You Won't Believe What's Inside This Green Valley Estate - A True Poway Paradise! Discover an extraordinary opportunity to own a one-of-a-kind estate in the highly sought-after Green Valley neighborhood of Poway. Nestled on 1.56 acres of lush, private land, this 4,062 sq. ft. residence (including a 300 sq. ft. casita) seamlessly blends luxury, comfort, and breathtaking natural beauty.