BuildData is a Canadian construction and property data API. It aggregates building permits, major capital projects, business licences, inspections, development and planning applications, property assessments, and zoning from municipal open data across 62 cities, normalized to one schema and geocoded, with permits refreshed daily and other datasets weekly.

How do I access Canadian building permit data?

BuildData provides building permits from 62 Canadian cities through a single REST API and weekly city feeds. Search by city, address, permit type, or date, or export as CSV or JSON. There is a free API tier for developers.

Which cities does BuildData cover?

BuildData covers 62 Canadian cities across every province, including Toronto, Montreal, Calgary, Edmonton, Vancouver, Ottawa, Winnipeg, and Hamilton, with over 4 million building permit records.

Is there a free way to get building permit data in Canada?

Yes. BuildData has a free API tier of 100 requests per day and a 30-day free trial on its weekly permit feeds at builddata.ca.

Building permits from 62 Canadian cities, in one place

Look up any address for free, get the new permits in your area every week, or build on the API.

4.1M building permits
17M records in all
Permits refreshed daily

XLSX builddata_20261005_20261011.xlsx 5 of 23 columns

Address	Work	Value	Contractor
3442 Cherry StVancouver	New four-unit multiple dwelling	$1,600,000	–
22 Kestell LaneToronto	Demolish and build a new detached house	$1,000,000	–
1511 37 St SECalgary	Two-unit rowhouse with two suites	$475,379	MST Construction
6703 168 Avenue NWEdmonton	New semi-detached house	$463,750	–
38 Commercial RdToronto	New 110 by 96 ft storage building	$401,000	–
7516 39 Av NWCalgary	Two-unit rowhome with suites and garage	$380,034	Super Star Luxury Homes

Permits issued the week of October 5, 2026, as they arrive in a weekly feed.

Construction leads

Get to the job before your competitors do

Every Monday, a spreadsheet of the permits issued in your cities the week before: the address, the work, the declared value and the contractor on file. Hand it to your reps, or work it yourself.

$49 CAD a month, 30 days free. Cancel anytime.

See what your city issues

Start 30 days free

Check an address before you buy, list or insure it

Every permit, licence, application, heritage designation and zoning code on file for one address.

Free to search, $15 for the full report on an address with a long history

Build on the API

All 10 datasets over REST on one schema, with a Snowflake share and bulk export.

curl -H "X-API-Key: YOUR_KEY" \
  "https://api.builddata.ca/permit?municipality=toronto"

Free tier to build against. See the API

Permit volume, countrywide

19,131 permits in September 2026

up 13.1% on September 2025

Counted from the permits themselves and published within days of a month closing, rather than waiting for the official statistic. How this is built

What the permits are for

Renovation48%
New construction18%
Other16%
Addition13%
Demolition3%
Change of use2%

228,347 permits issued across Canada in the last 12 months.

What we hold

Building permits	62 cities
Major projects	38 cities
Zoning	42 cities
Planning applications	31 cities
Business licences	27 cities

New business openings	19 cities
Property assessments	17 cities
Contractor profiles	15 cities
Development permits	14 cities
Building inspections	5 cities

17M records in total 4.1M building permits 9 provinces 59 cities still publishing, 3 historical Coverage, city by city