Permits in North Grenville
When a backyard shed, deck, or fence needs a building permit in North Grenville, Ontario, with the size cut-offs, coverage level, and source link.
Coverage
Municipal rule
Shed
A building permit is required for accessory structures larger than 15 m2 (162 sq ft); smaller detached storage structures may be exempt if they have no plumbing, subject to zoning setbacks.
Deck
Decks require a building permit (Deck Permit Requirements and Code Information).
Fence
Fences do not require a building permit but must comply with the local fence by-law; pool enclosures require a permit.
The provincial baseline
Under the Ontario Building Code, a detached one-storey storage shed of 15 square metres (about 160 square feet) or less, with no plumbing, does not need a building permit. Anything larger, with plumbing, or attached to another building does. Zoning rules (setbacks, height, lot coverage) always apply even when no building permit is needed.
North Grenville permit questions
Do I need a permit to build a shed in North Grenville?
A building permit is required for accessory structures larger than 15 m2 (162 sq ft); smaller detached storage structures may be exempt if they have no plumbing, subject to zoning setbacks. Source: North Grenville building department, last checked 2026-07-03.
Do I need a permit for a deck in North Grenville?
Decks require a building permit (Deck Permit Requirements and Code Information).
Do I need a permit for a fence in North Grenville?
Fences do not require a building permit but must comply with the local fence by-law; pool enclosures require a permit.
Source
From North Grenville building department, last checked 2026-07-03. Permit payments: Building Permits and Fees News Careers Calendar Business Directory Contact Us Search Building Permits and Fees Building Permit Application Portal (coming soon) Building Permit Application PDF (downloa
This is a plain-language explainer, not legal or professional advice, and not the bylaw itself. Rules change and vary by zone within a city. Always confirm with your municipality's building department and the linked official page before you build. Decks and sheds near a conservation authority's regulated area may need a separate permit.
Other municipalities: Athens, Augusta, Brockville, Edwardsburgh/Cardinal. Or see every municipality.