Of 72 counties in the state, Washington County ranks 68th by size (435 square miles). Washington County is in Southeast Wisconsin. Wisconsin's Washington County includes roughly 1,000 acres of equestrian property for sale based on recent Land Network data. The combined market value of farms and rural land for sale here was almost $2 million. Browse all Washington County horse farms for sale on the Land Network to find the equestrian property that's right for your future needs, whether you're a horse breeder, equestrian business or simply horse lover looking for stable facilities, grooming pens or grazing pasture for your own horses. The most common type of land for sale by combined acreage in Washington County is house.