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Verified Reviews for Home Security System Service pros in Twain Harte, CA
*The Angi rating for Home Security System Service companies in Twain Harte, CA 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 Twain Harte, CA 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 October 26, 2025
Find Home security system pros in Twain Harte

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.
"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

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
"connected with safestreets to get home security setup. it’s been fine. have used many other services before but this one seems like it will fit our needs best."
Cheri O on October 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
"connected with safestreets to get home security setup. it’s been fine. have used many other services before but this one seems like it will fit our needs best."
Cheri O on October 2025
Home security
Thill Electrical
Thill Electrical
Thill Electrical is a family-owned and operated business specializing in providing top-notch residential and commercial electrical services. We offer commercial and residential electrical services, panel and wiring upgrades, generator installation, and electric vehicle charging station installation/maintenance. Offering competitive pricing and providing various options to suit our clients' needs, we ensure customer satisfaction. Contact us for free estimates and rest assured that we are available 24/7 to address any electrical needs promptly.
Thill Electrical is a family-owned and operated business specializing in providing top-notch residential and commercial electrical services. We offer commercial and residential electrical services, panel and wiring upgrades, generator installation, and electric vehicle charging station installation/maintenance. Offering competitive pricing and providing various options to suit our clients' needs, we ensure customer satisfaction. Contact us for free estimates and rest assured that we are available 24/7 to address any electrical needs promptly.
Lifemaster Security Safe and Sound Cameras
Lifemaster Security Safe and Sound Cameras
We install professional grade camera and alarm system for home and buisness.
We install professional grade camera and alarm system for home and buisness.
Granite Peak Alarm LLC
Granite Peak Alarm LLC
Here at Granite Peak Alarm, we are focused on providing local service and experience you can trust. We specialize in: Alarm Systems, Cameras, Intercoms & Access Control. As a family owned and operated business, we understand the importance of long term relationships with our customers. I have over a decade of experience in the alarm industry in roles including installation, sales, and management with companies both large and small. We look forward to you joining our family of alarm customers and support a locally owned and operated business that will support our local community.
"Sean did an excellent job on the installation. Fast, efficient, tested the equipment several times and had a brief training afterwards. Would definitely recommend Granite Peak Alarm."
David M on January 2019
Here at Granite Peak Alarm, we are focused on providing local service and experience you can trust. We specialize in: Alarm Systems, Cameras, Intercoms & Access Control. As a family owned and operated business, we understand the importance of long term relationships with our customers. I have over a decade of experience in the alarm industry in roles including installation, sales, and management with companies both large and small. We look forward to you joining our family of alarm customers and support a locally owned and operated business that will support our local community.
"Sean did an excellent job on the installation. Fast, efficient, tested the equipment several times and had a brief training afterwards. Would definitely recommend Granite Peak Alarm."
David M on January 2019

USA Alarm Service, Inc
USA Alarm Service, Inc
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.
Uxari powered by Vitex
Uxari powered by Vitex
With Uxari, you and your home are connected, automatically. You choose what to connect (devices) and we do the connecting (wireless services plan). Plus, we do it for as little as $99 down with monthly payments as low as $34.99. At Uxari, you will talk to a real person when you have a question, 7 days a week. So go ahead, start enjoying your new life style, knowing answers to all your questions are only a call or an e-mail away. And the best part is all of our services come with a 30-day, risk-free trial. We believe in not only finding exactly the right plan for you, but making sure you’re completely satisfied with it, too.
"The Smart Home features they installed, such as thermostat and door locks, etc. do not always work. For example, the Honeywell thermostat can no longer be operated from our phones and is difficult to install. Remote door locks are also unpredictable."
William B on November 2019
With Uxari, you and your home are connected, automatically. You choose what to connect (devices) and we do the connecting (wireless services plan). Plus, we do it for as little as $99 down with monthly payments as low as $34.99. At Uxari, you will talk to a real person when you have a question, 7 days a week. So go ahead, start enjoying your new life style, knowing answers to all your questions are only a call or an e-mail away. And the best part is all of our services come with a 30-day, risk-free trial. We believe in not only finding exactly the right plan for you, but making sure you’re completely satisfied with it, too.
"The Smart Home features they installed, such as thermostat and door locks, etc. do not always work. For example, the Honeywell thermostat can no longer be operated from our phones and is difficult to install. Remote door locks are also unpredictable."
William B on November 2019

1privateinvestigator.com
1privateinvestigator.com
We are here to provide investigation and litigation support services to private individuals, attorneys, corporations, small businesses and insurance companies. Call toll free, phone number: (844) 663-4631. Since 1980, Our firm has been providing professional, licensed private investigation and private detective services, to businesses and individuals. Our clients include law firms, insurance companies, major corporations and small businesses. Our nationwide private investigations, private detectives, and litigation support staff, also provide many services to private individuals. Our work for individuals includes confidential marital infidelity cases, child custody cases and nanny surveillance. Our staff includes police-trained, seasoned professional investigators, document experts, interview experts, and industry experts in the credit, collections, lending, and legal fields. We investigate online and offline. If you have a hunch, we can check it out and find the truth – as we have done for so many clients. FREE CONSULTATION 844- 663- 4631
"The team of 1privateinvestigator is the most polite, well-spoken private investigator firm that we have ever hired. They answer all your questions with patience and calmness. I suggest everyone looking for dependable PI services to hire them."
Carlos H on July 2021
We are here to provide investigation and litigation support services to private individuals, attorneys, corporations, small businesses and insurance companies. Call toll free, phone number: (844) 663-4631. Since 1980, Our firm has been providing professional, licensed private investigation and private detective services, to businesses and individuals. Our clients include law firms, insurance companies, major corporations and small businesses. Our nationwide private investigations, private detectives, and litigation support staff, also provide many services to private individuals. Our work for individuals includes confidential marital infidelity cases, child custody cases and nanny surveillance. Our staff includes police-trained, seasoned professional investigators, document experts, interview experts, and industry experts in the credit, collections, lending, and legal fields. We investigate online and offline. If you have a hunch, we can check it out and find the truth – as we have done for so many clients. FREE CONSULTATION 844- 663- 4631
"The team of 1privateinvestigator is the most polite, well-spoken private investigator firm that we have ever hired. They answer all your questions with patience and calmness. I suggest everyone looking for dependable PI services to hire them."
Carlos H on July 2021
The Twain Harte, CA homeowners’ guide to home security system services
From average costs to expert advice, get all the answers you need to get your job done.

Discover how much smoke detector installation costs. Understand your out-of-pocket expenses so you can protect your family and home.

A security camera system gives you peace of mind that there’s always a watchful eye on your home. Learn the costs of installing surveillance cameras.

Motion-sensor lighting costs vary greatly because they have so many customizations available. Learn more by using this cost guide about motion-sensor lights.

Don't ignore your smoke detector if it has flashing red lights. It could indicate a problem that needs immediate attention. Here's how to tell what to do.

Home security upgrades include installing security cameras, lighting, window and door upgrades, and more. Keep reading to see how to secure your home.

Wondering where to place security cameras inside and outside of your home? Get expert guidance on the best locations for surveillance.
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- 🌱 "Mow a small front yard"
- 🛠 "Fix a leaking pipe under the sink"
- 🏠 "Repair shingles on an asphalt roof"

