Yellowstone County, in south-central Montana, is the most populous and economically active county in the state, anchored by Billings, Montana’s largest city. The area offers urban amenities, suburban development, and surrounding rural land. Housing stock includes everything from historic homes and affordable suburban residences to modern subdivisions and large-lot estates. Prices vary widely: typical existing homes in Billings range $350K-$600K, while luxury homes can exceed $900K–$1 M+. Rural areas outside Billings have more acreage properties at similar or slightly lower prices. Building a new home on a city lot or suburban land generally costs $500K-$800K+ depending on location and finish. The county is urban/suburban with rural fringe, offering full services, airport access, and Montana’s strongest job market.