Hey man! Haven't run this one yet but what do you usually use as a authority reference guide?  Found Rolling Green Road listed in NPT's official town GIS, but it does seem like the addresses are building numbers and not attached to Admiral Kalbfus.  https://newportri.mapgeo.io/datasets/property?abuttersDistance=200&latlng=41.507878%2C-71.32141&panel=selection&previewId=56&zoom=18