City Offices Closed, New Years Eve and Day DecDecember 31 2025 All day Share Facebook Twitter Email City Offices will be closed in observance of the New Years Holiday. More upcoming events Saturday Harvest Markets at Sonoma Garden Park September 13, 2025 Sonoma Plein Air Festival Art Show & Sale September 13, 2025 Get to know Sonoma’s Sister City – Tokaj, Hungary September 13, 2025 Annual Celebration of Mexican Independence Day & Hispanic Heritage Month September 14, 2025 Sonoma Sundays in the Plaza with Music In Place September 14, 2025 All events ยป
