MarkhamHeritageHeritage Conservation Districts
Published by City of Markham
This is the City of Markham’s document, as published on its website on 18 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice
A two-page brochure in the City of Markham's Heritage Matters…in Markham series, June 2025, introducing the City's four heritage conservation districts under Part V of the Ontario Heritage Act: Thornhill, Markham Village, Buttonville and Unionville. It explains what a district is and its purpose, the kind of new construction considered appropriate, where to find each district's Heritage District Plan, the approvals that apply to exterior alterations, new construction and demolition, financial assistance, property values and district signage and streetscape features.
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