County Calendar

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 | 10:00 - 11:30 a.m. | Department of Human Services

Senior Saunter

November 4, 2025 | 10:00 a.m. - 12:00 p.m. | Sonoma County Regional Parks | Laguna de Santa Rosa Trail

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

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).

California Native Plant Society Volunteer Workday

November 5, 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.

Coordinated Entry Advisory Committee Meeting November 5 2025

November 5, 2025 | 12:00 - 1:30 p.m. | Department of Health Services

Design Review Committee Meeting

November 5, 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.

Sonoma County Multi-Jurisdictional Hazard Mitigation Plan Update Public Meeting

November 5, 2025 | 5:30 - 6:30 p.m. | Department of Emergency Management

Join Sonoma County, Cloverdale Fire Protection District, and other regional planning partners for a meeting to review the draft 2026 Multi-Jurisdictional Hazard Mitigation Plan. This plan is the result of a year-long planning process involving the county, all municipalities, and 12 special districts. The Hazard Mitigation Plan is updated on a five-year cycle and is required to maintain eligibility for FEMA Hazard Mitigation Assistance grants. The plan analyzes the jurisdiction’s risk from natural hazards, identifies mitigation capabilities, and outlines a strategy that reduces risk from natural hazards. Spanish interpretation will be provided.