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Find Alarm or security system installers in Glendora

Avatar for CSI Security

CSI Security

4.63(
8
)
•Approved Pro

CSI Security

4.63(
8
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
13 years of experience

CSI Security is an independent local security, fire, camera, and card access system firm in West Los Angeles. We are dedicated to delivering exceptional results to our clients. With over 40 years of industry experience and 10,000 system installs, we have developed keen knowledge of installing trouble-free systems.

"My security system was not working properly. They where here on time the repair person Amir was knowledgeable and replaced my transformer and backup battery in less than a hour. Now it works great. I would recommend to anyone who wants or has security system.. Review by jim G. Malibu,CA"

Jim G on October 2020

CSI Security is an independent local security, fire, camera, and card access system firm in West Los Angeles. We are dedicated to delivering exceptional results to our clients. With over 40 years of industry experience and 10,000 system installs, we have developed keen knowledge of installing trouble-free systems.

"My security system was not working properly. They where here on time the repair person Amir was knowledgeable and replaced my transformer and backup battery in less than a hour. Now it works great. I would recommend to anyone who wants or has security system.. Review by jim G. Malibu,CA"

Jim G on October 2020

Avatar for ADT

ADT

4.53(
736
)
•Approved Pro

ADT

4.53(
736
)
•Approved Pro
Customers say: Terrific value
7065 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.

"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

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
5799 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 RJ Laun Construction

RJ Laun Construction

4.94(
16
)

RJ Laun Construction

4.94(
16
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

A full service residential remodeling company specializing in older homes.

A full service residential remodeling company specializing in older homes.

Homfix Inc.

5.00(
2
)

Homfix Inc.

5.00(
2
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

We are a Home Improvement and design Company that provides all type of home services from A to Z, Kitchen Remodel, Bathroom Remodel, Additions, Roof, Solar Panels, and ect..

We are a Home Improvement and design Company that provides all type of home services from A to Z, Kitchen Remodel, Bathroom Remodel, Additions, Roof, Solar Panels, and ect..

Santa Monica Car Sound

5.00(
4
)

Santa Monica Car Sound

5.00(
4
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Santa Monica Car Sound one stop shop for your electronic needs , Sales & Installation car stereo ,Car Alarm ,Navigation systems,ipod AUX car connection ,Satellite Radio XM Sirius,Bluetooth Hands-Free car kit installation,Electric Windows rapair, Window Tinting,

"Freddie is a dream come true and can always be counted on to bring your vision to life. I've trusted Santa Monica Car Sound with every car I've owned over the last several years. It's a great feeling to know that you can depend on them for just about everything under the sun that's auto-related. For the Tesla, we did 30% tint all around with a 15% tint on the windshield. Break calipers were painted red to match Performance model, and emblems coated with black. A front fender was added to give the car a more sporty appeal. With the van, we tinted all windows and added a back up camera. I swing by whenever I have minor issues such as a door jam or loose AC panel. Freddie is the man, hands down! Thank you for everything."

Matthew R on October 2022

Santa Monica Car Sound one stop shop for your electronic needs , Sales & Installation car stereo ,Car Alarm ,Navigation systems,ipod AUX car connection ,Satellite Radio XM Sirius,Bluetooth Hands-Free car kit installation,Electric Windows rapair, Window Tinting,

"Freddie is a dream come true and can always be counted on to bring your vision to life. I've trusted Santa Monica Car Sound with every car I've owned over the last several years. It's a great feeling to know that you can depend on them for just about everything under the sun that's auto-related. For the Tesla, we did 30% tint all around with a 15% tint on the windshield. Break calipers were painted red to match Performance model, and emblems coated with black. A front fender was added to give the car a more sporty appeal. With the van, we tinted all windows and added a back up camera. I swing by whenever I have minor issues such as a door jam or loose AC panel. Freddie is the man, hands down! Thank you for everything."

Matthew R on October 2022

OLL Electric

No reviews yet

OLL Electric

No reviews yet
16 years of experience

Hi, my name is Olavi. I'm the owner of Oll Electric. It was my side business for couple years and now since May 2013 it is my full time job. Looking forward to start new partnerships with homeowners and contractors.

Hi, my name is Olavi. I'm the owner of Oll Electric. It was my side business for couple years and now since May 2013 it is my full time job. Looking forward to start new partnerships with homeowners and contractors.

Custom sculpting Signs and More

No reviews yet

Custom sculpting Signs and More

No reviews yet

I do custom sculpting and 3D signs for small businesses or large businesses I've done many sculptures for Vans shoe stores, Hot topic stores even Las Vegas casinos my artwork is variable according to my client's needs, I can custom make totem poles, smoke shop wooden Indians, driveway entrances you name it anything is possible I do chainsaw art as well as fine sculpting

I do custom sculpting and 3D signs for small businesses or large businesses I've done many sculptures for Vans shoe stores, Hot topic stores even Las Vegas casinos my artwork is variable according to my client's needs, I can custom make totem poles, smoke shop wooden Indians, driveway entrances you name it anything is possible I do chainsaw art as well as fine sculpting

ARMGUARD ALARM SYSTEMS

2.33(
3
)

ARMGUARD ALARM SYSTEMS

2.33(
3
)
Customers say: Terrific value
41 years of experience

Additional email - info@armguard.com.

"Steve just ignore my calls and won’t accept my termination of my contract with Armguard and keeps sending me bills, I gave him notice of cancellation, fax a letter and I’m still receiving bills. Have been dealing with this since 2018, trying to cancel the service."

Martha D on July 2020

Additional email - info@armguard.com.

"Steve just ignore my calls and won’t accept my termination of my contract with Armguard and keeps sending me bills, I gave him notice of cancellation, fax a letter and I’m still receiving bills. Have been dealing with this since 2018, trying to cancel the service."

Martha D on July 2020

Sun Tamers Window Tinting

4.95(
39
)

Sun Tamers Window Tinting

4.95(
39
)
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

Who is Sun Tamers Window Tinting? Sun Tamers Window Tinting has been in business for over 28 years. We specialize in cars, houses and commercial. We are licensed, bonded & insured contractors. We are expert installers of window film, retractable screens and a full line of window coverings. All of our films come with a lifetime warranty and glass breakage warranties backed by national manufactures. Our full line of Clear View retractable screens come with a limited lifetime warranty and are made in the U.S.A. My promise to my customers is to provide high quality products with professional and courteous customer service. No matter how big or small your project, we make business personal. Thank you for the opportunity to do business with you. Frank Torriero III WE DO IT RIGHT THE FIRST TIME!!!!!

"Friendly, informative, and professional"

Tony & Christina P on September 2018

Who is Sun Tamers Window Tinting? Sun Tamers Window Tinting has been in business for over 28 years. We specialize in cars, houses and commercial. We are licensed, bonded & insured contractors. We are expert installers of window film, retractable screens and a full line of window coverings. All of our films come with a lifetime warranty and glass breakage warranties backed by national manufactures. Our full line of Clear View retractable screens come with a limited lifetime warranty and are made in the U.S.A. My promise to my customers is to provide high quality products with professional and courteous customer service. No matter how big or small your project, we make business personal. Thank you for the opportunity to do business with you. Frank Torriero III WE DO IT RIGHT THE FIRST TIME!!!!!

"Friendly, informative, and professional"

Tony & Christina P on September 2018

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FAQs for alarm or security system installation projects in Glendora, CA

If you terminate your security system before your contract ends, you’ll likely have to pay a cancellation fee—often a percentage of the remaining contract balance. To avoid these fees, consider choosing a brand that offers contract-free plans, like SimpliSafe or Vivint. You can also negotiate with your provider to see if they provide pro-rated cancellation fees or special exceptions.

Paying for a security system is a valuable investment because it enhances your home’s safety and deters criminal activity. With millions of property crimes each year, having robust security measures helps protect your property and might even lower your insurance premiums. It's a worthwhile investment for lasting peace of mind.

The average cost to install security cameras ranges from $125 to $3,500, depending on the amount, type, and placement. To install a complete setup of four cameras, homeowners can expect to invest an average of $1,300 for labor and equipment. Installing multiple cameras gives you comprehensive coverage of vulnerable entry points and enhances overall property security.

The Glendora, CA homeowners’ guide to alarm or security system installations

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

See all articles
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