City of Madison Map DataAssessment areas are typically defined by neighborhood boundaries based on their original plats. The housing stock within each assessment area will have similar construction years and styles (ex. Nakoma Neighborhood, Veridian neighborhood). The Assessor's Office analyzes market data within each assessment area to determine trends.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/5ab12f01b2924cf39f50edee4cd46e77_16engCity of Madison, WI GIS Open Data PortalPublicAssessment Areas - Single Family [Wisconsin--Madison]Web servicesWisconsin--MadisonWisconsinLast Modified: 2020-06-23