San Diego County is seeing a push toward increased housing density, including projects like a new Oceanside development featuring a mix of studios and townhouses, according to Coastal Luxe Properties / YouTube (What's NEW in San Diego for February 2026). The aim is to promote walkability and increase housing inventory across the county. These changes coincide with ongoing trends of rezoning single-family neighborhoods to allow for duplexes and cottages, Coastal Luxe Properties / YouTube (What's