BuildData
Markham Construction Data
1k+ building permit records from Markham, Ontario, plus contractor profiles, planning applications, business licences, and zoning. One API, geocoded, normalized, and refreshed automatically.
Markham construction leads, delivered weekly
Get every new Markham 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.
Start your Markham lead feed →Markham construction leads, delivered weekly
Get every new Markham 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.
Start your Markham lead feed →Datasets available in Markham
Beyond building permits, Markham also has Contractor profiles, Planning applications, Business licences, and Zoning in the same API, queryable with the same parameters.
/permit/contractor/planning_application/licence/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 contractor profiles, planning applications, business licences, 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.
330+ 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 across all years on record.
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 across all records on file.
Recent Planning Applications in Markham
Latest planning application records, loaded live from the BuildData API.
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Markham Business Licences by Category
Breakdown of categories across all records on file.
Recent Business Licences in Markham
Latest business licence records, loaded live from the BuildData API.
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Query Markham Permits via API
Filter by type, date range, address, or construction value. Returns JSON.
Markham construction leads by trade
Markham construction leads: FAQ
How do I get construction leads in Markham?
Subscribe to a BuildData lead feed and every new Markham building permit arrives as a CSV in your inbox each week, with the project address, type, value, and date. Pick Markham plus any other cities you sell into. 30-day free trial.
Are Markham building permits public?
Yes. Markham publishes building permit records as open data. BuildData aggregates, geocodes, and normalizes them so you can search them or receive them as weekly leads.
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.
What's included in a Markham construction lead?
Each lead has the project address, permit type, construction value, issue date, and permit number, ready to drop straight into your CRM.
Get Markham construction leads weekly
New permits delivered to your inbox, or full API access. 30-day free trial.
Start your lead feed →