Public can now comment on Trails at Carmel Mountain Ranch development project 1,200-unit housing project in environmental review The public can now comment on a 1,200-unit housing development on the old Carmel Mountain Ranch golf course. and last updated 2021-01-14 10:14:21-05 SAN DIEGO (KGTV) - The public now has a chance to chime in on a controversial housing project proposed for the old golf course at Carmel Mountain Ranch. Developer New Urban West is trying to build 1,200 homes on the property. They also plan to develop parks, open space, trails, and community gathering areas. The City of San Diego just released the Environmental Impact Review of the project.