City Offices Closed – Labor Day SepSeptember 7 2020 All day Share Facebook Twitter Email Sonoma City Offices will be closed Monday, September 7, 2020, in observance of Labor Day. More upcoming events Sonoma Sundays in the Plaza with Music In Place July 13, 2025 General Plan Update Task Force Meeting July 14, 2025 Tuesday Night Market July 15, 2025 City Council Meeting July 16, 2025 Planning Commission Meeting July 17, 2025 All events ยป