Home Extension / Rear Addition Permit in Scarborough
Getting a home extension / rear addition permit in Scarborough means working through Toronto Building (Scarborough District) - a process with its own local zoning by-law, specific requirements, and timeline expectations. PermitsHub handles every step for Scarborough homeowners: compliant permit drawings, zoning review, application submission, and revision management through to approval.

How we handle home extension / rear addition permits in Scarborough
- 1
Initial zoning review under Scarborough's by-law to confirm the project is permitted as-of-right or identify variance needs
- 2
Home Extension / Rear Addition permit drawings prepared to Toronto Building (Scarborough District) standards (site plan, floor plans, structural details)
- 3
Application submission via All Scarborough permit applications are processed through Toronto Building's centralized online portal.
- 4
Proactive correspondence and revision management with Toronto Building (Scarborough District) until the permit is issued
Key considerations for Scarborough
Rear yard setback requirements must be maintained - typically 7.5 m in Toronto residential zones.
Lot coverage maximums (typically 33–40% in residential zones) apply to the total of all structures.
Foundation design depends on soil conditions and the scope of the addition.
Connection to the main dwelling's structure must be shown on structural drawings.
Properties near the Scarborough Bluffs or ravine system may require TRCA approval before permit issuance.
Home Extension / Rear Addition permits in Scarborough - common questions
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