MarkhamZoningPreliminary Zoning Review
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
The City of Markham Building Standards' four-page Frequently Asked Questions on Zoning AI PreCheck, linked from the Building News and Guide To Building Permits pages. It describes the optional, no-cost, AI-assisted zoning check in the permit portal for New Single Detached House applications, available from Summer 2026, and answers questions on how it works, what the report contains, that it is informational only and approves nothing, the Archistar platform behind it, copyright and data use, storage and security, preparing and uploading drawings, and who to contact.
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