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County of Sonoma

County of Sonoma - Events

County Calendar

Showing 1 - 10 of 331 upcoming events


Ice Plant Removal Workday

December 31, 2025 | 9:30 a.m. - 12:30 p.m. | Sonoma County Regional Parks | Doran Regional Park

Join the California Native Plant Society for a rewarding volunteer workday at Doran Park! Help us remove invasive ice plants, preserving the natural habitat.


Holiday Closure: New Year's Day

January 1, 2026 | 12:00 a.m. - 11:59 p.m. | County of Sonoma

Most Sonoma County Offices closed


Canceled | Civil Service Commission Meeting

January 1, 2026 | 3:00 - 4:00 p.m. | Human Resources Department | Human Resources Large Training Room, 575 Administration Drive, Suite 117C, Santa Rosa, CA 95403 (Entrance on Fiscal Drive)

The Civil Service Commission meetings are regularly scheduled the first and third Thursday of each month at 3:00 PM. We welcome you to attend our meetings; your interest is encouraged and appreciated.


Wild Words Book Club: Better Living Through Birding

January 2, 2026 | 3:00 - 4:00 p.m. | Sonoma County Regional Parks

Cozy up with a good book as we explore the magical world of nature through literature.


sold out | Sunset Tide Pool Adventure

January 3, 2026 | 3:30 - 5:30 p.m. | Sonoma County Regional Parks | Pinnacle Gulch Coastal Access Trail

Join us to explore the amazing underwater world of tide pools!


Canceled | Environmental Review Committee Meeting

January 6, 2026 | 9:00 a.m. | Permit Sonoma

The function of the Environmental Review Committee (ERC) is to review public projects in accordance with the California Environmental Quality Act (CEQA) to determine whether a Mitigated Negative Declaration or an Environmental Impact Report is required.


Senior Saunter

January 6, 2026 | 10:00 a.m. - 12:00 p.m. | Sonoma County Regional Parks | Sonoma Valley Regional Park

Senior Saunters are low-impact hikes designed to connect older adults with beautiful parks and each other.


Landmarks Commission Meeting

January 6, 2026 | 3:00 p.m. | Permit Sonoma

The Landmarks Commission designates historic landmarks, reviews development proposals involving historic properties, and administers an historic resources preservation program. The Landmarks Commission meets the 1st Tuesday of each month (and as needed).


Ice Plant Removal Workday

January 7, 2026 | 9:30 a.m. - 12:30 p.m. | Sonoma County Regional Parks | Doran Regional Park

Join the California Native Plant Society for a rewarding volunteer workday at Doran Park! Help us remove invasive ice plants, preserving the natural habitat.