whole-home rekeying useful?

Whole-home rekeying can make sense after a move, a lost key, or a change in household or staff access. Ask how many locks can be included, whether existing hardware can be retained, and what new-key arrangement will be provided.

The 14 best 24-hour locksmiths in Boston

Boston's leading emergency locksmiths

Compare 14 24-hour locksmiths in Boston

Do you run a business?

Map of 24-hour locksmiths in Boston

Locksmith services to compare

How to choose a 24-hour locksmith

Frequently asked questions

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