Presidents’ Day, City Offices Closed FebFebruary 20 2023 All day Share Facebook Twitter Email Sonoma City Offices will be closed in observance of the Presidents’ Day Holiday. More upcoming events Sonoma Sundays in the Plaza with Music In Place August 31, 2025 City Office Closed – Labor Day September 1, 2025 Tuesday Night Market September 2, 2025 Sonoma Art Walk – First Thursdays September 4, 2025 Ladies of Broadway presented by Broadway Under the Stars September 4, 2025 All events ยป