The order would not affect grocery stories, pharmacies, food banks, banks and some cafeterias located inside hospitals, nursing homes or food vendors at Tucson International Airport.
The declaration would also encourage churches and the houses of worship to limit gatherings on their premises.
The board meeting is scheduled for 9 a.m. at the Board of Supervisors Hearing Room, 130 W. Congress St.
The Board's plan to have an emergency meeting follows Tucson Mayor Regina Romero's emergency declaration yesterday closing similar establishments and limiting restaurants to take-out and drive-thru service.
Restaurants in Oro Valley and Marana remain open, with officials in those towns saying they are waiting to see what Pima County does.
As of today's Arizona Department of Health Services report, Pima County has five confirmed cases of COVID-19. A total of 265 people have been tested for COVID-19; total of 15 people have tested positive, 102 cases are still pending and 148 have been ruled out. Statewide numbers updated here.