Buying a home in Newcastle, Washington does not have to be difficult - Homes.com makes home buying a breeze. With 166 homes for sale in Newcastle, Washington, you can search by price, bedrooms, neighborhood, and even by property type. Search Newcastle homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Newcastle school data, neighborhood information, find Newcastle real estate agents, and research home values in Newcastle, WA. Homes.com has everything you need but the house keys.