Buying a home in Yellowstone County, Montana doesn't have to be difficult - Homes.com makes home buying a breeze. With 1,401 homes for sale in Yellowstone County, Montana, you can search by price, bedrooms, neighborhood, and even by property type. Search Yellowstone County homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Yellowstone County school data, neighborhood information, find Yellowstone County real estate agents, and research home values in Yellowstone County, MT. Homes.com has everything you need but the house keys.