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TRUSTED BY LARKSPUR, CA HOMEOWNERS
4.4
Average homeowner rating35
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Verified Reviews for Home Security System Service pros in Larkspur, CA
*The Angi rating for Home Security System Service companies in Larkspur, 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 Larkspur, 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 30, 2025
Find Home security system pros in Larkspur

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

Service Champions Heating & Air Conditioning
Service Champions Heating & Air Conditioning
Service Champions is the leading heating and air conditioning contractor in Northern California servicing homeowners in East Bay, South Bay and Sacramento areas. We can make your home more comfortable and improve the quality of air you and your family breathe. We specialize in maintenance, repair and sales of all brands of air conditioners and heaters, and are experts in indoor air quality improvement through filtration, duct replacement, insulation and hospital grade UV lights. All the air conditioners we install have the new environmentally friendly refrigerant that does not damage the ozone. We also are huge proponents of super high efficient equipment, such as 95% efficient furnaces. This equipment saves homeowners a tremendous amount of money on their utility bills.
"Our Service Tech, Alex Peck, arrived on time to perform the annual check up & tune-up of our HVAC System. He was very professional and following the Tune-Up asked if there was any other items that needed done or looked into that he could take care of. His services were very much appreciated and very professional. Lee"
Lain L on September 2025
Service Champions is the leading heating and air conditioning contractor in Northern California servicing homeowners in East Bay, South Bay and Sacramento areas. We can make your home more comfortable and improve the quality of air you and your family breathe. We specialize in maintenance, repair and sales of all brands of air conditioners and heaters, and are experts in indoor air quality improvement through filtration, duct replacement, insulation and hospital grade UV lights. All the air conditioners we install have the new environmentally friendly refrigerant that does not damage the ozone. We also are huge proponents of super high efficient equipment, such as 95% efficient furnaces. This equipment saves homeowners a tremendous amount of money on their utility bills.
"Our Service Tech, Alex Peck, arrived on time to perform the annual check up & tune-up of our HVAC System. He was very professional and following the Tune-Up asked if there was any other items that needed done or looked into that he could take care of. His services were very much appreciated and very professional. Lee"
Lain L on September 2025

Digital Living
Digital Living
****WINNER - 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014 BEST OF HomeAdvisor Award***** Digital Living is a licensed California contractor, bonded and insured, with over 25 years of extensive technology experience. We make technology work! From high end custom homes to Class A commercial buildings, Digital Living provides our customers with today's latest technology solutions that connect and enhance their lives. "We work with the most discerning clients to those on a budget, who just want their technology just to work correctly." "In all cases we build trusting and lasting relationships with our clients because customer service is the cornerstone of what we do and who we are." Owner Derich Marsh. Some of the services we provide are: home theater, multi-zone audio-video, home automation, TV mounting, universal remote controls, wifi and wired networks as well as extensive experience in structured commercial and residential cabling. Give us a call today!
"Very friendly and thorough"
Cheri R on June 2022
****WINNER - 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014 BEST OF HomeAdvisor Award***** Digital Living is a licensed California contractor, bonded and insured, with over 25 years of extensive technology experience. We make technology work! From high end custom homes to Class A commercial buildings, Digital Living provides our customers with today's latest technology solutions that connect and enhance their lives. "We work with the most discerning clients to those on a budget, who just want their technology just to work correctly." "In all cases we build trusting and lasting relationships with our clients because customer service is the cornerstone of what we do and who we are." Owner Derich Marsh. Some of the services we provide are: home theater, multi-zone audio-video, home automation, TV mounting, universal remote controls, wifi and wired networks as well as extensive experience in structured commercial and residential cabling. Give us a call today!
"Very friendly and thorough"
Cheri R on June 2022

Northbay Technology Company
Northbay Technology Company
Northbay Technology Company is committed to excellence in 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.
"This was the third company we contacted after having no follow through with the first two. I explained to Ramiro of Northbay Technology what our problem was. He had a technician here in a few days, he fixed the problem as well as giving us useful feedback on our system. Our streaming and dvd system work after not having it for almost 3 months! Ramiro also called afterwards to make sure everything was still working. What a treat to find a quality company that does what they say theyâll do and also offer great customer service."
Pamela K on November 2018
Northbay Technology Company is committed to excellence in 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.
"This was the third company we contacted after having no follow through with the first two. I explained to Ramiro of Northbay Technology what our problem was. He had a technician here in a few days, he fixed the problem as well as giving us useful feedback on our system. Our streaming and dvd system work after not having it for almost 3 months! Ramiro also called afterwards to make sure everything was still working. What a treat to find a quality company that does what they say theyâll do and also offer great customer service."
Pamela K on November 2018

North Cal Security Inc
North Cal Security Inc
North Cal Security Inc is a company based in South San Francisco CA providing their customers CCTV Camera surveillance, Alarm Panels Systems, intercoms (Multi Dwelling Apartments and Condos), Access (Door) Control Systems, Network and Cabling Services and more! Serving: Daly City, CA; San Francisco, CA; San Mateo, CA; San Carlos, CA; Redwood City, CA Petaluma, CA; San Rafael, CA; Palo Alto, CA; San Jose, CA and all other surrounding Bay Area Cities. Over 30 Years Experience, Family Owned and Operated. Lifetime Camera Warranty Available, No Contracts or Monitoring Fees. Schedule Free Walkthroughs and Quotes. Honest Prices, Honest Service, Professional Work. http://northcalsecurity.com
"Fixed issues from a previous contractor. Very professional and easy to work with. Understood exactly what needed to be done and completed on time."
Evan D on July 2024
North Cal Security Inc is a company based in South San Francisco CA providing their customers CCTV Camera surveillance, Alarm Panels Systems, intercoms (Multi Dwelling Apartments and Condos), Access (Door) Control Systems, Network and Cabling Services and more! Serving: Daly City, CA; San Francisco, CA; San Mateo, CA; San Carlos, CA; Redwood City, CA Petaluma, CA; San Rafael, CA; Palo Alto, CA; San Jose, CA and all other surrounding Bay Area Cities. Over 30 Years Experience, Family Owned and Operated. Lifetime Camera Warranty Available, No Contracts or Monitoring Fees. Schedule Free Walkthroughs and Quotes. Honest Prices, Honest Service, Professional Work. http://northcalsecurity.com
"Fixed issues from a previous contractor. Very professional and easy to work with. Understood exactly what needed to be done and completed on time."
Evan D on July 2024
"He is very responsive. Whenever I have problem I call him and they will come whenever I need them."
Kin Y on October 2021
"He is very responsive. Whenever I have problem I call him and they will come whenever I need them."
Kin Y on October 2021
FOXTRON SECURITY INC
FOXTRON SECURITY INC
Specializing in alarm systems, camera systems, intercoms, access control.
Specializing in alarm systems, camera systems, intercoms, access control.

Best Care Fire Protection
Best Care Fire Protection
We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We specialize in fire sprinkler system design, installation, or repair, and a variety of other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!
We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We specialize in fire sprinkler system design, installation, or repair, and a variety of other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!
The Larkspur, 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.

From warding off intruders to protecting from falls, bars on windows can make a home much more secure. Here’s how much it costs to install bars on windows.
•Discover wall safe installation cost details. Learn about average prices, key cost factors, and tips to save on your wall safe project.

How much does it cost to install a doorbell camera? It depends on whether you plan to DIY or hire a pro. Learn about different models and their power sources, too.

You don’t have to spend thousands to set up a security system. Follow this DIY guide to learn how to install security cameras and protect your home.

Which is better for your home: a wired security system or a wireless system? We’ll explore the pros and cons of each option to help you decide.

When comparing motion detectors vs. window sensors, you’ll want to compare cost, security level, customizations, and more. See how each compares in this guide.
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