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  • Verified reviews icon67
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Find Locksmiths in Greenwich

Avatar for Guardian Protection

Guardian Protection

4.74(
2,120
)

Guardian Protection

4.74(
2,120
)
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

Protecting homes and businesses since 1950, Guardian Protection is one of the nation's largest and most highly regarded security companies. We provide smart technology, 24/7 professional monitoring, and peace of mind to hundreds of thousands of customers. Our products are installed by experts, monitored by real people, and truly make a difference. We do what we do because of one simple truth: life is better when it's safe.

"We hired Guardian to install our security system at our Washington, DC, business. The service and quality of the work was horrible. We had cameras and an alarm system installed; it was a relatively large system. They outsource most of the work to various vendors. They could not manage their vendors; what was supposed to take a week took two months. The sales rep did not return calls, and you could never get anyone in management on the phone. Random people would show up at unannounced times. The few things that an actual Guardian employee did were they made a huge mess of our newly remodeled office and were rude to our staff. We have offices in five markets across the US and have high security at each; we have never had such a poor experience."

William M on December 2024

Protecting homes and businesses since 1950, Guardian Protection is one of the nation's largest and most highly regarded security companies. We provide smart technology, 24/7 professional monitoring, and peace of mind to hundreds of thousands of customers. Our products are installed by experts, monitored by real people, and truly make a difference. We do what we do because of one simple truth: life is better when it's safe.

"We hired Guardian to install our security system at our Washington, DC, business. The service and quality of the work was horrible. We had cameras and an alarm system installed; it was a relatively large system. They outsource most of the work to various vendors. They could not manage their vendors; what was supposed to take a week took two months. The sales rep did not return calls, and you could never get anyone in management on the phone. Random people would show up at unannounced times. The few things that an actual Guardian employee did were they made a huge mess of our newly remodeled office and were rude to our staff. We have offices in five markets across the US and have high security at each; we have never had such a poor experience."

William M on December 2024

Lansdale Lock Shop

5.00(
35
)

Lansdale Lock Shop

5.00(
35
)
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

17 years experience serving Montgomery and Bucks counties. Personalized service,listed phone number is answered by professional locksmith 24 hours a day.Competitive prices on all services.I offer the highest quality security products for your home and business.

"The work went very well - the issue was fixed in a matter of minutes"

Michael Q on September 2018

17 years experience serving Montgomery and Bucks counties. Personalized service,listed phone number is answered by professional locksmith 24 hours a day.Competitive prices on all services.I offer the highest quality security products for your home and business.

"The work went very well - the issue was fixed in a matter of minutes"

Michael Q on September 2018

Around The Clock Locksmith

5.00(
10
)

Around The Clock Locksmith

5.00(
10
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

24 Hour Emergency Locksmith Services specializing in auto and home lockouts. We provide residential and commercial lockout services, lock installation, repair and upgrades. Fast, reliable and dependable service.

"I had called another company who said their technician would be contacting me. 25 mins later I called Joe who was at my house and had the job done in half the time. Professional, efficient, and well worth the price."

Karen K on August 2022

24 Hour Emergency Locksmith Services specializing in auto and home lockouts. We provide residential and commercial lockout services, lock installation, repair and upgrades. Fast, reliable and dependable service.

"I had called another company who said their technician would be contacting me. 25 mins later I called Joe who was at my house and had the job done in half the time. Professional, efficient, and well worth the price."

Karen K on August 2022

Avatar for American Best Locksmith

American Best Locksmith

4.39(
31
)

American Best Locksmith

4.39(
31
)
Customers say: Quality work
21 years of experience

American Best Locksmith is a professional mobile locksmith that brings a wide range of locksmith services to your front door, 24/7. Our technicians perform automotive, commercial and residential services daily. Cost is determined by job.

"Replacement/Installation went well. Mike showed up on time, discussed"

Mr. J on December 2018

American Best Locksmith is a professional mobile locksmith that brings a wide range of locksmith services to your front door, 24/7. Our technicians perform automotive, commercial and residential services daily. Cost is determined by job.

"Replacement/Installation went well. Mike showed up on time, discussed"

Mr. J on December 2018

Avatar for BucksLocks

BucksLocks

5.00(
7
)

BucksLocks

5.00(
7
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

BucksLocks is based out of Newtown PA and provides professional Locksmith services to the residents of Newtown and it’s surrounding suburbs. Our locksmith services include commercial, automotive and residential locksmith. BucksLocks is a licensed and insured locksmith company that provides around the clock lockout services, lock installation, car key originating and duplication service. Call us anytime for a fast, reliable and professional Locksmith mobile local service. Yes, we are available 24 hours a day 7 days a week.

"Service done in a timely fashion. Price was reasonable. Friendly technician."

Rachel S on December 2023

BucksLocks is based out of Newtown PA and provides professional Locksmith services to the residents of Newtown and it’s surrounding suburbs. Our locksmith services include commercial, automotive and residential locksmith. BucksLocks is a licensed and insured locksmith company that provides around the clock lockout services, lock installation, car key originating and duplication service. Call us anytime for a fast, reliable and professional Locksmith mobile local service. Yes, we are available 24 hours a day 7 days a week.

"Service done in a timely fashion. Price was reasonable. Friendly technician."

Rachel S on December 2023

Simple Fix Inc

4.65(
46
)

Simple Fix Inc

4.65(
46
)
Customers say: Quick response
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers

3 employees. No subs. Cost is determined by the job. Travel charges may applies. Service fee applies. After hours charge applies. May contact through email. Award winning.

3 employees. No subs. Cost is determined by the job. Travel charges may applies. Service fee applies. After hours charge applies. May contact through email. Award winning.

Avatar for YEARSLEY'S SERVICE LTD

YEARSLEY'S SERVICE LTD

5.00(
5
)

YEARSLEY'S SERVICE LTD

5.00(
5
)
Customers say: Quick response
89 years of experience

Yearsley's Service Ltd.

"Got a yearly lawnmower maintenance and tune up - sharpen blades, new filter, oil change, new spark plug, etc. It went very well."

James R on April 2018

Yearsley's Service Ltd.

"Got a yearly lawnmower maintenance and tune up - sharpen blades, new filter, oil change, new spark plug, etc. It went very well."

James R on April 2018

Avatar for 888 USA Lock LLC

888 USA Lock LLC

4.41(
27
)

888 USA Lock LLC

4.41(
27
)
Customers say: Quick response
37 years of experience

Locksmith company. 10% off military, seniors and new move- ins. Licensed, Bonded & insured. 25 years, family owned and operated. Service area covered: New jersey - All counties New York - 5 boro's, West Chester co, Rockland Co, Long Island, Pennyslvania - Philadelphia & suburbs, Delaware - New Castle Co, Maryland- Baltimore and suburbs, DC & N Virginia

Locksmith company. 10% off military, seniors and new move- ins. Licensed, Bonded & insured. 25 years, family owned and operated. Service area covered: New jersey - All counties New York - 5 boro's, West Chester co, Rockland Co, Long Island, Pennyslvania - Philadelphia & suburbs, Delaware - New Castle Co, Maryland- Baltimore and suburbs, DC & N Virginia

Interstate Locks & Locksmiths

5.00(
6
)

Interstate Locks & Locksmiths

5.00(
6
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We are an experienced 24/7 locksmith service that will get to your location within minutes to solve any locksmith situation. Our company believes that the faster we get to you, the faster you can keep on with your day. Our goal is to have you satisfied and without any problems.

"My locksmith was named Ali. He showed up right away, was kind, courteous, and made sure I was satisfied with work before he left. Ali did an excellent job."

Wendy K on May 2020

We are an experienced 24/7 locksmith service that will get to your location within minutes to solve any locksmith situation. Our company believes that the faster we get to you, the faster you can keep on with your day. Our goal is to have you satisfied and without any problems.

"My locksmith was named Ali. He showed up right away, was kind, courteous, and made sure I was satisfied with work before he left. Ali did an excellent job."

Wendy K on May 2020

Warrington Alarm

5.00(
6
)

Warrington Alarm

5.00(
6
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We are a small family business providing quality installations and service for our customer for over 40 years. We do not sub-contract out our jobs. We are available 24 hours a day, 7 days a week. We look to provide a system for the needs of our customer that fits into their budget.

We are a small family business providing quality installations and service for our customer for over 40 years. We do not sub-contract out our jobs. We are available 24 hours a day, 7 days a week. We look to provide a system for the needs of our customer that fits into their budget.

...
Showing 1-10 of 280

Verified Reviews for Locksmith Service pros in Greenwich, NJ

*The Angi rating for Locksmith Service companies in Greenwich, NJ is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Locksmith Service needs.

*The HomeAdvisor rating for Locksmith Service companies in Greenwich, NJ is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Locksmith Service needs.

Last update on December 31, 2025

Locksmiths questions, answered by experts

There are several ways to add security to a sliding glass door. To start, install a rod or deadbolt lock instead of the flip-lock that comes standard with most sliding glass doors. Add a sensor to the door and monitor any activity through your home security system.

Finally, installing shatterproof window film will help keep the structural integrity of the glass if it cracks.

First thing first: Make sure you’re using the right key. If it’s the correct key for your lock, there are a few reasons why it may not be working, like the key is worn out or the lock is jammed. Try lubricating the lock and pushing the door closed to ensure the mechanisms work correctly. If you’re still locked out, call in for help.

If part of the key is protruding out of the lock, you can use a pair of needle-nosed pliers or tweezers to gently turn the key in the lock to open the door. If the key is fully inserted into the lock, you may also be able to use a key extractor to help turn the key into the unlocked position. 

But if the key breaks off halfway into the lock or you simply can’t reach it to help engage the unlocking mechanisms, you should probably call a professional.

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.

Regrettably, entirely pick-proof locks don't exist unless you opt for keyless varieties. Locks advertised as "pick-proof" are, in reality, more resilient against lock-picking and bumping attempts because of complex mechanisms consisting of pins and sidebars. These locks work like this—they assign two tasks to the key, enhancing security by making unauthorized entry more challenging.

The Greenwich, NJ 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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