This example demonstrates Real Estate Portal USA Parcel Overlays as a Tiled Map Service in ESRI's ArcGIS API for JavaScript Version 4 with react-arcgis . Pan and zoom as with any ArcGIS API for JavaScript Map. Click on a parcel to show a popup bubble containing its attributes. To duplicate this example in your own environment, get a Parcel Overlays client key, then "View Source" on this page and replace the client key with your own where noted.