Pierce County, WashingtonAnnexation polygons throughout Pierce County that have passed by city ordinance or resolution and comprise the current incorporated cities of Pierce County. Proposed annexations submitted for pre-review are also included. Please read metadata for additional information ( https://matterhorn.piercecountywa.gov/GISmetadata/pdbtrans_annexations.html ) Any data download constitutes acceptance of the Terms of Use ( https://matterhorn.piercecountywa.gov/Disclaimer/PierceCountyGISDataTermsofUse.pdf )ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/906b927428fa498093dcc7eb3cdfc64e_0engPierce County Open GeoSpatial Data PortalPublicCities Annexations [Washington (State)--Pierce County]Web servicesWashington (State)--Pierce CountyWashington (State)Last Modified: 2025-08-22