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Board of Supervisors

Sonoma County Board of Supervisors sits as the governing board of Sonoma County and of various special jurisdictions such as the Sonoma County Water Agency, the Northern Sonoma County Air Pollution Control District, the Agricultural Preservation and Open Space District, County Sanitation Districts, and the Community Development Commission.

The Board is composed of five supervisors elected from supervisorial districts for four year terms:


California State Association of Counties (CSAC) - Log

California State Association of Counties (CSAC) places a strong emphasis on educating the public about the value and need for county programs and services.

National Association of Counties - NACO Logo

The National Association of Counties (NACo) is the only national organization that represents county governments in the United States.

Contact Information

County of Sonoma
Office Hours
Monday – Friday
8:00 AM – 5:00 PM
575 Administration Drive
Room 100 A
Santa Rosa, CA 95403
38.464626, -122.725441

Board Meetings

General Information

Board meetings are generally held every Tuesday at 8:30 am.

Meeting Schedule

Agendas, Minutes & Videos

Frequently Asked Questions

Supervisorial Districts

District Map

Enter a street address and city in the search field of the interactive map.

Sonoma County Annual Reports

2014 Sonoma County Annual Report

Enrich, Inspire, Connect

Investing in beautiful, thriving & sustainable communities for all

Assessment Appeals

Assessment Appeals

The Assessment Appeals Board is an independent agency providing taxpayers a means to appeal their property tax assessment.

Task Force Website

Community and Local Law Enforcement Task Force

Task Force Charter, Rules of Procedure, members and presentations.

Lytton Rancheria Fact Sheet

Published on August 27, 2015 On May 21, 2015

Sonoma County Memorandum of Agreement Fact Sheet Regarding Lytton Rancheria Residential Development and Fee-to-Trust Project

Read More


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