Zoning & land use — Cornwall, Ontario

What can I build? Do I need a development permit?

The City of Cornwall, Ontario has 1 adopted bylaw on file: City of Cornwall Zoning By-law (adopted Jan 10, 2022; December 2025 office consolidation), verified 2026-08-23.

City of Cornwall Zoning By-law (adopted Jan 10, 2022; December 2025 office consolidation) adopted bylaw

Comprehensive consolidated zoning by-law: zone districts, permitted uses, lot/setback/height/parking standards across 29 sections (residential, commercial, institutional, employment, agricultural, open space).

Machine-readable: zoning.json · Official website: https://cornwall.ca · Last verified 2026-08-23 · Zoning & land use in other municipalities