Mask rules in the Bay Area: Has anything actually changed? July 16, 2021 FacebookTwitterEmail Jeanette Archie of Sacramento (left) and Lyndale Garner of Sacramento wear masks as they chat while riding the the San Francisco-bound ferry boat from Vallejo on Tuesday, July 6.Jessica Christian/The Chronicle Though health officials in seven Bay Area counties urged vaccinated residents to wear masks indoors as a precautionary measure against the highly infectious delta coronavirus variant, not much has officially changed. Across the Bay Area, masking rules are officially the same as they were since California reopened on June 15, though individual stores, workplaces and other entities may have been setting their own stricter regulations in response to the variant.