City of Madison Tax Parcels. This data layer is used by theProperty 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 DistrictsandDevelopment Informationapplications.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.