County Calendar

Ice Plant Removal Workday

February 11, 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.

Community Advisory Council (CAC) Meeting

February 11, 2026 | 6:00 p.m. | Independent Office of Law Enforcement Review and Outreach

The Community Advisory Council meets the first Wednesday of each month. Meeting will be held in-person.

Holiday Closure: Lincoln's Birthday 2026

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

Most Sonoma County Offices closed

Historical Records Commission Meeting

February 12, 2026 | 4:00 - 5:00 p.m. | Clerk-Recorder-Assessor

The Sonoma County Historical Records Commission promotes the preservation of historical records in and about Sonoma County, California.

Lower Russian River Municipal Advisory Council Meeting February 12, 2026

February 12, 2026 | 5:30 p.m. | Board of Supervisors Department

sold out | Newt Commute

February 13, 2026 | 10:00 a.m. - 12:00 p.m. | Sonoma County Regional Parks | Monte Rio Redwoods Regional Park and Preserve

Come find out who's walking around in the woods!

Fire Ecology Hike: Shaped by Fire

February 14, 2026 | 9:30 a.m. - 12:30 p.m. | Sonoma County Regional Parks | Mark West Creek Regional Park and Preserve

Come discover how fire is an inseparable part of the California landscape.

Science Saturday: Marble Mazes 11am- 12pm

February 14, 2026 | 11:00 a.m. - 12:00 p.m. | Sonoma County Regional Parks | Environmental Discovery Center

Bring your junior scientist over to the EDC to enjoy a kids-only, interactive science and art hour.

Science Saturday: Marble Mazes 1-2pm

February 14, 2026 | 1:00 - 2:00 p.m. | Sonoma County Regional Parks | Environmental Discovery Center

Bring your junior scientist over to the EDC to enjoy a kids-only, interactive science and art hour.

Holiday Closure: President's Day 2026

February 16, 2026 | 12:00 a.m. - 11:59 p.m. | County of Sonoma

Most Sonoma County Offices closed