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Ontario Building Permits

Building permits and construction data across 21 Ontario municipalities, from Toronto, Brampton, Sudbury and more. Every permit normalized to one schema, geocoded, and refreshed daily. Search by city, get a weekly lead feed, or query it all through the API.

Get Ontario permit leads → See the API
21
Ontario Cities
1.3M+
Permit Records
8
Datasets Covered

Ontario cities

Building permit coverage by municipality. Open a city for its permit history, recent activity, and the datasets available there.

Toronto250k permits→ Brampton245k permits→ Sudbury117k permits→ Ottawa110k permits→ Cambridge52k permits→ Kitchener76k permits→ Kingston66k permits→ Guelph64k permitshistorical permits→ Hamilton134k permits→ Mississauga35k permits→ Waterloo33k permits→ St. Catharines14k permits→ Thunder Bay15k permits→ Welland10k permitshistorical permits→ Niagara Falls8k permitshistorical permits→ Oakville7k permits→ Barrie6k permits→ Brantford4k permits→ Markham1k permits→ Vaughan17k permits→ Windsor176 permits→

Datasets across Ontario

Beyond permits, these datasets have Ontario coverage, all joined on one canonical address.

Building permits21 cities
Planning applications17 cities
Business licences8 cities
New business openings4 cities
Contractor profiles5 cities
Major projects20 cities
Building inspections1 city
Zoning18 cities

Why Ontario teams use BuildData

One schema across every Ontario municipality, so you query Toronto and a small town the same way. Geocoded on Statistics Canada's address database, refreshed daily, and available as a weekly lead feed, a REST API, or live in Snowflake.

Search an address See full coverage →