WOW! Remarkable sustainable custom home on 20 tree-studded acres just outside the quaint, historic Town of Patagonia. Small residential community on 8 acre lots or larger, with no HOA. Built by an engineer and his artist wife of autoclaved aerated concrete (AAC) block finished with mud adobe plaster and stucco. Interior adobe bricks were made on the property, and the oak lintels harvested from its trees. 2Bd/2Ba with flex space/family room, rock-walled dining room and wrap-around porch with sleeping area. Antique Mexican interior doors and custom woodwork. Steam shower, mini-splits, radiant floor heating and special Rumford fireplace all provide all year comfort. Separate storage & workshop and plenty of room for a Casita, garage or barn. See attached list of custom features.