Montreal Heritage Building Inventories for Structures Built Before 1940

An inventory of heritage buildings constructed before 1940 within the Montreal agglomeration. The dataset contains geographic and descriptive information compiled by the City of Montreal under the 2021 Cultural Heritage Act. It was last updated on April 22, 2026, and is provided by the Government and Municipalities of Québec.

Use Cases

• Mapping historical building density based on geographic information
• Analyzing architectural heritage distribution across the Montreal agglomeration
• Supporting municipal policy and conservation planning based on the inventory mandate
• Conducting spatiotemporal studies of pre-1940 urban development

Strengths

• Data is mandated and maintained by a municipal government under the 2021 Cultural Heritage Act.
• Includes both geographic and descriptive information for each building.
• Available in multiple geospatial formats (GEOJSON, SHP).
• Published under a permissive CC-BY-4.0 license.

Limitations

• Row count and dataset size are unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• The description metadata was translated via an automated tool, which may introduce inaccuracies.

Provenance

Source

Government and Municipalities of Québec | Gouvernement et municipalités du Québec

Collection Method

Compiled and updated by the City of Montreal as required by law.

Time Range

Buildings constructed before 1940.

Freshness

Last updated 2026-04-22 19:01:06.591973; freshness should be verified.

Geography

Agglomeration of Montréal, Québec, Canada.