MarkhamBuilding PermitsSecond Suites

A By-law to register Second Suites

Published by City of Markham

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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

Overview

Markham's By-law 2018-57, A By-law to register Second Suites, passed May 29, 2018 and consolidated to November 2022 with amending By-law 2022-113, which rewrote the definition of a detached house. It is linked from Markham's page on registering basement apartments and second suites. It defines principal and secondary dwelling units in detached, semi-detached and row houses, and sets out registration and renewal with the Chief Fire Official as Registrar, inspection against the Ontario Building Code, Fire Code, zoning and property standards, refusal and revocation, fees, fines and administrative penalties.

What it covers

Definitions
Application
Prohibition
Registration
Registration and Registration Renewal
Refusal and Revocation
Notification of Revocation
Offence
Penalties
Administrative Penalties
Fees and Charges for Recovery of Costs of Enforcement
Enforcement
Replace and Repeal of Previous By-law

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