Ontario Building Permits by Municipality
Find building permit requirements, zoning by-laws, development charges, conservation authority rules, and permit timelines for every municipality in Ontario. Select a city below for detailed permit information, or run a PermitSnapshot report for your specific property.
Professional Disclaimer
This is an AI-generated informational snapshot. It is NOT legal, engineering, architectural, or permitting advice. All data must be verified with the municipality and qualified licensed professionals. Do not make construction, purchasing, or investment decisions based solely on this report.
Showing 24 of 24 municipalities
Toronto
Toronto
Population: 2,794,356
Permit Timeline: 10-20 business days (residential)
Conservation: TRCA
Ottawa
Ottawa
Population: 1,017,449
Permit Timeline: 10-15 business days (residential)
Conservation: RVCA / MVCA / SNC
Mississauga
Peel Region
Population: 717,961
Permit Timeline: 10-15 business days (residential)
Conservation: CVC / TRCA
Brampton
Peel Region
Population: 656,480
Permit Timeline: 10-15 business days (residential)
Conservation: TRCA / CVC
Hamilton
Hamilton
Population: 569,353
Permit Timeline: 10-20 business days (residential)
Conservation: HCA / GRCA / NPCA
London
Middlesex County
Population: 422,324
Permit Timeline: 10-15 business days (residential)
Conservation: UTRCA
Kitchener
Waterloo Region
Population: 270,929
Permit Timeline: 10-15 business days (residential)
Conservation: GRCA
Windsor
Essex County
Population: 229,660
Permit Timeline: 10-15 business days (residential)
Conservation: ERCA
Barrie
Simcoe County
Population: 147,829
Permit Timeline: 10-15 business days (residential)
Conservation: LSRCA / NVCA
Kingston
Frontenac County
Population: 132,485
Permit Timeline: 10-15 business days (residential)
Conservation: CRCA
Guelph
Wellington County
Population: 143,740
Permit Timeline: 10-15 business days (residential)
Conservation: GRCA
Markham
York Region
Population: 338,503
Permit Timeline: 10-15 business days (residential)
Conservation: TRCA
Vaughan
York Region
Population: 323,103
Permit Timeline: 10-15 business days (residential)
Conservation: TRCA
Richmond Hill
York Region
Population: 202,022
Permit Timeline: 10-15 business days (residential)
Conservation: TRCA / LSRCA
Oakville
Halton Region
Population: 213,759
Permit Timeline: 10-15 business days (residential)
Conservation: CH
Burlington
Halton Region
Population: 186,948
Permit Timeline: 10-15 business days (residential)
Conservation: CH / HCA
Oshawa
Durham Region
Population: 175,383
Permit Timeline: 10-15 business days (residential)
Conservation: CLOCA
St. Catharines
Niagara Region
Population: 136,803
Permit Timeline: 10-15 business days (residential)
Conservation: NPCA
Cambridge
Waterloo Region
Population: 138,479
Permit Timeline: 10-15 business days (residential)
Conservation: GRCA
Niagara Falls
Niagara Region
Population: 94,415
Permit Timeline: 10-15 business days (residential)
Conservation: NPCA
Peterborough
Peterborough County
Population: 83,651
Permit Timeline: 10-15 business days (residential)
Conservation: OC
Thunder Bay
Thunder Bay District
Population: 108,843
Permit Timeline: 10-15 business days (residential)
Conservation: LRCA
Greater Sudbury
Sudbury District
Population: 166,004
Permit Timeline: 10-15 business days (residential)
Conservation: CS
Waterloo
Waterloo Region
Population: 121,436
Permit Timeline: 10-15 business days (residential)
Conservation: GRCA
Don't see your municipality? PermitSnapshot covers all 414 Ontario municipalities.
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