Whitchurch-StouffvilleBuilding PermitsSecond Suites
Guide to Constructing a Second Suite in a Detached Dwelling
Published by Town of Whitchurch-Stouffville
This is the Town of Whitchurch-Stouffville’s document, as published on its website on 16 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice
- Type
- Guide
- Published by
- Town of Whitchurch-Stouffville
- Also called
- Second Suites Q&A Guide
- For
- homeowner
- Building types
- Houses
- Pages
- 5
- Agencies
- Electrical Safety Authority · Enbridge Gas Services
- Instruments
- Comprehensive Zoning Bylaw 2010-001-ZO · Building Bylaw 2012-004-BU · [Ontario] Building Code · [Ontario] Fire Code · Fire Protection and Prevention Act · Residential Tenancies Act
Overview
Whitchurch-Stouffville Building Services' five-page guide to constructing a second suite in a detached dwelling, in questions and answers and linked from the Second Suite Permits page as its Q&A Guide. It links the Second Suites Registration Bylaw, summarises Comprehensive Zoning Bylaw 2010-001-ZO on second suites, and explains the Ontario Building Code and the Ontario Fire Code for suites built on or before July 14th 1994, then covers costs and contacts, what site plans, floor plans, elevations, sections and details show, key design items, the 15-business-day permit timeline, inspections and registration.
What it covers
- Why do I need a Building Permit?
- Where can I find regulatory infomation?
- Second Suites Registration Bylaw
- Comprehensive Zoning Bylaw
- [Ontario] Building Code
- [Ontario] Fire Code
- How much will this cost?
- Fees and Charges Bylaw
- Where can I find contact infomation?
- How do I get a Building Permit?
- Plans Submission
- Site Plan
- Floor Plans
- Elevations
- Wall, Floor, Ceiling & Roof (Building) Sections
- Details & Notes
- Mechanical
- What key items are applicable to most second suite designs?
- How long will it take to get a Building Permit?
- When can I start construction?
- When do I call for an inspection?
- May I rent out my second suite after a successful final building inspection?
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