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    Average homeowner rating
  • Verified reviews icon22
    Verified home security system services reviews

Find Home security system pros in Greenwich

Avatar for ADT

ADT

3750 Priority Way South Dr
4.52(
727
)
Approved Pro

ADT

3750 Priority Way South Dr
4.52(
727
)
Approved Pro
Super Service Award
Customers say: Terrific value
3705 local quotes requested
151 years of experience

ADT home security systems are backed by more than 145 years of experience. As the leader in home security, ADT can help you customize a home security system with easy-to-use equipment and special security features to meet your safety needs. We have service centers nationwide that can install an ADT home security system within 24 hours in most areas. Once your home is equipped with our top-of-the-line system, it is connected to a network of ADT Monitoring Centers nationwide which deliver non-stop security monitoring 365 days a year. All of our installation technicians are internal employees, and not third-party contractors. You can count on your Security Advisor to take the time to set up your system properly, help you understand how the system works, and help make sure your home and family are thoroughly protected.

"The alarm, when it goes off, is very loud!!! This is a good thing. If we ever need to activate it, it will definitely scare off anyone trying to come into our home. We can set it off from our phone or from the keyboard control panel that we installed in our bedroom. We feel very safe with this purchase."

Chris L on September 2025

ADT home security systems are backed by more than 145 years of experience. As the leader in home security, ADT can help you customize a home security system with easy-to-use equipment and special security features to meet your safety needs. We have service centers nationwide that can install an ADT home security system within 24 hours in most areas. Once your home is equipped with our top-of-the-line system, it is connected to a network of ADT Monitoring Centers nationwide which deliver non-stop security monitoring 365 days a year. All of our installation technicians are internal employees, and not third-party contractors. You can count on your Security Advisor to take the time to set up your system properly, help you understand how the system works, and help make sure your home and family are thoroughly protected.

"The alarm, when it goes off, is very loud!!! This is a good thing. If we ever need to activate it, it will definitely scare off anyone trying to come into our home. We can set it off from our phone or from the keyboard control panel that we installed in our bedroom. We feel very safe with this purchase."

Chris L on September 2025


Avatar for Wave Sound and Security, LLC

Wave Sound and Security, LLC

5.00(
5
)
Approved Pro

Wave Sound and Security, LLC

5.00(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
32 local quotes requested

Wave Sound and Security, LLC is a fully licensed and insured low voltage installation company. We specialize in residential and small businesses installations of Surveillance Systems, Home Control Systems, Home Theater systems, Multi room audio and more.

"I highly recommend Wave Sound and Security LLC. Wes expertly installed and thoroughly explained my new system, answered my many questions, discussed other needs I may have in the future, and is completely professional. I will definitely be using Wave Sound and Security for any future plans."

Ainslie W on August 2023

Wave Sound and Security, LLC is a fully licensed and insured low voltage installation company. We specialize in residential and small businesses installations of Surveillance Systems, Home Control Systems, Home Theater systems, Multi room audio and more.

"I highly recommend Wave Sound and Security LLC. Wes expertly installed and thoroughly explained my new system, answered my many questions, discussed other needs I may have in the future, and is completely professional. I will definitely be using Wave Sound and Security for any future plans."

Ainslie W on August 2023


Avatar for ARTISAN TECH

ARTISAN TECH

(914) 207-4822
5.00(
14
)
Approved Pro

ARTISAN TECH

(914) 207-4822
5.00(
14
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
62 local quotes requested

(914) 207-4822 ARTISAN TECH is here for all your technological needs; installations, automations, integrations, upgrades, troubleshooting & everything in between. Just some of our services are: -TV / Cable Company issues -Audio receivers, speakers, wiring -Airplay, Airplay 2, bluetooth, chromecast -CCTV Cameras including Ring, Nest, NVR & DVR brands -Internet connectivity: Wired / WiFi / ISP issues including Mesh & Extenders -Home Office set-up for remote working -Full home automation with temperature control, geo-location, lighting & entertainment centers -Much much more….! (914) 207-4822

"Peter is top notch. Friendly, on time, has teamwork mentality. Please hire him for all your AV needs and whatever services he offers. He is definitely a trustworthy, knowledgeable, pleasant, very communicative and diligent."

George C on October 2024

(914) 207-4822 ARTISAN TECH is here for all your technological needs; installations, automations, integrations, upgrades, troubleshooting & everything in between. Just some of our services are: -TV / Cable Company issues -Audio receivers, speakers, wiring -Airplay, Airplay 2, bluetooth, chromecast -CCTV Cameras including Ring, Nest, NVR & DVR brands -Internet connectivity: Wired / WiFi / ISP issues including Mesh & Extenders -Home Office set-up for remote working -Full home automation with temperature control, geo-location, lighting & entertainment centers -Much much more….! (914) 207-4822

"Peter is top notch. Friendly, on time, has teamwork mentality. Please hire him for all your AV needs and whatever services he offers. He is definitely a trustworthy, knowledgeable, pleasant, very communicative and diligent."

George C on October 2024


Avatar for Newgrange Electric Inc.

Newgrange Electric Inc.

111F Roosevelt Ave
4.64(
69
)
Approved Pro

Newgrange Electric Inc.

111F Roosevelt Ave
4.64(
69
)
Approved Pro
Customers say: Super punctual
44 local quotes requested
17 years of experience

Owned & operated by Edward Byrne. Centrally located in NYC, we serve all of Long Island, the five boroughs (NYC, Brooklyn, Queens, Bronx and Staten Island) and Westchester. We offer 24-hour emergency service, free estimates, quick response times, reasonable rates on service calls and competitive pricing on larger jobs.

"They did a great job for me."

Michael D on December 2021

Owned & operated by Edward Byrne. Centrally located in NYC, we serve all of Long Island, the five boroughs (NYC, Brooklyn, Queens, Bronx and Staten Island) and Westchester. We offer 24-hour emergency service, free estimates, quick response times, reasonable rates on service calls and competitive pricing on larger jobs.

"They did a great job for me."

Michael D on December 2021


Fusion Tech Solutions

1040 1st Ave
5.00(
5
)
Approved Pro

Fusion Tech Solutions

1040 1st Ave
5.00(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
226 local quotes requested

Fusion Tech Solutions is a dedicated and highly skilled company serving the IT needs of over 300 business and residential clients in the New York City, Westchester and Connecticut area, and growing every day. We pride ourselves on knowing everything about your technology and advising you on how you can get the most out of it to improve both your personal and business productivity. We make it a priority to provide our clients with flawless service, perfect results and absolute reliability. We go that extra mile to make any project you entrust us with a stress free, smooth process with a friendly point of contact keeping you updated from start to completion. Our business is to know your business. We provide you with the answers you need, advise you on cost and process, and plan your project for optimum results to ensure your technology is being the most effective and efficient it can be. At 411 Tech Solutions, we cater to the home user, entrepreneur and to the small business owner. We won't try to impress you with all the techno-babble. We'll just listen to your needs and tell you in plain English what needs to be done. And then we'll be available 24/7 just in case you need us. Our business is to know your business and keep it running smoothly.

"Joe and his team of electricians led by Paul were amazing to work with! Very professional, on-time, and fair pricing estimates for electrical work I needed in my condo, including moving the position of a ceiling light and setting up two new sconces, both of which required patching up the drywall afterwards and they made it look seamless. Joe really values quality work and made sure to check in throughout the job and afterwards to make sure I was satisfied, answering any questions I had. They offer a ton of handyman services and I will be booking them for future tv mounting needs as well."

Duaa E on December 2024

Fusion Tech Solutions is a dedicated and highly skilled company serving the IT needs of over 300 business and residential clients in the New York City, Westchester and Connecticut area, and growing every day. We pride ourselves on knowing everything about your technology and advising you on how you can get the most out of it to improve both your personal and business productivity. We make it a priority to provide our clients with flawless service, perfect results and absolute reliability. We go that extra mile to make any project you entrust us with a stress free, smooth process with a friendly point of contact keeping you updated from start to completion. Our business is to know your business. We provide you with the answers you need, advise you on cost and process, and plan your project for optimum results to ensure your technology is being the most effective and efficient it can be. At 411 Tech Solutions, we cater to the home user, entrepreneur and to the small business owner. We won't try to impress you with all the techno-babble. We'll just listen to your needs and tell you in plain English what needs to be done. And then we'll be available 24/7 just in case you need us. Our business is to know your business and keep it running smoothly.

"Joe and his team of electricians led by Paul were amazing to work with! Very professional, on-time, and fair pricing estimates for electrical work I needed in my condo, including moving the position of a ceiling light and setting up two new sconces, both of which required patching up the drywall afterwards and they made it look seamless. Joe really values quality work and made sure to check in throughout the job and afterwards to make sure I was satisfied, answering any questions I had. They offer a ton of handyman services and I will be booking them for future tv mounting needs as well."

Duaa E on December 2024


Avatar for Vincenzo Home Technologies

Vincenzo Home Technologies

67 Lois Ave
4.40(
10
)
Approved Pro

Vincenzo Home Technologies

67 Lois Ave
4.40(
10
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
466 local quotes requested

“Servicing Your Technology Needs” Sales,Design,Installation and Service Of the following Structured Wiring (cable and internet wired throughout the home or business) TV/Flat panel Installations ( Mounting of your television or video display anywhere you would like) Surround sound Media room systems House Music (Speakers throughout the home or business) Outdoor Media systems ( Speakers and or Television in your yard or on the Deck) Home Automation ( Secure Integrated control of music,video,cameras,lights,shades,heating,air,door locks etc.. from one app via phone or tablet from anywhere in the world) Home Networks wired and wifi ( WIfi access throughout the home and beyond) Lighting Control ( Energy management and control of lights from home or on the go) HVAC Control ( Energy management and control of Heating and Air conditioning systems from home or on the go) Security Cameras ( To monitor and record properties for safety and security, with availability to be viewed anywhere in the world via a smartphone or tablet) Telephone systems ( For use as intercom throughout the home or business)

"Work done timely and well. Price fair."

Charles K on December 2024

“Servicing Your Technology Needs” Sales,Design,Installation and Service Of the following Structured Wiring (cable and internet wired throughout the home or business) TV/Flat panel Installations ( Mounting of your television or video display anywhere you would like) Surround sound Media room systems House Music (Speakers throughout the home or business) Outdoor Media systems ( Speakers and or Television in your yard or on the Deck) Home Automation ( Secure Integrated control of music,video,cameras,lights,shades,heating,air,door locks etc.. from one app via phone or tablet from anywhere in the world) Home Networks wired and wifi ( WIfi access throughout the home and beyond) Lighting Control ( Energy management and control of lights from home or on the go) HVAC Control ( Energy management and control of Heating and Air conditioning systems from home or on the go) Security Cameras ( To monitor and record properties for safety and security, with availability to be viewed anywhere in the world via a smartphone or tablet) Telephone systems ( For use as intercom throughout the home or business)

"Work done timely and well. Price fair."

Charles K on December 2024


Avatar for Mikell Electric

Mikell Electric

6 Winding Brook Drive
4.71(
26
)
Approved Pro

Mikell Electric

6 Winding Brook Drive
4.71(
26
)
Approved Pro
Customers say: Quality work
114 local quotes requested
3 years of experience

Mikell Electric is a smaller company located in Bethel, CT. The young owner, Spencer, prides himself in providing quality electrical work for an affordable price. We cover anything commercial or residential. From service and emergency calls to wiring your dream home or a new restaurant, we have you covered. We also are a Generac Generator dealer for any of your backup power needs. Call or text our office at 203-220-8867 or email us at [email protected] to schedule a visit or a free estimate!

"Friday April 25 - company reached out after appointment starting time that they were no longer available and needed to reschedule Wednesday April 30 - company late for appointment Friday May 9th - company rescheduled installation date Wednesday May 14th - company rescheduled installation date again Saturday May 16th - company reached out at appointment starting time to reschedule Saturday May 16th - after we voiced our frustration with the above, company indicated with 40 minutes advance notice that they may not be able to make appt Saturday May 16th - company no-showed the time they suggested. We are unable to get in touch with company. Despite the company having read receipt functionality turned on, we did not receive a response after they read our message asking if anyone was coming so we could plan our Saturday accordingly "

Spencer F on May 2025

Mikell Electric is a smaller company located in Bethel, CT. The young owner, Spencer, prides himself in providing quality electrical work for an affordable price. We cover anything commercial or residential. From service and emergency calls to wiring your dream home or a new restaurant, we have you covered. We also are a Generac Generator dealer for any of your backup power needs. Call or text our office at 203-220-8867 or email us at [email protected] to schedule a visit or a free estimate!

"Friday April 25 - company reached out after appointment starting time that they were no longer available and needed to reschedule Wednesday April 30 - company late for appointment Friday May 9th - company rescheduled installation date Wednesday May 14th - company rescheduled installation date again Saturday May 16th - company reached out at appointment starting time to reschedule Saturday May 16th - after we voiced our frustration with the above, company indicated with 40 minutes advance notice that they may not be able to make appt Saturday May 16th - company no-showed the time they suggested. We are unable to get in touch with company. Despite the company having read receipt functionality turned on, we did not receive a response after they read our message asking if anyone was coming so we could plan our Saturday accordingly "

Spencer F on May 2025


We Build GC LLC

No reviews yet

We Build GC LLC

No reviews yet
3 years of experience

We specialize in Painting, Drywall, Floor Installation, Construction Cleaning, Site Works for Commercial spaces, Dumpster Services provider, Alarm and Audio Visual Services. We are also a project management company with vast experience.

We specialize in Painting, Drywall, Floor Installation, Construction Cleaning, Site Works for Commercial spaces, Dumpster Services provider, Alarm and Audio Visual Services. We are also a project management company with vast experience.


Adt

72 Ivy Brook Rd
No reviews yet

Adt

72 Ivy Brook Rd
No reviews yet

Sales and install alarm systems for ADT security. I have been in the industry for 15 years. I sell and install the alarms I sell so your not dealing with phone sales people. We provide door sensors, window sensors, smoke detectors, co detectors, flood and temperature sensors, doorbell cameras, outdoor indoor and floodlight cameras.

Sales and install alarm systems for ADT security. I have been in the industry for 15 years. I sell and install the alarms I sell so your not dealing with phone sales people. We provide door sensors, window sensors, smoke detectors, co detectors, flood and temperature sensors, doorbell cameras, outdoor indoor and floodlight cameras.


Alliance Inpack Security Corp.

No reviews yet

Alliance Inpack Security Corp.

No reviews yet
14 years of experience

Alliance Inpack Security Inc. is a professional family owned security company established in Bronx, New York 2011 and has expanded into CT 2023. Alliance Unpack Security Inc. was originally a corporation that provide security guards, armed security, and international body guards to various different clients and businesses. We are now expanding to home security installations for the New York and Connecticut area. We install doorbell cameras, inside/outside surveillance cameras. We provide the equipment or you are able to provide your own. We tailor to our clients specific needs and make special packages with reasonable prices.

Alliance Inpack Security Inc. is a professional family owned security company established in Bronx, New York 2011 and has expanded into CT 2023. Alliance Unpack Security Inc. was originally a corporation that provide security guards, armed security, and international body guards to various different clients and businesses. We are now expanding to home security installations for the New York and Connecticut area. We install doorbell cameras, inside/outside surveillance cameras. We provide the equipment or you are able to provide your own. We tailor to our clients specific needs and make special packages with reasonable prices.

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Home Security Systems questions, answered by experts

You'll likely need more than great home staging to sell your home. Now is a great time to get to work on the curb appeal of your home . Hire local exterior painters and landscapers to coat the exterior of your home and bring it new life with some sprucing up.

Home security cameras typically do not record continuously 24/7. Most options use motion detection technology to trigger recording when they sense movement or a significant change in their field of view. This approach conserves storage space and reduces the need for constant monitoring. When motion is detected, the camera starts recording and may send alerts to the homeowner. However some cameras offer the option for continuous recording, but this requires substantial storage capacity and may overwrite older footage when space runs out.

It depends on the type of sensor your home security system uses. If it’s a motion detector, any moving thing could set it off, from a roaming pet to a wind-blown curtain. Contact sensors would be triggered by the window being opened or moved. Also, be aware that any sensors placed too close to your vents could trigger false alarms whenever your heat or air conditioning is running.

Keyless locks are great for convenience, letting you unlock doors with a code or your phone so you don't need to carry keys around. They also often come with helpful features like temporary codes for guests. On the downside, they can be more costly up front and do require batteries that will eventually need replacing. If you value ease of use and additional security features, keyless locks are worth the investment.

A security camera company will be able to advise you on where to position the cameras, ensure all of the equipment is set up properly, and do all of the installations. They’ll take factors into consideration that a non-professional might not automatically consider, like obstacles that could block a potential trespasser from the camera or how lighting may obstruct the view.

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The Greenwich, CT homeowners’ guide to home security system services

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