Pro Business

MJ Lock and Key

Nashville Locksmiths
Ranked #6 in Nashville | Grade B+
4.80 (405 reviews)

MJ Lock and Key

Locksmith shop and mobile service providing automotive, residential, and commercial solutions across Greater Nashville from a Mt. Juliet base. Known for clear communication and timely service.

Why Homeowners Choose This Business

Local coverage with a shop presence and mobile service, consistent communication about pricing and options, and installers who focus on resolving issues on the first visit. Hours start early on weekdays to help with time-sensitive needs.

Service Area

Serving Mt. Juliet, Nashville, Hermitage, Old Hickory, Donelson, Lebanon, and nearby communities.


How This Business Compares

A quick local comparison based on ranking, review strength, and market visibility.
  • Performs at or above the local average for Google rating.
  • Shows strong customer satisfaction signals based on review quality and volume.

Services Covered

  Locksmith Services
  Service
  automotive locksmith
  Commercial Service
  car key programming
  Residential Service
  Installations
  key fob replacement
  Ignition lock repair
  Repairs
  motorcycle key replacement
  residential rekey
  deadbolt installation
  commercial rekey
  master key systems
  door lock repair
  key duplication
  access control basics

Automotive key cutting and programming, key fob services, ignition and door lock repair and replacement, residential rekey and lock installation, commercial rekey and master keying, lock repair, and key duplication.


Recent Reviews

4.80

(Based on 405 reviews)

Recent reviews highlight fast response, upfront pricing, and clear explanations of repair or replacement options. Many customers mention successful fixes after other shops could not complete the work. Automotive services such as key fobs, ignition cylinders, and lost motorcycle keys are frequently cited. Overall sentiment emphasizes professionalism and timely completion.

Google Review
bag johnson on MJ Lock and Key

I heard a very good first hand account of their service. I just wanted to take the time to write about it. Customer satisfaction and thoroughly explaining options.

Google Review
Tristan Greer on MJ Lock and Key

These guys came and fixed somebody else’s mess. I’m not gonna say the company, but I am grateful for the real professionals. Five stars will give it 10 if I could. Awesome service at a speedy time

Google Review
Stacie Moore on MJ Lock and Key

Absolutely wonderful service. I got stranded at my sister's house when my ignition lock cylinder decided to go out. After being stood up by another locksmith, I searched google and found MJ Lock and Key. Matt gave me upfront pricing on the phone and came out within about an hour. He worked quickly (in the freezing cold!) to replace the ignition lock cylinder and also the door lock cylinder which had gone out a few months prior. He had me up and running in no time, and the price was very reasonable. I'll definitely use MJ Lock and Key for any locksmith needs I have in the future, and recommend that you do too!

Google Review
R Anon on MJ Lock and Key

Wonderful and helpful staff, fast, and affordable! I needed my key fob reshelled and received immediate service. Even the waiting room is fantastic! I hope to not need a Locksmith very often, but I like them so much I programmed them into my phone in the event that I do. I know a few people who need a LocksmithAnd will let them know as well. Thank you so much MJ Locksmith!

Google Review
Logan Beadle on MJ Lock and Key

I called MJ lock and key about 2 weeks ago because I lost keys to my motorcycle. They came out that same day and attempted to make a key for it. Due to the complicated nature of the key that needed made it wasn’t able to be completed on the spot however they were kind enough to pick my lock so that I could ride it home in the meantime. I then proceeded to go to 3 different locksmith companies that also could not make a key for it. I then proceeded to contact MJ lock and key again and they went above and beyond ordering a proper key blank and going so far as to send it to me out of state for no additional cost saving me well over a thousand dollars on a whole new ignition system. I can’t begin to say how happy I am with the customer service and the dedication to making sure that I got taken care of even well after the initial call and payment. I would 100% use these guys again



Frequently Asked Questions

Services include automotive key cutting and programming, key fob replacement, ignition and door lock repair, residential rekey and lock installation, and commercial rekey and master key systems. The team can help with both in-shop and mobile appointments depending on the job.

Arrival times vary by location and workload, but service is often scheduled the same day for nearby areas. Calling with your address and issue helps provide a more accurate timeframe.

Automotive work such as programming key fobs and replacing ignition or door lock cylinders is a regular part of the service. Availability may depend on the vehicle’s make, model, and key system.

Yes, pricing is typically discussed by phone before dispatch or in-shop work. Final costs depend on the specific lock, key type, and any parts required for the repair.

Weekday hours are generally 6:00 AM to 8:00 PM, with Saturday availability and Sunday closed. Calling ahead is recommended to confirm current hours and appointment times.
 Verified Listing

Opening Hours


  • Monday 6:00 AM – 8:00 PM
  • Tuesday 6:00 AM – 8:00 PM
  • Wednesday 6:00 AM – 8:00 PM
  • Thursday 6:00 AM – 8:00 PM
  • Friday 6:00 AM – 8:00 PM
  • Saturday 8:00 AM – 4:00 PM
  • Sunday Closed

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Business Details


Business Rating
4.80 (405 reviews) Pro Business
Address
12008 Lebanon Rd, Mt. Juliet, TN 37122, USA, Mt. Juliet, TN 37122, US
Business Type
locksmith

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