BuildData
Montreal Building Permit Search
558k+ building permit records from Montreal, Quebec, plus property assessments, major projects, and zoning. One API, geocoded, normalized, and refreshed automatically.
Search Montreal building permits
Look up any address, permit number, or contractor. Records come straight from Montreal's open data, geocoded and normalized.
Montreal construction leads, delivered weekly
Get every new Montreal building permit as a clean CSV in your inbox the week the project starts. Contractors, suppliers, and realtors use it to reach owners first. Pick your cities and dataset, 30-day free trial.
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Beyond building permits, Montreal also has Property assessments, Major projects, and Zoning in the same API, queryable with the same parameters.
/permit/assessment/major_project/zoneAbout Montreal Construction Data
Montreal building permits cover all permitted construction activity in the city: new homes and condos, commercial and industrial builds, residential renovations, additions, demolitions, and changes of use. BuildData also tracks property assessments, major projects, and zoning for Montreal, available through the same API with the same parameters. BuildData collects and normalizes these records from Montreal’s open data portals on a daily-to-weekly cadence (by dataset), making 558k+ Montreal permits searchable through a single REST API.
20k+ building permits were issued in Montreal, QC over the past 12 months. Renovation permits lead by volume. Every record is geocoded and normalized to a consistent schema, so you can query Montreal the same way you query any other Canadian city in the dataset.
Common uses
- Proptech and real estate: track the new development pipeline, spot supply trends before listings hit market
- Insurance: verify construction activity and renovation history at the property level
- Urban planning and research: analyze permit trends by type, neighbourhood, and time period
- Construction and trades: identify new project opportunities as permits are issued across Quebec
Montreal Permits by Type
Breakdown of permit categories across all years on record.
Recent Montreal Building Permits
Latest permits issued in Montreal, loaded live from the BuildData API.
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Property Assessments in Montreal
Property assessment records, loaded live from the BuildData API.
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Major Projects in Montreal
Planned and under-construction capital projects, loaded live from the BuildData API.
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Query Montreal Permits via API
Filter by type, date range, address, or construction value. Returns JSON.
Montreal building permits: FAQ
How do I search Montreal building permits?
Use the search box on this page: type an address, permit number, or contractor and it queries every Montreal permit BuildData holds. Records come from Montreal's own open data, geocoded and normalized.
How do I check the status of a building permit in Montreal?
Search the address above. Each result shows the permit's status, type, issue date, and description as published by Montreal. For an application still in progress, the city's own portal remains the authority.
Are Montreal building permits public record?
Yes. Montreal publishes building permit records as open data, so anyone can look them up. BuildData aggregates, geocodes, and normalizes them so they are searchable in one place instead of one city portal at a time.
How current is Montreal permit data?
BuildData refreshes Montreal permits automatically, so new permits show up within days and go out in the next scheduled feed.
Can I get new Montreal permits sent to me automatically?
Yes. A BuildData feed emails every new Montreal building permit as a spreadsheet each week, with the address, type, value, and date. Add any other cities you sell into. 30-day free trial.
Get Montreal construction leads weekly
New permits delivered to your inbox, or full API access. 30-day free trial.
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