Properties in New Castle For Sale 1 / 51$3,795,000Single Family Residence For SaleActive4BEDS3.5TOTAL BATHS3,154SQFT183 Portsmouth AvenueNew Castle, NH 03854 Listing courtesy of Janet Sylvester of Great Island Realty LLC New Listing - 4 weeks on site1 / 60$3,695,000Single Family Residence For SaleActive4BEDS4TOTAL BATHS5,671SQFT77 Abigale LaneNew Castle, NH 03854 Listing courtesy of Margaret Pesce of Great Island Realty LLC See All Results