Denver, CO (303) 452-2000


Get the peace of mind that you deserve with a customized home security solution from Alarm One!

Denver area residents have been turning to Alarm One! for nearly two decades, for the customized home security products and services that we offer.

Our company is equipped to meet all of your home security needs, including home alarm systems, home monitoring services, carbon-monoxide detectors and more, providing the peace of mind that you deserve, at an affordable price.

Our security technicians will expertly install all of the security equipment that you need to protect your home and property, inside and out, including burglar alarms, home security cameras, intercom systems, security lighting and more, providing the maximum level of protection for your family and loved ones.

Reliable Home Protection

Our company is an authorized re-seller of Honeywell residential security products, a brand that your family can trust. We provide expert installation of your security system, as well as post installation training and maintenance support, to ensure that your security system always performs at an optimal level.

Expert Service Installation

Keeping your home safe and protected has never been easier, with the fast and reliable expert home security installation services that we provide. Our Denver-based residential security installation team will arrive on-schedule to install your home security system, with the minimum amount of disruption to your home, family and pets.

Remote Access for Maximum Control


We offer home security and home automation products that you can control from anywhere. Manage your home’s security system, lighting, thermostat and more, with advanced system features that provide the ultimate in comfort and convenience. Contact us today, to explore the various remote enabled security services that we offer for your home.