Over 23 Years of Hard Work | Service & Quality Second to None | BBB Accredited Business Since April, 2014

Simpson Windows & Doors: Serving York Region & Simcoe County for Over 23 Years

Family owned and operated Simpson Windows & Doors serves contractors and homeowners in Newmarket and surrounding communities, providing sales and installations of top quality doors and windows.

Replacement Doors & Windows
At Simpson Windows & Doors, we are committed to providing the highest quality of service and workmanship available. We are fully insured for both liability coverage and workman’s comp, and all of the products we sell are Energy Star rated.

Our experienced technicians can provide a full range of professional services for new replacement doors and windows projects, and everything is custom ordered to perfectly meet your needs and your style.

We invite you to visit our Newmarket showroom to view the wide selection of colours and styles we have available, or give us a call to schedule an in-home consultation.

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  • Exterior Doors
  • Patio & Garden Doors
  • Windows
  • Shutters
  • Siding
  • Eavestroughing

Come & See Us

200 Davis Drive, Unit #11, Newmarket, ON, L3Y 2N4Get Directions »
Newmarket Office:
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148 Sandringham Drive, Barrie, ON, L4M 0C9Get Directions »
Barrie Office: