2025 events
Registration for 2025 is now open. As more communities register for Doors Open Ontario 2025, you will see them appear on this list. The deadline for registration is March 31, 2025.
April
- Guelph (April 26)
May
- Oshawa (May 3)
- Hamilton Region (May 3-4)
- Along the Grand (May 10)
- Richmond Hill (May 10)
- Toronto (May 24-25)
June
- Whitchurch-Stouffville (June 7)
- Ottawa (June 7-8)
- Loyalist Township (June 14)
- Owen Sound (June 21)
August
- Seaforth (August 1-2)
- Burlington (August 9)
- St. Marys (August 9)
- Cornwall and SDG Counties (August 16-17)
- Rideau Lakes (August 16-17)
September
- Peterborough (September 13)
- Aylmer and Area (September 20)
- Waterloo Region (September 20)
- London (September 20-21)
- Aurora (September 21)
- Markham (September 27)
- Mississippi Mills (September 28)
October
- Woodstock (October 4)
- Niagara-on-the-Lake (October 18)