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State
National Register of Historic Places
State of New York —
The New York State Office of Parks, Recreation and Historic Preservation (OPRHP) oversees more than 250 state parks, historic sites, recreational trails, golf... -
City
Individual Landmark and Historic District Building Database
City of New York —
Provides information on buildings and structures within designated historic districts and individual landmark sites. -
Washington DC Historic Boundary Stones
District of Columbia —
In 2011, the District of Columbia government commissioned a project to survey the Washington D.C. historic boundary stones set in 1791 and 1792 that define the... -
City
Individual Landmark Sites
City of New York —
This dataset contains site boundaries for all designated individual landmarks as well as administrative information such as site boundary description and designation... -
Historic Landmarks Points
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... -
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... -
Federal
Capital Projects Application (CPA)
General Services Administration —
Capital Projects application (CPA) provides users with the ability to maintain project related financial data for Budget Activity (BA) 51, 55, 64, 01, 02, 03, 04. CPA... -
Washington DC Historic Boundary
District of Columbia —
In 2011, the District of Columbia government commissioned a project to survey the Washington D.C. historic boundary stones set in 1791 and 1792 that define the... -
City
Historic Districts
City of New York —
Provides information regarding all historic districts that have calendared, heard, or designated by the Landmarks Preservation Commission, or for which an LP number... -
Federal
Cultural Landscapes Dataset: Existing Conditions for Saratoga Battlefield, Saratoga National Historical Park
Department of the Interior —
The raster data was created as an output of the Cultural Landscapes Inventory for Saratoga Battlefield, Saratoga National Historical Park, Stillwater, New York,... -
State
State Historic Preservation Office- Tax Credit Activity
State of Connecticut —
SHPO tax credit activity from July 1, 2019 through June 30, 2025. This dataset will be updated annually. -
Federal
Cultural Landscapes Dataset: Existing Conditions for the Bunker Hill Monument, Boston National Historical Park
Department of the Interior —
The raster data was created as an output of the Cultural Landscapes Inventory (CLI) for the Bunker Hill Monument, Boston National Historical Park, Charlestown,... -
City
Historic Resource Survey
City of Ferndale, Michigan —
The survey contains data on 17,500 properties in eligible historic districts across the six Hardest-Hit Fund districts. Volunteer surveyors answered three main... -
Historic 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... -
L'Enfant Plan Street Boundaries
District of Columbia —
L'Enfant Plan of Washington. The dataset contains polygons representing the L'Enfant Plan historic district, created as part of the DC Geographic Information System... -
City
Mid-Century Modern Architecture Inventory
City of Philadelphia —
Mid-century modern architecture and buildings of the recent past are enjoying a resurgence of appreciation and interest nationwide, but here in Philadelphia, our... -
City
LPC Permit Application Information
City of New York —
Contains information pertaining to permit applications for work to landmark sites submitted to and processed by LPC. -
City
Designated and Calendared Buildings and Sites
City of New York —
Provides information on all items designated or under consideration for designation (i.e. calendared) by the New York City Landmarks Preservation Commission (LPC).... -
City
Inventory of African American Historic Sites
City of Philadelphia —
An inventory compiled by the Preservation Alliance for Greater Philadelphia containing all the known African American historic sites in Philadelphia. Data fields for...