GIS Resources

Canada

Open Database of Buildings collection of open data on buildings from eight provinces, primarily building footprints (does not include Calgary)

• Statistics Canada metadata document

Automatically Extracted Buildings from Natural Resources Canada, vector building footprints extracted from airborne LiDAR data, high-resolution optical imagery or other sources; includes height and elevation (does not include Calgary)

Computer generated building footprints for Canada from Microsoft. 12,663,475 building footprint polygon geometries from all Canadian provinces and territories in GeoJSON format. (does include Calgary). A good post on working with GeoJSON in ArcMAP and QGIS.

United States

US Building Footprints Microsoft database

• New York Times article about the database

National Zoning Atlas - The National Zoning Atlas aims to depict key aspects of zoning codes in an online, user-friendly map. Some states provide downloadable data.

International

Open Buildings - from Google, currently only Africa. A dataset of building footprints to support social good applications.