Online GIS System The City of Sumner offers ArcGIS, which allows you to search parcels and check key information such as utility lines, zoning and more in an interactive format. Explore Sumner's files on ArcGIS Open Data Portal for GIS Data Other Maps All maps are in PDF format. Sumner Street Map – entire citySumner Street Map – South EndSumner Evacuation MapComprehensive Plan MapZoning MapParking MapDirections to City Hall MapSumner Truck Route MapCritical Areas – Flood Hazard Map Critical Areas – Aquifer Resource MapCritical Areas – Wetland Inventory MapCritical Areas – Volcanic Hazard MapCritical Areas – Shoreline Environmental MapCritical Areas – Seismic Hazard MapCritical Areas – Mineral Resource Map Critical Areas – Landslide Erosion Hazard Map There are also many maps in Sumner’s Comprehensive Plan. Contact Us John Morgan, GIS/CAD Specialist253-299-5705gis@sumnerwa.govFull Employee List