USA Structures

USA Structures
 

This feature layer, utilizing Federal Emergency Management Agency (FEMA) data, displays footprints for all structures (buildings) greater than 450 square feet in the United States and its territories. According to FEMA, “FEMA’s Response Geospatial Office, Oak Ridge National Laboratory, and the U.S. Geological Survey collaborated to build and maintain the nation’s first comprehensive inventory of all structures larger than 450 square feet for use in Flood Insurance Mitigation, Emergency Preparedness and Response.”

Note: these states and territories were updated in this cycle: Alabama, Alaska, Connecticut, Delaware, District of Columbia, Florida, Geogia, Hawaii, Iowa, Kansas, Kentucky, Louisiana, Maine, Michigan, Minnesota, Mississippi, Montana, Nebraska, New Hampshire, New Mexico, New York, North Carolina, North Dakota, Oregon, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Washington, West Virginia, Wisconsin, Wyoming, Puerto Rico, Virginia, Virgin Islands, Guam, American Samoa, and Northern Mariana Islands.

FEMA_ORNL USA Structures _ 800x400 screen capture
Assembly Building in Dallas County, Texas Data currency: June 6, 2025
Data source: FEMA's USA Structures State GDB Download Site Data modification: added State FIPS, PROP_CNTY, and Global ID fields. The field type was changed from string to integer for POP_MEDIAN, POP_CI95_lower, POP_CI95_UPPER. For more information: USA Structures Support documentation: For feedback please contact: Esri_US_Federal_Data@esri.com   Federal Emergency Management Agency
  Per FEMA, “We leverage a tremendous capacity to coordinate within the federal government to make sure America is equipped to prepare for and respond to disasters.”

Data and Resources

Field Value
dcat_issued 2022-03-28T14:48:40.000Z
dcat_modified 2026-06-08T18:21:34.830Z
dcat_publisher_name Esri U.S. Federal Datasets
guid https://www.arcgis.com/home/item.html?id=0ec8512ad21e4bb987d7e848d14e7e24&sublayer=0
Tags
  • DHS
  • Department of Homeland Security
  • FEMA
  • Federal Emergency Management Agency
  • ORNL
  • Oak Ridge National Laboratory
  • U.S. Department of Homeland Security
  • USA structures
  • USDHS
  • assembly
  • building outlines
  • buildings
  • commercial
  • education
  • emergency response
  • federal
  • homeland defense
  • homeland security
  • industrial
  • residential
  • structures
isopen False
metadata_created 2025-09-19T01:27:29.237610
metadata_modified 2026-08-19T15:27:25.403839
notes <div><div style='text-align:center;'><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:x-large;'>USA Structures</span><br />&nbsp;</div></div><p><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'>This feature layer, utilizing Federal Emergency Management Agency (FEMA) data, displays footprints for all structures (buildings) greater than 450 square feet in the United States and its territories. According to </span><a target='_blank' href='https://gis-fema.hub.arcgis.com/pages/usa-structures' rel='nofollow ugc noopener noreferrer'><span style='font-size:large;'>FEMA</span></a><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'>, “FEMA’s Response Geospatial Office, Oak Ridge National Laboratory, and the U.S. Geological Survey collaborated to build and maintain the nation’s first comprehensive inventory of all structures larger than 450 square feet for use in Flood Insurance Mitigation, Emergency Preparedness and Response.”</span></p><p><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'>Note: these states and territories were updated in this cycle: Alabama, Alaska, Connecticut, Delaware, District of Columbia, Florida, Geogia, Hawaii, Iowa, Kansas, Kentucky, Louisiana, Maine, Michigan, Minnesota, Mississippi, Montana, Nebraska, New Hampshire, New Mexico, New York, North Carolina, North Dakota, Oregon, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Washington, West Virginia, Wisconsin, Wyoming, Puerto Rico, Virginia, Virgin Islands, Guam, American Samoa, and Northern Mariana Islands.</span></p><div><div style='text-align:center;'><img src='https://fedmaps.maps.arcgis.com/sharing/rest/content/items/9817bd365ef0433ab5e57df2170666bb/data' alt='FEMA_ORNL USA Structures _ 800x400 screen capture' /><br /><span style='font-size:large;'><i>Assembly Building in Dallas County, Texas</i></span></div><div><span style='font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:large;'><strong>Data currency:</strong>&nbsp;June 6, 2025</span><br /><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'><strong>Data source:</strong>&nbsp;</span><a style='font-family:&quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif;' target='_blank' href='https://disasters.geoplatform.gov/USA_Structures/' rel='nofollow ugc noopener noreferrer'><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'>FEMA's USA Structures State GDB Download Site</span></a></div><div><div><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'><strong>Data modification:</strong> added State FIPS, PROP_CNTY, and Global ID fields. The field type was changed from string to integer for POP_MEDIAN, POP_CI95_lower, POP_CI95_UPPER.</span></div><div><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'><strong>For more information:&nbsp;</strong></span><a target='_blank' href='https://gis-fema.hub.arcgis.com/pages/usa-structures' rel='nofollow ugc noopener noreferrer'><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'>USA Structures</span></a></div><div><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'><strong>Support documentation:</strong></span></div><div><ul><li><a style='font-family:&quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif;' target='_blank' href='https://fedmaps.maps.arcgis.com/home/item.html?id=e1ea412dc95747d9a36b7ccb4c0025eb' rel='nofollow ugc noopener noreferrer'><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'>Metadata</span></a></li><li><a style='font-family:&quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif;' target='_blank' href='https://www.fema.gov/sites/default/files/documents/fema_hazus-inventory-technical-manual-4.2.3.pdf' rel='nofollow ugc noopener noreferrer'><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'>Hazus Inventory Technical Manual</span></a></li></ul></div><div><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'><strong>For feedback please contact:</strong>&nbsp;</span><a style='color:rgb(0, 121, 193); font-family:&quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; text-decoration-line:none;' href='mailto:Esri_US_Federal_Data@esri.com' target='_blank' rel='nofollow ugc noopener noreferrer'><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'>Esri_US_Federal_Data@esri.com</span></a></div><div>&nbsp;</div><div style='text-align:center;'><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:x-large;'>Federal Emergency Management Agency</span><br />&nbsp;</div><div><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'>Per </span><a target='_blank' href='https://www.fema.gov/about' rel='nofollow ugc noopener noreferrer'><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'>FEMA</span></a><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif; font-size:large;'>, “We leverage a tremendous capacity to coordinate within the federal government to make sure America is equipped to prepare for and respond to disasters.”</span></div></div></div>
num_resources 6
num_tags 21
title USA Structures
url https://prep-response-portal.napsgfoundation.org/datasets/fedmaps::usa-structures