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    Average homeowner rating
  • Verified reviews icon208
    Verified home security system services reviews

Find Home security system pros in Hillcrest Heights

"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 ADT

ADT

4.53(
735
)
Approved Pro

ADT

4.53(
735
)
Approved Pro
Customers say: Terrific value
3937 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.

"Jessica Taylor from ADT delivered outstanding service. My alarm system is reliable, and the home automation means my house feels alive even when I’m away. I can even set the coffee maker to start in the morning—security and convenience in one package."

Jarett K 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.

"Jessica Taylor from ADT delivered outstanding service. My alarm system is reliable, and the home automation means my house feels alive even when I’m away. I can even set the coffee maker to start in the morning—security and convenience in one package."

Jarett K on October 2025


Avatar for SafeStreets - ADT Authorized Provider

SafeStreets - ADT Authorized Provider

4.85(
296
)
Approved Pro

SafeStreets - ADT Authorized Provider

4.85(
296
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
72 local quotes requested

For 140 years, ADT has been the leading home security provider in the country. SafeStreets, ADT's Authorized Provider, sells and installs ADT-monitored home security systems. Our team consists of 300+ trained consultants, covering more than 90% of the United States across 44 states. We are experts on the latest smart-home technology, and highly focused on giving all customers a 5-Star Experience™. SafeStreets is committed to bringing high-tech security equipment, backed by 24/7 professional monitoring, to the place that matters most - your home. We have same day and next day appointments available, all scheduled within a one hour window. Call us anytime for a custom home security assessment and free quote! Comprehensive Security System ADT 24/7 Monitoring Touch Screen Control Panel Motion Detectors, Glass Break Sensors, & Point-of-Entry Sensors Indoor, Outdoor, & Doorbell Cameras Smart Home Automation Smoke, Carbon Monoxide, & Flood Sensors Mobile App Control Cellular Connection Back-up Battery Supply Maintenance/Extended Warranty Homeowners Insurance Certificate Theft Protection Guarantee

"In the past we’ve avoided getting into agreements or contracts with our home security providers but felt comfortable and confident doing so with Safe Streets. Their monitoring and surveillance centers are nationwide and open 24 hours. They made the process really easy and informed us of all the benefits by being under monitoring agreement. Told both of our neighbors about our experience and they plan to sign up too."

Jacob F on November 2025

For 140 years, ADT has been the leading home security provider in the country. SafeStreets, ADT's Authorized Provider, sells and installs ADT-monitored home security systems. Our team consists of 300+ trained consultants, covering more than 90% of the United States across 44 states. We are experts on the latest smart-home technology, and highly focused on giving all customers a 5-Star Experience™. SafeStreets is committed to bringing high-tech security equipment, backed by 24/7 professional monitoring, to the place that matters most - your home. We have same day and next day appointments available, all scheduled within a one hour window. Call us anytime for a custom home security assessment and free quote! Comprehensive Security System ADT 24/7 Monitoring Touch Screen Control Panel Motion Detectors, Glass Break Sensors, & Point-of-Entry Sensors Indoor, Outdoor, & Doorbell Cameras Smart Home Automation Smoke, Carbon Monoxide, & Flood Sensors Mobile App Control Cellular Connection Back-up Battery Supply Maintenance/Extended Warranty Homeowners Insurance Certificate Theft Protection Guarantee

"In the past we’ve avoided getting into agreements or contracts with our home security providers but felt comfortable and confident doing so with Safe Streets. Their monitoring and surveillance centers are nationwide and open 24 hours. They made the process really easy and informed us of all the benefits by being under monitoring agreement. Told both of our neighbors about our experience and they plan to sign up too."

Jacob F on November 2025


Avatar for Abstract, LLC

Abstract, LLC

5.00(
30
)
Approved Pro

Abstract, LLC

5.00(
30
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
38 local quotes requested

Abstract Security Solutions prides itself on professional security camera installations for both residential and commercial use. We work closely with the client to determine what the immediate concerns are and from there we are able to design and implement a custom system with a one time cost. No monthly charges. All work is guaranteed and we offer 2 year warranty on most equipment. Abstract also offers system leasing on case by case basis. All camera systems have the ability to be viewed through stationary monitors placed on site, and/or remotely through mobile devices or PC. Our cameras are of the highest quality and are rated for indoor and outdoor use. We have access to a wide range of cameras with options to fit any situation including night vision capabilities. Abstract is owner-operated. It's owner has been in the security/IT industry for over 20 years and makes extra effort to take care of the customer. At Abstract we are committed to partnering with the client to provide the most comprehensive system within the constraints determined.

"Good work and exceptional"

Satish A on April 2025

Abstract Security Solutions prides itself on professional security camera installations for both residential and commercial use. We work closely with the client to determine what the immediate concerns are and from there we are able to design and implement a custom system with a one time cost. No monthly charges. All work is guaranteed and we offer 2 year warranty on most equipment. Abstract also offers system leasing on case by case basis. All camera systems have the ability to be viewed through stationary monitors placed on site, and/or remotely through mobile devices or PC. Our cameras are of the highest quality and are rated for indoor and outdoor use. We have access to a wide range of cameras with options to fit any situation including night vision capabilities. Abstract is owner-operated. It's owner has been in the security/IT industry for over 20 years and makes extra effort to take care of the customer. At Abstract we are committed to partnering with the client to provide the most comprehensive system within the constraints determined.

"Good work and exceptional"

Satish A on April 2025


Avatar for UCDI Security

UCDI Security

4.50(
6
)
Approved Pro

UCDI Security

4.50(
6
)
Approved Pro
Customers say: Quality work
14 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Thank you."

Brian S on September 2021

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"Thank you."

Brian S on September 2021


Avatar for Level 3 Tech

Level 3 Tech

5.00(
5
)
Approved Pro

Level 3 Tech

5.00(
5
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business.

"GOT THE JOB DONE VERY WELL."

MILTON E on July 2021

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business.

"GOT THE JOB DONE VERY WELL."

MILTON E on July 2021


Avatar for En Motion Security Solutions

En Motion Security Solutions

4.75(
4
)
Approved Pro

En Motion Security Solutions

4.75(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

En Motion Security Solutions is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

"Friendly, efficient installation. Got done early, answered all our questions. Would use them again."

Dennis B on April 2020

En Motion Security Solutions is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

"Friendly, efficient installation. Got done early, answered all our questions. Would use them again."

Dennis B on April 2020


Chuck's Electric and Security, LLC

4.48(
27
)
Approved Pro

Chuck's Electric and Security, LLC

4.48(
27
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
24 years of experience

Chuck's Electric and Security can handle all of your needs with 18 years of service in the DC area. We have several service professionals that can assist you today. There is no project to big or to small, we pride ourselves on the happiness of customers. $80.00 TRIP CHARGED WILL BE WAIVED IF JOB COMPLETED ( ON ALL PROJECT THAT EXCEED 5 HOURS )

"Chuck's Electrical and Security installed the intercom system for Mary McLeod Bethune Day Academy. Immediately after the installation Chuck's E & S studded, drywalled and painted three offices for the school.. We highly recommend the services provided by Chuck's. Great prices and service."

Don C on August 2023

Chuck's Electric and Security can handle all of your needs with 18 years of service in the DC area. We have several service professionals that can assist you today. There is no project to big or to small, we pride ourselves on the happiness of customers. $80.00 TRIP CHARGED WILL BE WAIVED IF JOB COMPLETED ( ON ALL PROJECT THAT EXCEED 5 HOURS )

"Chuck's Electrical and Security installed the intercom system for Mary McLeod Bethune Day Academy. Immediately after the installation Chuck's E & S studded, drywalled and painted three offices for the school.. We highly recommend the services provided by Chuck's. Great prices and service."

Don C on August 2023


Avatar for Security 101

Security 101

New on AngiNew on Angi
Approved Pro

Security 101

New on AngiNew on Angi
Approved Pro
11 years of experience
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. Give us a call today, we look forward to earning your business!

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. Give us a call today, we look forward to earning your business!


"Friendly. Answers phone calls immediately. Antonio called the day of the service to confirm appointment. He arrived on time. Installed 2 ceiling fans in a timely manner. Cost- effective. I would recommend and hire again"

Cristina M on May 2025

10 Years Of Experience. Provides Exceptional & Guaranteed Residential Work. Put Clients Needs First Before Anything. www.jaelectricllc.net

"Friendly. Answers phone calls immediately. Antonio called the day of the service to confirm appointment. He arrived on time. Installed 2 ceiling fans in a timely manner. Cost- effective. I would recommend and hire again"

Cristina M on May 2025

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Home Security Systems questions, answered by experts

The main difference between different security sensor options is the type of motion each detects. A motion detector monitors obvious movements in hallways, entrances, and exits. On the other hand, a presence detector is more sensitive and captures smaller moves. A window sensor typically focuses on the opening and closing of the window, whereas a glass break sensor alarms you when a glass is broken.

Yes, there are, and they often come with a screw set to ensure they stay secure. They run on batteries, depend on WiFi, and often require a WiFi extender. These typically cost less than $50. Doorbell cameras like these are great for renters who can't install a wired solution. However, a wired doorbell camera is a better choice for homeowners looking to invest wisely in home security.

While security hubs can streamline the management of security cameras, the placement of cameras itself is often determined by factors like your property layout, security objectives, and areas of concern.

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.

Yes, you should always change your locks after buying a house. Do so as soon as possible after you move in. Otherwise, you won’t know who has working keys to the property, whether they’re spare keys or otherwise. If an intruder gains access to your house with a key, it may not be covered under your homeowners insurance.

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