Project template
Your preparation checklist
Use it as a working list. The final submission still needs to match your actual scope and the City’s current requirements.
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What to do next
- Confirm zoning and lot constraints
- Check whether grading or other pre-approvals apply
- Prepare coordinated drawings
- Submit the residential permit package before construction
Official sources behind this page
Home additionBuilding permit required
Richmond Hill lists additions to existing homes among permit-required residential work.
City of Richmond HillBuilding Permits · Permit triggers including decks, renovations and finished basements
2026-10-02Open proof
Pre-approvalsMay be required before permit issuance
The residential permit process lists possible site alteration, planning, conservation and urban-planning approvals.
City of Richmond HillResidential Permits · Residential project checklists, basement, deck and walkout permit routes
2026-10-02Open proof
DrawingsSite, architectural and structural information may be required
Richmond Hill’s residential guidance identifies multiple drawing types for an addition or alteration application.
City of Richmond HillResidential Permits · Residential project checklists, basement, deck and walkout permit routes
2026-10-02Open proof
Need the full project answer?
The main guide keeps the permit trigger, zoning questions, documents, fees, timing and next steps together.
Open the home addition guide