Home Security in Markham

Build a smarter, safer home

Security meets smart automation for your Markham home with Canada’s most trusted alarm service.¹ Welcome to a seamless home security system.

Shop plans

Explore products

A collage of images shows various home security products and a man holding a baby, using a home security panel.

Customizable plans

Pick your perfect plan and select the devices that meet your home’s unique needs.

Easy installation options

Have our professional technicians handle every detail or enjoy convenient self-installation.

Expertise you can count on

ADT is now TELUS, bringing 150 years of proven experience to your home security‌.

Home security systems to protect your Markham home

Protect what matters most

Enjoy peace of mind knowing your home and family are safe. Easily access 24/7 live video footage, monitor for fire, flood and carbon monoxide, detect break-ins and more‌.

Browse security devices

A young girl playing with a dog at home.

Design your perfect plan

Choose 24/7 professional monitoring or monitor from your smartphone. Customize and add devices to your plan, or even use compatible products you already own.

Compare plans

A man and woman looking at a tablet together.

A smart home for smarter savings

Save time and money with home automation. Set a routine for your lights, appliances and thermostat to maximize your home’s efficiency.

Discover home automation

A smartphone displays the ability to control lights in the SmartHome Security app.

Security alerts and home automation all in one simple app

Receive security notifications, speak through your doorbell camera and even control your lights all from the SmartHome app - whether you’re at home in Markham or out and about.