Partial exposure lot with western views. Howell Oaks is planned for 183 single family lots ranging in size from 12,000 to 15,000 square feet on approximately 175 acres of land. Howell Oaks is nestled around the jewel of the Waukesha County Parks system, the Retzer Nature Center. Nearly 75 acres is estimated to be permanently preserved in its natural unspoiled environment which will augment the Waukesha County park system.