Our goal at BuildingFootprintUSA (LightBox) is to create the first affordable nationwide building footprint GIS data layer that you use to enhance your map and provide detail in your analytics. Overlay BuildingFootprintUSA data on top of vector GIS data, and satellite imagery. Join BuildingFootprintUSA data with real property data, business or demographic information. Building footprint data can enhance your map and analysis if you are performing risk assessment, geofencing, location based marketing, 3d visualization and more.