New Year’s Holiday JanJanuary 1 2018 All day Share Facebook Twitter Email City Hall will be closed on January 1 and 2. More upcoming events Art On the Plaza July 5, 2025 Sonoma Sundays in the Plaza with Music In Place July 6, 2025 Tuesday Night Market July 8, 2025 Design Review and Historic Preservation Commission Meeting July 8, 2025 Sonoma Valley Jazz Society Presents: Tuesday Night Market Jazz July 8, 2025 All events ยป