Doors Open Ontario 2024 Dates. Saturday, september 21, 2024, from 10 a.m. Ontario’s legislative building will join over 150 sites for doors open toronto 2024 🡥 on may 25 and 26.

Doors open toronto 2024 features several new sites like the. Toronto, april 26, 2024 — this year, experience the beauty and history of ontario firsthand with the annual doors open ontario event.