Could your basement become a legal secondary suite?

This qualifier walks through the major factors that determine whether a basement can be legalized as a secondary suite under the 2024 Ontario Building Code: ceiling height, entrance, egress, zoning, and a few others. It produces a clear, honest preliminary read on where your basement stands.

It is not a substitute for a site visit, drawings, or municipal review. A licensed professional must verify specifics before any project can proceed. What this gives you is a baseline — and a starting point for the conversation.