San Juan County is in Puget Sound Washington. Of the 39 counties in the state, San Juan County is 36th in terms of its size (397,310 acres). Washington's San Juan County includes around 1,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was about $3 million. The average price of undeveloped land for sale in San Juan County was $856,666. Some suggested uses for undeveloped land currently for sale in San Juan County include for agriculture, orchard/vineyards, agribusiness, residential single, and commercial use. Some common wildlife species to be found on undeveloped land for sale in San Juan County include elk, mule deer, bear, grouse and geese. Current commercial applications for commercial property for sale in San Juan County include for agriculture, orchard/vineyards, agribusiness, residential single and commercial use. Browse all Washington undeveloped land for sale on the Land Network to find your next commercial property or land investment.