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Creating a Legal Basement Apartment in Markham: Extra Steps, Permits & Building Code Guide
Executive Summary: Creating a legal secondary suite or basement apartment in Markham requires completing mandatory regulatory and structural steps beyond standard basement finishing, including Ontario Building Code (OBC) Part 9 compliance, Markham Zoning By-law 2006-96 parking verification, 30-to-60 minute fire separation assemblies, dedicated egress routes, and official municipal registry sign-off. While Ontario’s More Homes Built Faster Act (Bill 23) permits up to three res
20 hours ago9 min read
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