80 ac in the Foothills above North Fontana. County Zoned SD-RES (Special Development). The SD zoning allows for a combination of residential, commercial, industrial, agricultural, open space and recreation uses. The “RES” suffix indicates focus on residential Planned Development projects. Great Opportunity to acquire for the future and the theoretical residential development expansion into the hills. Landsea Homes has a new development at the base of the foothills called Narra Hills.