BuildData
Markham Building Permit Search
See what was built at any Markham address: what was done, when, and the declared value.
Markham construction leads, delivered weekly
Get every new Markham building permit in a spreadsheet in your inbox the week it is published. Contractors, suppliers, and realtors use it to find the work first. Pick your cities and dataset, 30-day free trial.
Start your Markham lead feed →Datasets available in Markham
Beyond building permits, Markham also has Planning applications, Business licences, Major projects, and Zoning in the same API, queryable with the same parameters.
/permit/planning_application/licence/major_project/zoneAbout Markham Construction Data
Markham 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 planning applications, business licences, major projects, and zoning for Markham, available through the same API with the same parameters. BuildData collects and normalizes these records from Markham’s open data portals on a daily-to-weekly cadence (by dataset), making 1k+ Markham permits searchable through a single REST API.
379+ building permits were issued in Markham, ON over the past 12 months. New Construction permits lead by volume. Every record is geocoded and normalized to a consistent schema, so you can query Markham 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
Markham Permits by Type
Breakdown of permit categories over the last two years.
Recent Markham Building Permits
Latest permits issued in Markham, loaded live from the BuildData API.
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Markham Planning Applications by Status
Breakdown of categories over the last two years.
Recent Planning Applications in Markham
Latest planning application records, loaded live from the BuildData API.
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Recent Business Licences in Markham
Latest business licence records, loaded live from the BuildData API.
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Major Projects in Markham
Planned and under-construction capital projects, loaded live from the BuildData API.
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Building with this? Every Markham record above is on the API at
/permit?municipality=markham. See the documentation.
Markham building permits: FAQ
How do I search Markham building permits?
Use the search box on this page: type an address, permit number, or contractor and it queries every Markham permit BuildData holds. Records come from Markham's own open data, geocoded and normalized.
How do I check the status of a building permit in Markham?
Search the address above. Each result shows the permit's status, type, issue date, and description as published by Markham. For an application still in progress, the city's own portal remains the authority.
Are Markham building permits public record?
Yes. Markham 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 Markham permit data?
BuildData refreshes Markham permits automatically, so new permits show up within days and go out in the next scheduled feed.
Can I get new Markham permits sent to me automatically?
Yes. A BuildData feed emails every new Markham 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 Markham construction leads weekly
New permits delivered to your inbox, or full API access. 30-day free trial.
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