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  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon134
    Verified home security system services reviews

Find Home security system pros in Merrifield

Avatar for ADT

ADT

3750 Priority Way South Dr
4.53(
734
)
Approved Pro

ADT

3750 Priority Way South Dr
4.53(
734
)
Approved Pro
Customers say: Terrific value
3641 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.

"Bought security through ADT mainly for the automation options that come with the system. My spouse loves being able to turn on and off our lights in different areas of the house while we are gone. We travel often, so giving the illusion that we are home is a good deterrent."

Luke W on October 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.

"Bought security through ADT mainly for the automation options that come with the system. My spouse loves being able to turn on and off our lights in different areas of the house while we are gone. We travel often, so giving the illusion that we are home is a good deterrent."

Luke W on October 2025


"They are very responsive, timely and fixed my problems. They work with us on an annual basis."

JANE P on March 2023

We are a local boutique security company in Gaithersburg, MD. We offer solutions from residential smart homes to full commercial operations. Personal service, expert design and installation, and cutting edge technology are our strengths.

"They are very responsive, timely and fixed my problems. They work with us on an annual basis."

JANE P on March 2023


Avatar for Absolute Electrical Contractors LLC

Absolute Electrical Contractors LLC

300 Hibiscus Street
4.56(
164
)
Approved Pro

Absolute Electrical Contractors LLC

300 Hibiscus Street
4.56(
164
)
Approved Pro
Customers say: Super punctual
38 local quotes requested
34 years of experience

Our electricians are always Prompt, Courteous, Respectful of your home. More than 20 years in Montgomery County. We cover the whole DC area. Accredited Better Business Bureau Member Absolutely no hidden fees licensed & insured in MD, DC, & VA. Let us help you go green & save yourself some green $s. Eco-friendly solutions, home remodeling/renovations, new home installations, upgrading of service, upgrade fuse box to breaker box, troubleshooting & repairs, home inspections. We design, install, & repair: outdoor/landscape lighting, security lighting & systems, communications systems/telephones & systems wiring, data (internet) wiring, cable and fios tv wiring, recessed & track lighting, ceiling fans, attic exhaust fans, light fixture & dimmers, plugs & switches, emergency generators, appliances. better business bureau certified member. Many people believe that their car is the largest single source of air pollution for which they are personally responsible. But in fact, the average home causes the emission of more than twice as much carbon dioxide--the principal greenhouse gas--as the average car. This is because most of the energy consumed in our homes is produced by burning fossil fuels like coal, oil, and natural gas. This pollution is actually a hidden cost for the energy We use, over and above the dizzying $110 billion Americans spend each year on their home energy bills that's nearly $1,300 per house. Much of this energy use is unnecessary because there are a variety of proven, widely available products on the market today (heating, cooling, appliances, windows, lighting, etc.) to drastically reduce your home's energy bills, and accompanying pollution. What's more, many of these products actually improve the comfort and livability of your home.

"Andre was extremely helpful and kind with the install - I was having issues with my power in my rooms, he helped me navigate the issue, replace the needed sockets, and also gave me extra help regarding recommendations for electrical safety. Could not recommend enough, thanks Andre!"

Eniola O on May 2025

Our electricians are always Prompt, Courteous, Respectful of your home. More than 20 years in Montgomery County. We cover the whole DC area. Accredited Better Business Bureau Member Absolutely no hidden fees licensed & insured in MD, DC, & VA. Let us help you go green & save yourself some green $s. Eco-friendly solutions, home remodeling/renovations, new home installations, upgrading of service, upgrade fuse box to breaker box, troubleshooting & repairs, home inspections. We design, install, & repair: outdoor/landscape lighting, security lighting & systems, communications systems/telephones & systems wiring, data (internet) wiring, cable and fios tv wiring, recessed & track lighting, ceiling fans, attic exhaust fans, light fixture & dimmers, plugs & switches, emergency generators, appliances. better business bureau certified member. Many people believe that their car is the largest single source of air pollution for which they are personally responsible. But in fact, the average home causes the emission of more than twice as much carbon dioxide--the principal greenhouse gas--as the average car. This is because most of the energy consumed in our homes is produced by burning fossil fuels like coal, oil, and natural gas. This pollution is actually a hidden cost for the energy We use, over and above the dizzying $110 billion Americans spend each year on their home energy bills that's nearly $1,300 per house. Much of this energy use is unnecessary because there are a variety of proven, widely available products on the market today (heating, cooling, appliances, windows, lighting, etc.) to drastically reduce your home's energy bills, and accompanying pollution. What's more, many of these products actually improve the comfort and livability of your home.

"Andre was extremely helpful and kind with the install - I was having issues with my power in my rooms, he helped me navigate the issue, replace the needed sockets, and also gave me extra help regarding recommendations for electrical safety. Could not recommend enough, thanks Andre!"

Eniola O on May 2025


King General Contracting

P.O. Box 1909
4.50(
116
)
Approved Pro

King General Contracting

P.O. Box 1909
4.50(
116
)
Approved Pro
Customers say: Quality work
24 years of experience
Free onsite estimate

King General Contracting, specializes in Exterior and Interior Home Repairs, Remodels and Upgrades. Our loyal list of Clients include Real Estate Brokers, Investors and Insurance Companies. We have the Experience, the Equipment and Skilled Staff for a vast range of projects like Demolition, Stucco, Stud Framing, Drop Ceilings, Flooring. We take pride in our Craftsmanship and enjoy delivering a functional Home or Commercial environment on every project we perform on. Our Owners experience in Commercial Project Management reflects in our Craftsmanship.

"If you’re lucky enough to hire Oscar and his crew at King General Contracting, consider your job handled—and handled with integrity, skill, and professionalism. From start to finish, he was honest, transparent, and incredibly hardworking. He shows up on time, sticks to the budget, and most importantly—does exactly what he says he will do, without shortcuts or surprises. The quality of his work? Exceptional. Every detail was done with care and craftsmanship. You can tell he takes real pride in doing the job right, not just fast. I will call Oscar and King General Contracting from now on. Highly, highly recommended."

Paul M on August 2025

King General Contracting, specializes in Exterior and Interior Home Repairs, Remodels and Upgrades. Our loyal list of Clients include Real Estate Brokers, Investors and Insurance Companies. We have the Experience, the Equipment and Skilled Staff for a vast range of projects like Demolition, Stucco, Stud Framing, Drop Ceilings, Flooring. We take pride in our Craftsmanship and enjoy delivering a functional Home or Commercial environment on every project we perform on. Our Owners experience in Commercial Project Management reflects in our Craftsmanship.

"If you’re lucky enough to hire Oscar and his crew at King General Contracting, consider your job handled—and handled with integrity, skill, and professionalism. From start to finish, he was honest, transparent, and incredibly hardworking. He shows up on time, sticks to the budget, and most importantly—does exactly what he says he will do, without shortcuts or surprises. The quality of his work? Exceptional. Every detail was done with care and craftsmanship. You can tell he takes real pride in doing the job right, not just fast. I will call Oscar and King General Contracting from now on. Highly, highly recommended."

Paul M on August 2025


Electrical Solutions, LLC

6011 Leewood Drive
5.00(
42
)
Approved Pro

Electrical Solutions, LLC

6011 Leewood Drive
5.00(
42
)
Approved Pro
Customers say: Quality work
27 years of experience
Free onsite estimate

Electrical Solutions, LLC, prides itself on providing the best customer service possible. Our references will back that statement up. Call us today and ask about our specials!

"They do excellent work. Very professional and went above and beyond, and helped us get to some issues above the electrical work as well."

Boyd W on December 2017

Electrical Solutions, LLC, prides itself on providing the best customer service possible. Our references will back that statement up. Call us today and ask about our specials!

"They do excellent work. Very professional and went above and beyond, and helped us get to some issues above the electrical work as well."

Boyd W on December 2017


Avatar for DistinctHD, LLC

DistinctHD, LLC

PO Box 1681
5.00(
6
)
Approved Pro

DistinctHD, LLC

PO Box 1681
5.00(
6
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 years of experience

We are a small audio, visual, and security company operating out of Stafford, Virginia. DistinctHD, LLC was formed in March 2010 as a company that only installed televisions and television systems for hotels across the United States. As a company we have installed over 100,000 televisions in various businesses, as well as countless DIRECTV systems that provide the content to millions of guests. Since forming in 2010, we have expanded to what we are today and now provide a wide variety of services, including high end camera systems, security systems, audio visual equipment, and the latest smart home technology.

"Fantastic service and very responsive"

Scott S on August 2023

We are a small audio, visual, and security company operating out of Stafford, Virginia. DistinctHD, LLC was formed in March 2010 as a company that only installed televisions and television systems for hotels across the United States. As a company we have installed over 100,000 televisions in various businesses, as well as countless DIRECTV systems that provide the content to millions of guests. Since forming in 2010, we have expanded to what we are today and now provide a wide variety of services, including high end camera systems, security systems, audio visual equipment, and the latest smart home technology.

"Fantastic service and very responsive"

Scott S on August 2023


Fortress Protection Group, Inc is a full service fire protection and security company that works with homeowners, property managers, general contractors and government organizations.




Avatar for USA Alarm Service, Inc

USA Alarm Service, Inc

510 S Clearwater Loop
No reviews yet

USA Alarm Service, Inc

510 S Clearwater Loop
No reviews yet
29 years of experience

USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.

USA Alarm is a national company that has more than two decades of experience and an award winning command center that protects more than 700,000 homes and businesses through the United States, 24 hours a day and 7 days a week. We have offices located throughout the US, with two main offices in Indianapolis, Indiana and Post Falls, Idaho.

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Home Security Systems questions, answered by experts

Professionals optimize camera placement, integrate recording systems, and ensure tamper-proof security.

Yes, it's possible for hackers to access wireless security cameras by guessing or stealing passwords. Additionally, your camera's cloud content can also be hacked. Finally, some criminals use Wi-Fi signal jammers to disable wireless cameras.

Find a vetted and trusted locksmith to work on your home so you can feel comfortable and safe. Hire a professional with these qualifications:

  • Search a verified directory of locksmiths near you, like those on Angi. 

  • Check for an Associated Locksmiths of America (ALOA) logo on their website or company logo.

  • Read company reviews. You can also check their social media pages.

  • Ask for a pro’s credentials, insurance, licensure, and customer testimonials. 

  • Check if the locksmith is knowledgeable about various topics, from decorative locks to the newest technologies on the market.

Technically, there isn't a difference between safe rooms and storm shelters. Both are designed to protect you from storms and extreme weather events. People often use “safe room” when discussing a shelter inside a building and storm shelter when talking about a detached unit. 

Additionally, a safe room is understood to have more functions than a storm shelter. You may seek shelter in a safe room when you believe an intruder is in the home or when under another type of threat. 

Professional home automation services can include automation for nearly anything in your home, so the possibilities are endless. Some of the more common things homeowners use automation for include the following:

  • Heating and cooling for automatic comfort

  • Security cameras and emergency call systems

  • Door and window sensors to detect opening, closing, and break-ins

  • Solar system automation to maximize energy savings

  • Automatic door locks

  • Garage door openers

  • Speaker systems

  • Lighting

  • Appliances

  • Smoke and CO detectors

  • Blinds and other window coverings

  • Lawn irrigation systems

  • Water monitoring

The Merrifield, VA homeowners’ guide to home security system services

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