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TRUSTED BY GRANBY, MA HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon26
    Verified locksmith services reviews

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MM Discount Locksmith, LLC

4.71(
36
)
•Approved Pro

MM Discount Locksmith, LLC

4.71(
36
)
•Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
76 local quotes requested

We are a locally owned and operated company, that values honesty and integrity, and treats your home as if it were our own. We offer a variety of locksmith services, that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships, and guarantee your satisfaction!

"Got locked out of my home on a weekend, so I was pleasantly surprised at how quickly they responded to my request. Arrived within an hour and got me back in my house within 10 minutes of getting here. Mo was friendly and I’ll give them a call if I ever get myself in this situation again. Thank you!"

Annette M on July 2025

We are a locally owned and operated company, that values honesty and integrity, and treats your home as if it were our own. We offer a variety of locksmith services, that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships, and guarantee your satisfaction!

"Got locked out of my home on a weekend, so I was pleasantly surprised at how quickly they responded to my request. Arrived within an hour and got me back in my house within 10 minutes of getting here. Mo was friendly and I’ll give them a call if I ever get myself in this situation again. Thank you!"

Annette M on July 2025

Avatar for Agawam MA Locksmith Store

Agawam MA Locksmith Store

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Agawam MA Locksmith Store

No reviews yet
32 years of experience

Agawam MA Locksmith Store are a full service Locksmith Company, Who proudly provides Residential Commercial and Automotive and Emergency Service 24 hours in Agawam, MA.

Agawam MA Locksmith Store are a full service Locksmith Company, Who proudly provides Residential Commercial and Automotive and Emergency Service 24 hours in Agawam, MA.

Avatar for Memorial Square MA Locksmith Store

Memorial Square MA Locksmith Store

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Memorial Square MA Locksmith Store

No reviews yet
37 years of experience

At Memorial Square MA Locksmith Store our promise to you and this great community is a great Locksmith Service in Memorial Square, MA. We offer Locksmith Service at any time 24 hours.

At Memorial Square MA Locksmith Store our promise to you and this great community is a great Locksmith Service in Memorial Square, MA. We offer Locksmith Service at any time 24 hours.

Avatar for Metro Center MA Locksmith Store

Metro Center MA Locksmith Store

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Metro Center MA Locksmith Store

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37 years of experience

At Metro Center MA Locksmith Store our promise to you and this great community is a great Locksmith Service in Metro Center, MA. We offer Locksmith Service at any time 24 hours.

At Metro Center MA Locksmith Store our promise to you and this great community is a great Locksmith Service in Metro Center, MA. We offer Locksmith Service at any time 24 hours.

Avatar for Bay MA Locksmith Store

Bay MA Locksmith Store

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Bay MA Locksmith Store

No reviews yet
37 years of experience

Bay MA Locksmith Store provides a range of Locks and keys solutions for your Home, Business or vehicle at fair prices. Bay, MA Locksmith Service.

Bay MA Locksmith Store provides a range of Locks and keys solutions for your Home, Business or vehicle at fair prices. Bay, MA Locksmith Service.

Avatar for Maple High Six Corners MA Locksmith

Maple High Six Corners MA Locksmith

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Maple High Six Corners MA Locksmith

No reviews yet
37 years of experience

Maple High Six Corners MA Locksmith are a full service Locksmith Company, Who proudly provides Residential Commercial and Automotive and Emergency Service 24 hours in Maple High Six Corners, MA.

Maple High Six Corners MA Locksmith are a full service Locksmith Company, Who proudly provides Residential Commercial and Automotive and Emergency Service 24 hours in Maple High Six Corners, MA.

Avatar for Upper Hill MA Locksmith Store

Upper Hill MA Locksmith Store

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Upper Hill MA Locksmith Store

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37 years of experience

We are a Local Locksmith Company that provides locksmith service in Upper Hill, MA. We offer our Locksmith service 24 hours a day and 7 days a week to those in need of our assistance.

We are a Local Locksmith Company that provides locksmith service in Upper Hill, MA. We offer our Locksmith service 24 hours a day and 7 days a week to those in need of our assistance.

Avatar for Boston Road MA Locksmith Store

Boston Road MA Locksmith Store

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Boston Road MA Locksmith Store

No reviews yet
37 years of experience

Boston Road MA Locksmith Store are a full service Locksmith Company, Who proudly provides Residential Commercial and Automotive and Emergency Service 24 hours in Boston Road, MA.

Boston Road MA Locksmith Store are a full service Locksmith Company, Who proudly provides Residential Commercial and Automotive and Emergency Service 24 hours in Boston Road, MA.

Showing 1-10 of 30
Locksmiths questions, answered by experts

Changing door locks is a task that most homeowners can accomplish on their own. Standard door knobs are quite straightforward, and even more advanced locks, like electronic or smart locks, generally come with instructions. That said, the process can be time-consuming, especially if you plan to replace multiple locks around the house. It’s also a task that you want to complete correctly, considering that it affects the security of your house. That’s why hiring a pro is often best when changing your door locks.

Expect to pay between $50 to $200 if you hire a locksmith to change your locks. That figure includes labor and the cost of basic hardware. The cost will naturally be higher if you plan to install more expensive locks, like smart locks, and if you need a lot of them.

Homeowners can save money by replacing locks themselves. A typical rekeying kit costs about $10 to $25. The only additional cost is purchasing new house keys, and those are no more than a few dollars per key. If you want to replace the locks on your own completely, the main cost is the price of the locks themselves. A standard knob-style lock starts around $25, while electronic locks and smart locks will run in the hundreds of dollars. The only additional tools you should need are a tape measure, screwdriver, and screws if they are not already provided.

As with any computer, smart locks can be hacked by someone with the technical skills to do so, but most people do not have that ability, making smart locks relatively safe. If you have any concerns about a compromised smart lock, opt for an encrypted smart lock, change your Wi-Fi password, and make sure that you only give out your password to trusted family and friends.

Various types of deadbolts are available, from the classic single-cylinder lock to a double-cylinder, rim deadbolt, smart deadbolt, and electronic deadbolt lock. Most homes in the U.S. use a single-cylinder deadbolt lock, which requires a key on the exterior and only a thumb turn on the interior to open or close the lock. 

Rekeying a lock is less expensive than replacing the whole unit. The cost to rekey is about $50 to $100 when you hire a pro or as little as $10 if you DIY. The cost to change a lock is $130 to $500, depending on the hardware you select.

The Granby, MA homeowners’ guide to locksmith services

From average costs to expert advice, get all the answers you need to get your job done.

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