Buying a home in Harmony, Maine does not have to be difficult - Homes.com makes home buying a breeze. With 5 homes for sale in Harmony, Maine, you can search by price, bedrooms, neighborhood, and even by property type. Search Harmony homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Harmony school data, neighborhood information, find Harmony real estate agents, and research home values in Harmony, ME. Homes.com has everything you need but the house keys.