Data Catalog

• Potential Landmarks

  District of Columbia —

  This dataset contains Historic Landmarks (by structure) officially designated by the District of Columbia. This is a consolidated collection of structures with...

  • HTML
  • ArcGIS GeoServices REST API
  • OGC WMS
  • CSV
  • ZIP
  • GeoJSON
  • 1 more in dataset
• City

  Philadelphia Registered Historic Properties

  City of Philadelphia —

  Historic sites listed on the Philadelphia Register. Data was updated by the Philadelphia City Planning Commission in July 2017. The public should confirm a property’s...

  • CSV
  • GeoJSON
  • SHP
  • API
  • HTML
• City

  Philadelphia Registered Historic Districts

  City of Philadelphia —

  Historic districts listed on the Philadelphia Register. Data was updated by the Philadelphia City Planning Commission in August 2017. The public can confirm a...

  • CSV
  • GeoJSON
  • SHP
  • API
  • HTML
• City

  Adjudication Enforcement Fines and Fees Data for the Office of Business and External Services

  City of New Orleans —

  A dataset of fines and fees levied in Adjudication hearings for cases in Code Enforcement, Alcohol Beverage Outlets (ABO), Historic District and Landmarks Commission...

  • CSV
  • RDF
  • JSON
  • XML
• City

  Historic and Special Review Districts

  City of Seattle —

  Note: This map is not an official zoning map. For precise zoning information, please call or visit the Seattle Municipal Tower, Seattle Department of Construction and...

  • HTML
  • JSON
  • CSV
  • ZIP
  • application/vnd.geo+json
  • KML
  • 5 more in dataset

• Zoning Lookup Layer

  District of Columbia —

  The zoning layer lookup aids the online zoning map to show zoning information by address and consolidates other important information such as Ward, ANC, SMD, Historic...

  • HTML
  • ArcGIS GeoServices REST API
  • OGC WMS
  • CSV
  • ZIP
  • GeoJSON
  • 1 more in dataset
• City

  Adjudication Enforcement Detailed Hearings Data for the Office of Business and External Services

  City of New Orleans —

  A dataset of all enforcement hearings against parcels within six adjudication departments - Code Enforcement, Alcohol Beverage Outlets (ABO), Historic District and...

  • CSV
  • RDF
  • JSON
  • XML
• City

  Adjudication Enforcement Cases for the Office of Business and External Services

  City of New Orleans —

  A dataset of all enforcement cases against parcels within six adjudication departments - Code Enforcement, Alcohol Beverage Outlets (ABO), Historic District and...

  • CSV
  • RDF
  • JSON
  • XML
• County

  Loudoun Historic Districts

  Loudoun County, Virginia —

  More MetadataThe data set identifies the six county-administered Historic and Cultural Conservation District areas within Loudoun County. The County-designated...

  • HTML
  • ArcGIS GeoServices REST API
  • GeoJSON
  • CSV
  • KML
  • ZIP

• Historic Landmark Elements

  District of Columbia —

  This dataset contains Historic Landmark Elements (by structure) officially designated by the District of Columbia. This is a consolidated collection of structures with...

  • HTML
  • ArcGIS GeoServices REST API
  • OGC WMS
  • CSV
  • ZIP
  • GeoJSON
  • 1 more in dataset

You can also access this registry using the API (see API Docs).

Didn't find what you're looking for? Suggest a dataset here.