BuildData
Hamilton Building Permit Search
133k+ building permit records from Hamilton, Ontario, plus contractor profiles, planning applications, business licences, major projects, and zoning. One API, geocoded, normalized, and refreshed automatically.
Search Hamilton building permits
Look up any address, permit number, or contractor. Records come straight from Hamilton's open data, geocoded and normalized.
Hamilton construction leads, delivered weekly
Get every new Hamilton 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, Hamilton also has Contractor profiles, Planning applications, Business licences, Major projects, and Zoning in the same API, queryable with the same parameters.
/permit/contractor/planning_application/licence/major_project/zoneAbout Hamilton Construction Data
Hamilton 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 contractor profiles, planning applications, business licences, major projects, and zoning for Hamilton, available through the same API with the same parameters. BuildData collects and normalizes these records from Hamilton’s open data portals on a daily-to-weekly cadence (by dataset), making 133k+ Hamilton permits searchable through a single REST API.
4k+ building permits were issued in Hamilton, ON over the past 12 months, representing $1.4B in declared construction value. New Construction permits lead by volume. Every record is geocoded and normalized to a consistent schema, so you can query Hamilton 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 Ontario
Hamilton Permits by Type
Breakdown of permit categories across all years on record.
Recent Hamilton Building Permits
Latest permits issued in Hamilton, loaded live from the BuildData API.
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Hamilton Planning Applications by Status
Breakdown of categories across all records on file.
Recent Planning Applications in Hamilton
Latest planning application records, loaded live from the BuildData API.
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Hamilton Business Licences by Category
Breakdown of categories across all records on file.
Recent Business Licences in Hamilton
Latest business licence records, loaded live from the BuildData API.
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Major Projects in Hamilton
Planned and under-construction capital projects, loaded live from the BuildData API.
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Query Hamilton Permits via API
Filter by type, date range, address, or construction value. Returns JSON.
Hamilton building permits: FAQ
How do I search Hamilton building permits?
Use the search box on this page: type an address, permit number, or contractor and it queries every Hamilton permit BuildData holds. Records come from Hamilton's own open data, geocoded and normalized.
How do I check the status of a building permit in Hamilton?
Search the address above. Each result shows the permit's status, type, issue date, and description as published by Hamilton. For an application still in progress, the city's own portal remains the authority.
Are Hamilton building permits public record?
Yes. Hamilton 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 Hamilton permit data?
BuildData refreshes Hamilton permits automatically, so new permits show up within days and go out in the next scheduled feed.
Can I get new Hamilton permits sent to me automatically?
Yes. A BuildData feed emails every new Hamilton 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 Hamilton construction leads weekly
New permits delivered to your inbox, or full API access. 30-day free trial.
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