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Application for Occupancy Permit – Single Family, Semi-Detached, Townhouse (Row House), Additional Dwelling Unit (ADU)

Published by City of Hamilton

This is the City of Hamilton’s document, as published on its website on 19 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice

Type: Form
Published by: City of Hamilton
Date: March 5, 2025
Also called: Single Family, Semi-Detached, Townhouse (Row House), Additional Dwelling Unit (ADU)
Form reference: Ontario Building Code – Division C – Subsection 1.3.3
For: any
Signed by: owner · builder · authorized agent
Building types: All building types
Pages: 1
Window: A minimum of three (3) business days for confirmation, and a minimum of two (2) business days to process and issue the permit
Submit to: building@hamilton.ca
Instruments: Ontario Building Code – Division C – Subsection 1.3.3 · Building By-law 15-058 · Building Code Act, 1992

Overview

The City of Hamilton Building Division's occupancy permit application for a new single family, semi-detached or townhouse dwelling and for internal or detached additional dwelling units, the low-rise counterpart to the city's multi-unit residential, industrial, commercial and institutional version, with a separate form for each unit. Box A and Box B list water meter, sanitary sewer dye test certificate, radon rough-in and final as-built survey items; Box C runs through structure and envelope, fire ratings, smoke alarms, garage gas proofing, grading as per OBC 9.14 and septic system.

What it covers

Application type
Address
OBC requirements – confirm these requirements are completed by checking the box
Owner/Builder/Authorized Agent Information (must be completed in full)

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