County Calendar

Winging it Wednesday

October 29, 2025 | 8:30 - 10:30 a.m. | Sonoma County Regional Parks | Tolay Lake Regional Park

Enjoy leisurely bird walks for all levels of experience on the last Wednesday of the month.

California Native Plant Society Volunteer Workday

October 29, 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 plant, preserving the natural habitat.

How to: Performance Measures Development & Facilitation Training

October 29, 2025 | 10:00 a.m. - 12:30 p.m. | Upstream Investments

Build capacity to facilitate conversations around performance measures.

Planning Agency Meeting

October 30, 2025 | 1:00 p.m. | Permit Sonoma

The Planning Agency is made up of the Commissioners on both the Planning Commission and Board of Zoning Adjustments.

Little Parkies

November 1, 2025 | 9:30 - 11:30 a.m. | Sonoma County Regional Parks | Spring Lake Regional Park

Eager to enjoy the outdoors with your little one? We'll provide a fun and educational morning for children ages 3-7 and their families.

November 4, 2025, Statewide Special Election

November 4, 2025 | 7:00 a.m. - 8:00 p.m. | Registrar of Voters

On August 21, 2025, Governor Gavin Newsom signed legislation calling a statewide special election to be held on November 4, 2025. Two local jurisdictions are also having elections on this date: Timber Cove County Water District (four candidates running for three district director seats) and Petaluma Joint Union High School District (Measure I -- Parcel Tax).

Environmental Review Committee Meeting

November 4, 2025 | 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.

Aging & Disability Commission: Executive Committee Meeting

November 4, 2025 | 11:00 a.m. - 12:30 p.m. | Department of Human Services

Veterans Advisory Committee Meeting November 4, 2025

November 4, 2025 | 2:00 p.m. | Sonoma Public Infrastructure | Petaluma Veterans Memorial Building

Landmarks Commission Meeting

November 4, 2025 | 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).