County Calendar

Holiday Closure: Thanksgiving 2026

November 26, 2026 | 12:00 a.m. - 11:59 p.m. | County of Sonoma

Most Sonoma County Offices closed

Holiday Closure: Day After Thanksgiving 2026

November 27, 2026 | 12:00 a.m. - 11:59 p.m. | County of Sonoma

Most Sonoma County Offices closed

Environmental Review Committee Meeting

December 1, 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.

Landmarks Commission Meeting

December 1, 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).

Coordinated Entry Advisory Committee Meeting December 2, 2026

December 2, 2026 | 12:00 - 1:00 p.m. | Department of Health Services

Design Review Committee Meeting

December 2, 2026 | 1:30 p.m. | Permit Sonoma

The Design Review Committee (DRC) reviews and approves the design of significant new development projects, such as new commercial development. The Committee considers building and site design, architecture, colors, lighting, signs, landscaping and other design-related issues.

Parks and Recreation Advisory Commission Meeting

December 2, 2026 | 5:30 p.m. | Sonoma County Regional Parks

Planning Commission Meeting

December 3, 2026 | 1:00 p.m. | Permit Sonoma

County of Sonoma Planning Commission Meeting will serve to answer questions on the Planning Commission Staff Report.

EDC Regular and Foundation Meeting December 2026

December 9, 2026 | 7:30 - 9:00 a.m. | Economic Development Collaborative | EDC Office

Measure O Citizen’s Oversight Committee Meeting 

December 9, 2026 | 4:00 - 6:00 p.m. | Department of Health Services