Markham · York Region
Windows & Doors in Markham, Ontario
MK Windows & Doors provides Markham customers with replacement windows, entry doors, patio doors and project supply for residential work. We help organize window and door choices around the openings, desired function and overall project scope.
Windows
Replacement · Installation · Supply
Doors
Entry · Patio · Hardware
Windows + doors on one page
One project view for Markham
A Markham project can combine practical replacement needs with an exterior refresh. We keep window operation, entry-door appearance and installation details separate enough to make good choices while coordinating the final package.
Replacement and exterior updates
Operating and fixed window choices
Steel, fiberglass and patio doors
Installation or supply-only options
Window & door project types in Markham
Markham customers can combine replacement and installation in one scope or request product supply for renovation and construction work managed by another trade team.
Replacement
Replace older or difficult-to-operate windows and exterior doors with options selected for the existing openings.
Learn moreInstallation
Professional installation for compatible window, entry-door and patio-door systems included in the project scope.
Learn moreNew construction
Window and door supply for new homes, additions and residential construction projects, with installation available when required.
Learn moreSupply only
Product-only window and door supply for homeowners, builders and contractors who already have installation arranged.
Learn moreWindows in Markham
Compare window options
For ventilation and everyday use, compare casement, awning, hung and slider styles. Fixed and architectural configurations can be used where more glass or a specific shape is the priority.
View all window stylesDoors in Markham
Entry doors, patio doors & hardware
Entry-door projects can compare steel and fiberglass systems, while patio doors can be planned around clear opening size, glass area and smooth daily operation.
Nearby service areas
Compare nearby city pages or return to the full service-area hub for all communities served by MK Windows & Doors.
Plan a Markham window and door project
Send your city, project type, approximate number of openings and whether you need product supply, installation or both.