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County of Sonoma

County of Sonoma - Events

County Calendar

Showing 21 - 30 of 184 upcoming events


Holiday Closure: Thanksgiving 2025

November 27, 2025 | 12:00 a.m. - 11:59 p.m. | County of Sonoma

Most Sonoma County Offices closed


Holiday Closure: Day After Thanksgiving 2025

November 28, 2025 | 12:00 a.m. - 11:59 p.m. | County of Sonoma

Most Sonoma County Offices closed


Environmental Review Committee Meeting

December 2, 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.


Senior Saunter

December 2, 2025 | 10:00 a.m. - 12:00 p.m. | Sonoma County Regional Parks | Foothill Regional Park

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


Landmarks Commission Meeting

December 2, 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).


Ice Plant Removal Workday

December 3, 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.



Design Review Committee Meeting

December 3, 2025 | 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.