City of Madison Map DataCity of Madison Tax Parcels. This data layer is used by the Property Lookup , Neighborhood Development Plans , Neighborhood Development Plan Resource Viewer , Generalized Future Land Use , What is Density , City of Madison Historic Districts and Landmarks , Zoning Districts , Urban Design Districts and Development Information applications. NOTE: the City's Open Data content is updated daily and is current to the best of our ability. Any "Last Updated Date" dates on the site reflect when the specific web page was updated - NOT the data.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/0338b0638e4749c395f8d38b39a5c466_0engCity of Madison, WI GIS Open Data PortalPublicTax Parcels (Assessor Property Information) [Wisconsin--Madison]Web servicesWisconsin--MadisonWisconsinLast Modified: 2022-12-16