Description: This layer contains the buildings that have been captured through various processes. The original data in this layer was captured during the 1997 data conversion effort for Fairfax County. After that an update capture was completed in 2014 using stereo models from the 2009 Virginia State imagery. Subsequent to that an update capture was completed in 2022 using stereo models from the 2017 Virginia State imagery.In between these planimetric update projects the GIS office has captured building footprints from orthophotography by performing heads up digitizing from site plans. These different sources of the buildings are indicated within the building attributes as well as the type of building. The buildings also include a building top and ground location and elevation value both in NAVD88 and NGVD29 datum. These locations indicate the highest point on a building based on the primary usable structure and the lowest elevation point of the structure. There are also buildings that may be multiple components that will make up a podium building. In this case there will be multiple polygons stacked on top of each other for a single building identifier. The difference of each polygon is the top elevation. This can be then used to extrude these structures to more approximate the look of these podium types of buildings.The most recent planimetric update was completed in 2024 using orthoimagery from the 2023 and 2022 Eagleview Orthophotos, it does not include a building top and ground location and elevation values.Contact: Fairfax County Department of Information Technology GIS DivisionData Accessibility: Publicly AvailableUpdate Frequency: As NeededLast Revision Date: 3/1/2024Creation Date: 1/1/1997Feature Dataset Name: GISMGR.PLANIMETRICLayer Name: GISMGR.BUILDINGS
Copyright Text: Fairfax County, Virginia;Fairfax County Department of Information Technology GIS Division, Avineon Inc. and Timmons Group (2017 & 2023 Updates), Geodecisions and Plangraphics, Inc (2009 Updates), ASI Technologies (1997)
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NAME (type: esriFieldTypeString, alias: Building Name, SQL Type: sqlTypeOther, length: 50, nullable: true, editable: true)
TYPE (type: esriFieldTypeString, alias: Building Type, SQL Type: sqlTypeOther, length: 4, nullable: true, editable: true, Coded Values: [SFR: Single Family Residential], [MFR: Multi Family Residential], [C: Commercial], ... 6 more ...)
BLDG_CM_TYPE (type: esriFieldTypeString, alias: Community Maps Type, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true, Coded Values: [Building General: Building General], [Government or Military Facility: Government or Military Facility], [Health or Medical Facility: Health or Medical Facility], ... 9 more ...)