Source-reviewed city index
Common residential permit questions for Whitby, organized by project. Open any row to see the conditions, official evidence and property-specific limitations behind the answer.
Latest represented review
Oct 1, 2026
A permit answer can still depend on dimensions, use, plumbing, structural work, zoning or the exact property. BuildRules keeps those conditions visible instead of reducing the rule to a false green-or-red score.
What do you need for an additional dwelling unit in Whitby?
Whitby requires the applicable building permits and registration for ADUs, with property eligibility governed by zoning and Town requirements.
1 official source
Do you need a permit to finish a basement in Whitby?
Yes. Whitby lists finished basements among typical projects requiring a building permit.
1 official source
Do you need a permit for a deck in Whitby?
Whitby lists decks greater than 24 inches above grade among typical projects requiring a building permit.
1 official source
Do you need a permit for a home addition in Whitby?
Yes. Whitby lists additions among typical permit-required projects and accepts Residential Alterations / Additions applications through its E-Portal.
1 official source
Do you need a shed permit in Whitby?
A shed accessory to a dwelling can be permit-exempt when it is less than 15 m², but zoning rules still apply.
1 official source