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Inventory of Owned and Leased Properties (IOLP)

Metadata Updated: September 23, 2023

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.

The Owned and Leased Data Sets include the following data except where noted below for Leases:

  • Location Code - GSA’s alphanumeric identifier for the building
  • Real Property Asset Name - Allows users to find information about a specific building
  • Installation Name - Allows users to identify whether a property is part of an installation, such as a campus
  • Owned or Leased - Indicates the building is federally owned (F) or leased (L)
  • GSA Region - GSA assigned region for building location
  • Street Address/City/State/Zip Code - Building address
  • Longitude and Latitude - Map coordinates of the building (only through .csv export)
  • Rentable Square Feet - Total rentable square feet in building
  • Available Square Feet - Vacant space in building
  • Construction Date (Owned Only) - Year built
  • Congressional District - Congressional District building is located
  • Senator/Representative/URL - Senator/Representative of the Congressional District and their URL
  • Building Status - Indicates building is active
  • Lease Number (Leased Only) - GSA’s alphanumeric identifier for the lease
  • Lease Effective/Expiration Dates (Leased Only) - Date lease starts/expires
  • Real Property Asset Type - Identifies a property as land, building, or structure

Access & Use Information

Public: This dataset is intended for public access and use. License: Creative Commons CCZero

Downloads & Resources


Metadata Created Date November 10, 2020
Metadata Updated Date September 23, 2023
Data Update Frequency R/P1W

Metadata Source

Harvested from GSA JSON

Additional Metadata

Resource Type Dataset
Metadata Created Date November 10, 2020
Metadata Updated Date September 23, 2023
Publisher General Services Administration
Identifier GSA-4495
Data First Published 2002-01-01
Language en-us
Data Last Modified 2023-03-20T13:39:21.114Z
Rights true
Category geospatial
Public Access Level public
Data Update Frequency R/P1W
Bureau Code 015:11
Metadata Context
Schema Version
Catalog Describedby
Data Quality True
Harvest Object Id 5f9b64bd-c74c-4cb5-b1d6-f3d04c177ad3
Harvest Source Id 8cb0201c-9ee6-4d34-8f00-db0015b5d7e0
Harvest Source Title GSA JSON
Metadata Type geospatial
Old Spatial United States
Program Code 015:001
Source Datajson Identifier True
Source Hash 753e03c387ba91cd25f070308813f8893c77d68b915a2dac94301becd98b06de
Source Schema Version 1.1
Spatial {"type":"Polygon","coordinates":-124.733253,24.544245,-124.733253,49.388611,-66.954811,49.388611,-66.954811,24.544245,-124.733253,24.544245}

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