County Administrator's Office

Welcome to the County of Sonoma. We take great pride in serving our residents and visitors and thank you for taking the time to visit our website.

Sheryl Bratton

Sheryl Bratton
County Administrator

The Board of Supervisors appoints the County Administrator. In addition to assisting the Board in managing, directing and coordinating the operations of all county departments, the County Administrator also prepares the county budget and makes recommendations to the Board to promote economy and efficiency within the county.

The County Administrator's Office assists the Board of Supervisors in managing, directing and coordinating the operation of all departments over which the Board exercises control. The County Administrator also appoints the General Services, Fire Services and Information Systems Directors.

Post-Wildfire Disaster Fiscal Outlook Update - December 12, 2017

Staff Report to the Board of Supervisors providing the County's preliminary estimate of post-disaster fiscal impacts and challenges.

Staff Report – Fiscal Outlook Update(PDF: 735 kB)

Post Disaster Update(PDF: 2.07 MB)

  • Published on March 23, 2018

    The National Weather Service’s general rule of thumb is that a half an inch of rainfall in an hour can cause flash flooding in areas affected by fires. To better prepare, you can consider certain things.

    Please share the Correspondent with your family and friends, and if you have any ideas of how we can improve the newsletter or other outreach efforts please send us your thoughts to

    Read our Newsletter

  • Published on February 7, 2018

    As we reflect on the past year and look forward to the next, the vital role the County plays in improving the lives of the people and communities we serve has become all the more clear. We are living and working with a pre-and-post fire frame of reference – just like every county resident, business, government agency, and nonprofit.

    Please share the Correspondent with your family and friends, and if you have any ideas of how we can improve the newsletter or other outreach efforts please send us your thoughts to

    Read our Newsletter

  • More News
  • Registrar of Voters
    Published on April 4, 2018

    County Clerk William F. Rousseau reminds Sonoma County residents that the deadline to complete a survey about their voting experiences is April 13, 2018. Residents are encouraged to take a brief survey to share their experiences with the current voting system; what they liked or disliked, and what they think are priorities to consider when selecting a new voting system.

  • Board of Supervisors
    Published on March 14, 2018
    Sonoma County is ranked the seventh healthiest county in California, according to the 2018 County Health Rankings & Roadmaps.
  • More Press Releases

Major activities of the office include:

  • Review of all Agenda Items for the Weekly Meetings of the Board of Supervisors
  • Evaluation of Performance of Appointed Department Heads
  • Responsibility for Managing and Coordinating the County' Emergency Services Function
  • Legislative Analysis for the Board of Supervisors and all County Departments
  • Preparation of Studies and Analyses including Quarterly Financial Reports and Multi-Year Budget Projections
  • Preparation of the County Budget Preparation of the County's Capital Improvement Program
  • Staff Services to the Criminal Justice Council and the Health and Human Services Council
County Administrator's Office Badge with background

Contact Information

575 Administration Drive
Suite 104A
Santa Rosa, CA 95403
38.464665, -122.725235

County's Annual Operating Budget

Sonoma County Annual Reports

2016 Sonoma County Annual Report

Enrich, Inspire, Connect

Annual Report 2016

Investing in beautiful, thriving & sustainable communities for all

SoCo Correspondent

SoCo Correspondent

SoCo Correspondent logo

Sonoma County monthly electronic newsletter

Sonoma LAFCO

Local Agency Formation Commission

LAFCO logo

Created by State law in 1963 to regulate the boundaries of cities and special districts.

County Compensation and Salaries

Transparent California
2011-2015 salary and benefit information for Sonoma County employees

SB 272

Senate Bill 272 requires local agencies publish a list of systems that serve as original sources of data within an agency.

Read more