Sonoma County’s 4th Supervisorial District runs from the Sonoma – Mendocino County line south into Northwest Santa Rosa. East to West, it extends from the Mayacamas Mountain Range to the Coastal Hills.
Encompassing some 330,000 acres of land and more than 100,000 constituents, the District includes the cities of Cloverdale, Windsor, Healdsburg, and portions of Santa Rosa, as well as the unincorporated communities of Geyserville, Fulton and Larkfield-Wikiup.
The district is home to the Russian River, the Geysers, Lake Sonoma, and the premium wine growing regions of Alexander Valley, Knights Valley, Russian River Valley and Dry Creek Valley.