Guam Building Footprints from OpenStreetMap

An OpenStreetMap export containing building footprints across Guam. The data includes every feature tagged as a building, from residential homes to hospitals, schools, and places of worship. It was last updated on 2026-05-14 and is provided by the Humanitarian OpenStreetMap Team.

Use Cases

• Estimate population density based on building footprint distribution.
• Assess potential damage from natural disasters based on building locations and types.
• Plan urban infrastructure and services using the spatial distribution of buildings.

Strengths

• Includes all OpenStreetMap features tagged as a building, covering multiple types like residential, hospitals, and schools.
• Available in multiple geospatial file formats including GEOPACKAGE, SHP, and JSON.

Limitations

• Completeness varies by region; urban areas are usually well-mapped but remote areas may be incomplete.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

OpenStreetMap

Collection Method

Volunteer-collaborated mapping and export by the Humanitarian OpenStreetMap Team.

Freshness

Last updated 2026-05-14 15:52:59.827217

Geography

Guam