Published by City of Markham under Guide Building Permits
The City of Markham's guide to converting a single or semi-detached house into a 3- or 4-dwelling unit building, up to 3 storeys and 600 square metres in building area, under the 2024 Ontario Building Code and zoning by-law 2024-19. It covers zoning site and parking requirements, fire separation between units, sound transmission ratings, egress and egress windows, smoke and carbon monoxide alarm placement, minimum room areas, ceiling heights, door sizes and natural lighting, then the building permit application, inspection stages and Markham Fire and Emergency Services registration that follow construction.
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