America's #1 Choice in Home Security!
Help Protect What's Important

Help Secure Your Home Today: 1-888-745-9101

We Have Agents in Ontario, CA

Help Protect Your Family for JUST about $1 a Day!

Millions of satisfied customers believe that ADT monitored home security systems help make their homes safe!

  • Get Fast Alarm Response
  • Easy To Use System
  • Save $200 Today!

May save up to 20% off your homeowner's insurance

Call Now and Help Secure Your Home Today!

1-888-745-9101

California Residents


  • Cost-Effective Security

  • Monitored Safety for Peace of Mind

  • User Friendly

ADT Security Ontario, CA - The Name You Can Trust

ADT has been helping to protect homes and families for more than 130 years. With over 130 years of experience, ADT is established at the forefront of home security in Ontario, CA, which is why more people trust ADT than they do smaller local security providers. Thanks to affordable and effective monitoring service, ADT is the best choice for Ontario residents to help keep their homes and families safe. With packages and services designed for almost any home, you won't find a better fit for your security needs than ADT.

ADT Monitoring For Ontario Homes

Possible home invasion is only one of the many dangers facing your family in Ontario, CA. ADT has four interconnected monitoring centers that are staffed full time by professional dispatchers, ready to help respond to a break-in, a fire or even a medical emergency. Monitoring service is in place all day, every day so your home is never left without protection. Not only is ADT monitoring available to Ontario residents for about $1 a day, but professional monitoring may also make you eligible for a discount on your home insurance.

Security Solutions For Every Home in Ontario, CA From ADT

ADT monitored security systems offer professional protection with intuitive interfaces. Home security equipment can vary depending on the security needs of your home in Ontario, CA. From wireless sensors to infrared motion detectors, each piece of equipment plays an important safety role. Security equipment is easy to operate, protected by battery backup and installed by professionals so you know it's working. No matter which devices you ultimately choose, dependable home security equipment backed by professional 24/7 monitoring from ADT is essential to your home security.

Learn More About ADT Home Security Or Simply Call Today

Home security is an important investment for Ontario, CA residents to make. For the price of your morning coffee each day, alarm monitoring from ADT can help protect your home and end up saving you thousands of dollars in the long run. More important than stolen property or fire damage, ADT monitored home security systems provides you with the peace of mind that no matter where you are there is someone watching over your Ontario home. Call today to discover more ways ADT's monitoring can benefit you.

Loma Linda, CA (22.3 mi.) Twin Peaks, CA (26.8 mi.) Orange, CA (22.3 mi.) Azusa, CA (15.5 mi.) San Bernardino, CA (20.9 mi.) Whittier, CA (22.6 mi.) Colton, CA (19.3 mi.) Garden Grove, CA (26.0 mi.) Walnut, CA (12.6 mi.) Santa Ana, CA (25.2 mi.) Brea, CA (17.5 mi.) East La Mirada, CA (21.6 mi.) Moreno Valley, CA (25.6 mi.) Norco, CA (10.9 mi.) Yorba Linda, CA (15.2 mi.) Norwalk, CA (27.1 mi.) Arcadia, CA (22.6 mi.) Anaheim, CA (21.8 mi.) Rubidoux, CA (14.8 mi.) Blue Jay, CA (28.2 mi.) Highland, CA (25.7 mi.) Rialto, CA (16.3 mi.) Pico Rivera, CA (26.1 mi.) La Verne, CA (7.2 mi.) Fullerton, CA (20.6 mi.) Baldwin Park, CA (17.8 mi.) Crestline, CA (24.3 mi.) Avocado Heights, CA (19.6 mi.) Glendora, CA (13.3 mi.) Buena Park, CA (24.1 mi.) Mira Loma, CA (9.1 mi.) Upland, CA (2.4 mi.) Phelan, CA (25.5 mi.) Claremont, CA (4.6 mi.) Foothill Ranch, CA (26.0 mi.) Monrovia, CA (20.8 mi.) Monterey Park, CA (27.0 mi.) Montebello, CA (26.3 mi.) Placentia, CA (18.2 mi.) Montclair, CA (2.4 mi.) La Mirada, CA (23.0 mi.) West Covina, CA (16.5 mi.) South San Jose Hills, CA (14.9 mi.) La Palma, CA (27.2 mi.) La Habra, CA (19.2 mi.) Rosemead, CA (24.2 mi.) Chino Hills, CA (7.8 mi.) Cedarpines Park, CA (22.6 mi.) Bloomington, CA (14.6 mi.) Duarte, CA (19.4 mi.) Alhambra, CA (27.3 mi.) San Dimas, CA (9.4 mi.) Redlands, CA (26.8 mi.) Silverado, CA (21.9 mi.) Hacienda Heights, CA (18.8 mi.) Cypress, CA (27.9 mi.) Pomona, CA (5.8 mi.) Rowland Heights, CA (15.8 mi.) San Gabriel, CA (26.1 mi.) City of Industry, CA (17.9 mi.) Covina, CA (13.8 mi.) Cerritos, CA (27.6 mi.) Wrightwood, CA (20.6 mi.) La Puente, CA (17.4 mi.) Rancho Cucamonga, CA (4.4 mi.) Tustin, CA (24.1 mi.) Santa Fe Springs, CA (26.1 mi.) Chino, CA (4.1 mi.) Corona, CA (13.9 mi.) Fontana, CA (12.5 mi.) El Monte, CA (21.6 mi.) Artesia, CA (28.3 mi.) San Marino, CA (26.4 mi.) Temple City, CA (23.5 mi.) Diamond Bar, CA (9.4 mi.)