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*The Angi rating for Home Security System Service companies in Maryland City, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Home Security System Service needs.
*The HomeAdvisor rating for Home Security System Service companies in Maryland City, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Home Security System Service needs.
Last update on November 27, 2025
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SafeStreets - ADT Authorized Provider
SafeStreets - ADT Authorized Provider
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

ADT
ADT
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.
"Went well. Will know more later"
Pre P on November 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.
"Went well. Will know more later"
Pre P on November 2025

Blue Jay Electric Inc
Blue Jay Electric Inc
We run 4 service trucks Mon-Fri 7:00 am-3:30 pm. All 7 employees have been with Blue Jay for at least 5 yrs. Two of the key employees have been with us for over 16 yrs. Award winning. Additional email - [email protected].
"Well I don't have any complaints. They were great at what they were doing. I didn't come across as being great but they also did what I wanted to do. That's why I am giving them three."
Russell B on August 2023
We run 4 service trucks Mon-Fri 7:00 am-3:30 pm. All 7 employees have been with Blue Jay for at least 5 yrs. Two of the key employees have been with us for over 16 yrs. Award winning. Additional email - [email protected].
"Well I don't have any complaints. They were great at what they were doing. I didn't come across as being great but they also did what I wanted to do. That's why I am giving them three."
Russell B on August 2023

SimpliSafe Home Security
SimpliSafe Home Security
You’d pay a fortune to keep your family safe, but you shouldn’t pay a penny more than $14.99! Most alarms systems seem like a bargain---UNTIL you look at the cost of signing a long-term alarm contract for $30, $40, sometimes even $50/month. Protect your home and your wallet with a SimpliSafe home security system. Our alarm monitoring costs just $14.99/month, and we’ll never lock you into a contract, so you are free to cancel with us anytime. Each year that you protect your family with SimpliSafe, you’ll save up to $420...that’s why the nation’s leading financial expert, Dave Ramsey, recommends SimpliSafe to all his listeners. Try SimpliSafe today! You have nothing to lose---we are so sure you’ll be happy with your alarm that we offer you a three year product warranty and a 60 Day No-Questions-Asked Full Refund Guarantee
"They are fine. Their price is very good and the hardware is holding up very well."
Sidney J on March 2022
You’d pay a fortune to keep your family safe, but you shouldn’t pay a penny more than $14.99! Most alarms systems seem like a bargain---UNTIL you look at the cost of signing a long-term alarm contract for $30, $40, sometimes even $50/month. Protect your home and your wallet with a SimpliSafe home security system. Our alarm monitoring costs just $14.99/month, and we’ll never lock you into a contract, so you are free to cancel with us anytime. Each year that you protect your family with SimpliSafe, you’ll save up to $420...that’s why the nation’s leading financial expert, Dave Ramsey, recommends SimpliSafe to all his listeners. Try SimpliSafe today! You have nothing to lose---we are so sure you’ll be happy with your alarm that we offer you a three year product warranty and a 60 Day No-Questions-Asked Full Refund Guarantee
"They are fine. Their price is very good and the hardware is holding up very well."
Sidney J on March 2022

TriStar Electric
TriStar Electric
Congratulations! If you are reading this you have made the first step in selecting the right company for your electrical needs. We can say this because a large portion of our work is from satisfied repeat customers and our goal is to provide you with the same enjoyable experience as they had with us. TriStar Electric provides high quality services for homes such as free consultations, adding recessed lighting, panel upgrades, surge protection, outdoor lighting, under cabinet lighting, low voltage systems, photocell and timer controls, all residential wiring such as basements, renovations and new home wiring. We have over 20 years experience and our expertise is second to none. We stand behind everything that we do and are not happy until we have met all of your needs and expectations of us. Additional phone - (410) 799-5791 or (301) 384-8880 or (800) 685-0100.
"Bob McGinnis 2:46 PM (0 minutes ago) to me TriStar just finished the installation of my new Generac 22kk standby generator and I couldn't be more pleased. From John, who came out and sized up the job (and made sure I passed inspections) to Amanda, who was always there to answer my questions and schedule crews to come out to top-notch electricians, like Todd and Brendon, who did a stellar job - it was clear this was a top-notch company. Communications were excellent - via email, phone or text - and they were always on time. It was a lengthy journey since I had the worst-case scenario of needing my gas line and gas meter upgraded. Navigating the BGE waters to get this done was challenging, to say the least, and TriStar has an excellent plumbing partner that worked closely with me all along the way. When all was said and done and that generator fired up today I knew the time, money and effort was worth it. Highly recommend them!"
Robert M on July 2020
Congratulations! If you are reading this you have made the first step in selecting the right company for your electrical needs. We can say this because a large portion of our work is from satisfied repeat customers and our goal is to provide you with the same enjoyable experience as they had with us. TriStar Electric provides high quality services for homes such as free consultations, adding recessed lighting, panel upgrades, surge protection, outdoor lighting, under cabinet lighting, low voltage systems, photocell and timer controls, all residential wiring such as basements, renovations and new home wiring. We have over 20 years experience and our expertise is second to none. We stand behind everything that we do and are not happy until we have met all of your needs and expectations of us. Additional phone - (410) 799-5791 or (301) 384-8880 or (800) 685-0100.
"Bob McGinnis 2:46 PM (0 minutes ago) to me TriStar just finished the installation of my new Generac 22kk standby generator and I couldn't be more pleased. From John, who came out and sized up the job (and made sure I passed inspections) to Amanda, who was always there to answer my questions and schedule crews to come out to top-notch electricians, like Todd and Brendon, who did a stellar job - it was clear this was a top-notch company. Communications were excellent - via email, phone or text - and they were always on time. It was a lengthy journey since I had the worst-case scenario of needing my gas line and gas meter upgraded. Navigating the BGE waters to get this done was challenging, to say the least, and TriStar has an excellent plumbing partner that worked closely with me all along the way. When all was said and done and that generator fired up today I knew the time, money and effort was worth it. Highly recommend them!"
Robert M on July 2020

Tomato Electric
Tomato Electric
VISIT WWW.TOMATOELECTRIC.COM TO SEE OUR WEEKLY SPECIALS! Tomato Electric is a small electrical firm established and owned by Robert Richardson, a licensed master electrician. We have been providing exceptional service to the Maryland, Virginia and Metro Area since 1986. In 2009, we made the decision to expand our company and opened an office in Advance, North Carolina. Since our inception, we have been dedicated and committed to meet and exceed all our customers’ expectations. At Tomato Electric, we specialize in small commercial and residential projects. We have the experience and creativity to assist you in developing a custom design plan for the installation of all of your project needs, including interior and exterior lighting jobs. Our technicians arrive at the job site prepared to deliver high quality professional service. We also take the extra time to ensure that your home or business is left clean and organized. We pride ourselves on offering quick, efficient, friendly and reliable service to all of our customers no matter what the job. For us, no project is too small to deliver our superb craftsmanship with attention to the smallest details. We have the technology, desire and knowledge to solve all of your problems correctly and efficiently. Our number one goal has always been the satisfaction of our customers. At Tomato Electric, we strive to always stay current with advancing technology. Several of our capabilities include the installation of data, networking, and telephone lines. We can also provide the installation of the latest TV equipment, such as wall-mounting your flat screen TV, connecting and wiring all of your peripheral components, as well as the installation and set-up of your internet and network to your smart TVs. If you are looking for a qualified electrician, look no further than Tomato Electric. As a well-established electrical company striving to provide the highest quality service on all jobs, we guarantee you will be happy with our service.
"Tomato was excellent. From the scheduling and communication, to the support on permitting in DC, to the actual work done, the crew at Tomato were great to work with. They were clear at every step as to what was happening, what needed to be done, and estimating the cost. Great group of people to work with, and would call them first for any electrical work in the future."
Aaron K on August 2019
VISIT WWW.TOMATOELECTRIC.COM TO SEE OUR WEEKLY SPECIALS! Tomato Electric is a small electrical firm established and owned by Robert Richardson, a licensed master electrician. We have been providing exceptional service to the Maryland, Virginia and Metro Area since 1986. In 2009, we made the decision to expand our company and opened an office in Advance, North Carolina. Since our inception, we have been dedicated and committed to meet and exceed all our customers’ expectations. At Tomato Electric, we specialize in small commercial and residential projects. We have the experience and creativity to assist you in developing a custom design plan for the installation of all of your project needs, including interior and exterior lighting jobs. Our technicians arrive at the job site prepared to deliver high quality professional service. We also take the extra time to ensure that your home or business is left clean and organized. We pride ourselves on offering quick, efficient, friendly and reliable service to all of our customers no matter what the job. For us, no project is too small to deliver our superb craftsmanship with attention to the smallest details. We have the technology, desire and knowledge to solve all of your problems correctly and efficiently. Our number one goal has always been the satisfaction of our customers. At Tomato Electric, we strive to always stay current with advancing technology. Several of our capabilities include the installation of data, networking, and telephone lines. We can also provide the installation of the latest TV equipment, such as wall-mounting your flat screen TV, connecting and wiring all of your peripheral components, as well as the installation and set-up of your internet and network to your smart TVs. If you are looking for a qualified electrician, look no further than Tomato Electric. As a well-established electrical company striving to provide the highest quality service on all jobs, we guarantee you will be happy with our service.
"Tomato was excellent. From the scheduling and communication, to the support on permitting in DC, to the actual work done, the crew at Tomato were great to work with. They were clear at every step as to what was happening, what needed to be done, and estimating the cost. Great group of people to work with, and would call them first for any electrical work in the future."
Aaron K on August 2019

Every Man Home Entertainment
Every Man Home Entertainment
We have over 15 years experience specializing in residential audio, video, and security camera installations. From designing, installation and consulting, we provide a variety of high level Home Entertainment services. All work is performed by the owner.
"Joel is wonderful to work with! We converted a semi-finished room in our basement into a home theater. Joel worked with us on how to best layout the room and installed the sound system/speakers, projector, screen, lighting, and sound panels. Joel helped us pick the best equipment for our space and within our budget. When it came to installing, he has an almost obsessive attention to detail in the best way. He saw that the screen was 1/16th of an inch off level. I never would have noticed, but he made the adjustments to make it perfect. All of his work was like that - the details are perfect. The work went fast and we could not be happier with the results. The picture is big, bright and so clear. The sound is so crisp that you can hear birds fly over your head in a movie. You feel like part of the crowd when watching a football game. It really is an amazing set up. If you are looking to install a home theater, Joel and Every Man Home Entertainment is who you should hire."
Kate S on October 2021
We have over 15 years experience specializing in residential audio, video, and security camera installations. From designing, installation and consulting, we provide a variety of high level Home Entertainment services. All work is performed by the owner.
"Joel is wonderful to work with! We converted a semi-finished room in our basement into a home theater. Joel worked with us on how to best layout the room and installed the sound system/speakers, projector, screen, lighting, and sound panels. Joel helped us pick the best equipment for our space and within our budget. When it came to installing, he has an almost obsessive attention to detail in the best way. He saw that the screen was 1/16th of an inch off level. I never would have noticed, but he made the adjustments to make it perfect. All of his work was like that - the details are perfect. The work went fast and we could not be happier with the results. The picture is big, bright and so clear. The sound is so crisp that you can hear birds fly over your head in a movie. You feel like part of the crowd when watching a football game. It really is an amazing set up. If you are looking to install a home theater, Joel and Every Man Home Entertainment is who you should hire."
Kate S on October 2021

Guardian Protection
Guardian Protection
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

Vintage Security
Vintage Security
Award winning! Vintage Security provides monitoring services and security systems to over 19,000 customers throughout the Northern Virginia, Washington D.C, and Maryland areas. We offer a complete line of hardwired and wireless equipment to protect your home and/or business. Vintage Security skilled installers and technicians will treat your home and/or business as though it were their own.
"I have been on this system for 3-4 years. The initial installation went ok, but the overall functionality and reliability of the system is poor. The basic alarm system works when you manually arm/ disarm it through the app or keypad. However, the alarm cannot be set up on an automated schedule, and NONE of the connected automation features work - lights, outlets, blinds, etc. I purchased the recommended products that the company promised would seamlessly integrate into the system during the sales pitch, but none of them work. They have sent technicians out a couple times but, even after installing bulky repeater boxes in about half a dozen outlets, the system cannot connect. I have submitted several tickets, but Vintage just closes them out and suggests that I self troubleshoot. Alternatively, I can pay for an Automation Maintenance package and they will send a technician out. Bottom line - their system is nothing more than a 1990's alarm with a keypad and phone app. They dont deliver on what they sell, and they try to charge extra for support that should be included."
James L on November 2020
Award winning! Vintage Security provides monitoring services and security systems to over 19,000 customers throughout the Northern Virginia, Washington D.C, and Maryland areas. We offer a complete line of hardwired and wireless equipment to protect your home and/or business. Vintage Security skilled installers and technicians will treat your home and/or business as though it were their own.
"I have been on this system for 3-4 years. The initial installation went ok, but the overall functionality and reliability of the system is poor. The basic alarm system works when you manually arm/ disarm it through the app or keypad. However, the alarm cannot be set up on an automated schedule, and NONE of the connected automation features work - lights, outlets, blinds, etc. I purchased the recommended products that the company promised would seamlessly integrate into the system during the sales pitch, but none of them work. They have sent technicians out a couple times but, even after installing bulky repeater boxes in about half a dozen outlets, the system cannot connect. I have submitted several tickets, but Vintage just closes them out and suggests that I self troubleshoot. Alternatively, I can pay for an Automation Maintenance package and they will send a technician out. Bottom line - their system is nothing more than a 1990's alarm with a keypad and phone app. They dont deliver on what they sell, and they try to charge extra for support that should be included."
James L on November 2020

Certified Electrical Technologies
Certified Electrical Technologies
Certified Electrical Technologies (CET) is a full-service electrical contracting firm serving residential, contractor, retail, real estate, and commercial clients in Suburban Maryland, Northern Virginia, and Washington, D.C. Certified Electrical Technologies (CET) is a full-service electrical contracting firm serving residential, contractor, retail, real estate, and commercial clients in Suburban Maryland, Northern Virginia, and Washington, D.C. Since 1979, CET has been committed to providing the latest technology, highest quality products and superior customer service. Our goal is to provide Total Customer Satisfaction. CET offers fast, efficient scheduling, excellent service by highly-trained technicians, and competitive pricing. This strategy is what sets us apart from our competition and has made us leaders in the Electrical Service industry. As your electrician, we are especially proud of our outstanding staff, comprised of highly trained electricians and engineers. Our staff has been personally recruited for their particular expertise, integrity and commitment to excellence. These qualities make them CET’s most valuable asset and ensure our clients of total satisfaction. Additional phones - (410)823-5252, (410)312-5252, (410)295-5005, (301)858-5252. Award winning. Additional address - PO Box 60650 Rockville, MD, 20859, 7879 Cessna Ave Gaithersburg, MD 20879.
"The repair was successful and not as bad as I feared. I have called CET several times in recent years through AngiesList to do repairs. The electrician Tim arrived on time and carefully ran a few tests to determine the problem while describing to me what he was doing. It turned out to be a bad wall switch which he replaced with a new switch I had on hand. I will call CET again the next time I have an electrical problem."
Ian M on June 2021
Certified Electrical Technologies (CET) is a full-service electrical contracting firm serving residential, contractor, retail, real estate, and commercial clients in Suburban Maryland, Northern Virginia, and Washington, D.C. Certified Electrical Technologies (CET) is a full-service electrical contracting firm serving residential, contractor, retail, real estate, and commercial clients in Suburban Maryland, Northern Virginia, and Washington, D.C. Since 1979, CET has been committed to providing the latest technology, highest quality products and superior customer service. Our goal is to provide Total Customer Satisfaction. CET offers fast, efficient scheduling, excellent service by highly-trained technicians, and competitive pricing. This strategy is what sets us apart from our competition and has made us leaders in the Electrical Service industry. As your electrician, we are especially proud of our outstanding staff, comprised of highly trained electricians and engineers. Our staff has been personally recruited for their particular expertise, integrity and commitment to excellence. These qualities make them CET’s most valuable asset and ensure our clients of total satisfaction. Additional phones - (410)823-5252, (410)312-5252, (410)295-5005, (301)858-5252. Award winning. Additional address - PO Box 60650 Rockville, MD, 20859, 7879 Cessna Ave Gaithersburg, MD 20879.
"The repair was successful and not as bad as I feared. I have called CET several times in recent years through AngiesList to do repairs. The electrician Tim arrived on time and carefully ran a few tests to determine the problem while describing to me what he was doing. It turned out to be a bad wall switch which he replaced with a new switch I had on hand. I will call CET again the next time I have an electrical problem."
Ian M on June 2021
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