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Alarm Takeovers
Keep your compatible equipment and switch your monitoring to Knightwatch.
York Region · Service area
Home and business security systems in Markham
Markham combines historic Unionville and Markham Village with large newer communities like Cornell and Berczy Village, and major business parks along Highways 404 and 407. Knightwatch designs and monitors security for all of them.
- Unionville
- Markham Village
- Cornell
- Berczy Village
- Cathedraltown
- Thornhill (Markham)
Photo: Unionville Wheelwright and Blacksmith Snop by Leventio, CC BY-SA 4.0 (cropped)
Newer subdivisions and builder-installed alarms
Many Markham homes built in the last few decades came with pre-wired contacts and a basic panel. Those systems are often good candidates for an alarm takeover: we test what's there, reprogram the panel, and add what the builder package left out — garage-entry doors, basement windows, motion coverage and monitored smoke detection.
Heritage homes in Unionville and Markham Village
Older houses near the historic main streets need discreet, mostly wireless devices that don't damage original finishes, plus exterior cameras placed to suit the streetscape.
Business parks and offices
Offices, technology companies and light-industrial tenants in Markham's business parks typically need card access control, server-room temperature monitoring, and video surveillance for entrances and parking — integrated with a monitored alarm.
Knightwatch services available in Markham
Home
Alarm Installations
A system designed around your home’s layout, installed and tested by our own technicians.
Home
Security Cameras
Planned camera coverage with AI alerts, night video and local recording.
Business
Access Control
Card, fob, PIN and mobile access plus telephone entry.
Business
Security Cameras & Video Surveillance
Coverage planning, AI analytics, active deterrence and scalable recording.
Business
Emergency Alert Systems
Panic, medical and temperature alarms for businesses.
Frequently asked questions
My Markham home came with a builder alarm. Can you monitor it?
In many cases, yes. We evaluate the panel and devices for free and explain what can be reused — see alarm takeovers.
Do you install access control for offices?
Yes — card, fob, PIN and mobile credentials. See commercial access control.
Where we work
Markham and nearby service areas
Knightwatch serves Markham as part of our Toronto and GTA service area, along with nearby communities:
Protect your Markham home or business
Free on-site evaluation and quotation. No annual contract.