GSA Inventory of Owned and Leased Properties (IOLP) Buildings

General Services Administration (GSA) / HIFLD (Homeland Infrastructure Foundation-Level Data) / Public Environmental Data Partners
The Inventory of Owned and Leased Properties (IOLP) allows users to search properties owned and leased by the General Services Administration (GSA) across the United States, Puerto Rico, Guam and American Samoa. Includes location code, owned/leased status, GSA region, street address, latitude/longitude, building rentable square feet, available square feet, construction date, congressional district, and senator/representative information.
Data Format GeoParquet, PMTiles, GeoPackage (GPKG), Shapefile, GeoJSON
Download Url https://hifld.publicenvirodata.org/collections/hifld/data...
Download Url Validated False
Validation Message All URLs failed validation
Alternate Download Urls https://hifld.publicenvirodata.org/api/collecti...
https://hifld.publicenvirodata.org/api/collecti...
https://hifld.publicenvirodata.org/collections/...
Update Frequency Unknown
Last Updated 2/15/2026
Geospatial Bounds -170.7196,-14.3298,145.7506,71.2924
Portal Type unknown
Success False
Quality Score
100%
Usable
Yes
Total Rows
8,689
Valid Geometries
8,689 / 8,689

Schema Compliance

Geometry Type Point
CRS {"$schema": "https://proj.org/schemas/v0.7/projjso...
WGS84 Yes
Required Columns Yes

Spatial Bounds

SW: (-170.7196, -14.3298)
NE: (145.7506, 71.2924)

Column Completeness

Column Completeness
id 100.0%
names 100.0%
categories 100.0%
operating_status 100.0%
addresses 100.0%
emails 100.0%
phones 100.0%
websites 100.0%
socials 100.0%
sources 100.0%
source_properties 100.0%

Top Categories

federal_government_offices (8,689)

Issues