The Roman Catholic Bishop of Oakland is a California corporation sole established in 1962 that serves approximately 550,000 resident Catholics across Alameda and Contra Costa counties. The organization oversees 82 parishes and missions, employing 72 staff members at its central Chancery office. It manages a diverse network of religious, educational, and charitable entities, including 34 schools, six cemeteries, and various social service programs. In fiscal year 2022, the diocese generated $21.1 million in total revenue.