Christmas Holiday DecDecember 25 2017 All day Share Facebook Twitter Email City Hall will be closed on December 25 and 26. More upcoming events Tuesday Night Market September 26, 2023 CA Native Plant Sale at Sonoma Garden Park September 29, 2023 2023 Valley of the Moon Vintage Festival on the Sonoma Plaza September 30, 2023 Harvest Market at Sonoma Garden Park September 30, 2023 Music in Place Free Concert Series October 1, 2023 All events ยป