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.

  • When: September 26, 2019 from 3:00 7:00 PM

    OneJustice is hosting a Free Immigration Workshop in Petaluma.

  • When: October 9, 2019 from 11:00 AM 1:00 PM

    Enjoy your lunch in front of the Sheriff’s Office to the music of a live DJ while you watch department teams compete in our annual Trike Race. Teams race head-to-head around the flagpole to raise money for their chosen charities and win bragging rights and the trophy for the year.

  • When: November 11, 2019

    Most Sonoma County Offices closed

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  • Published on August 19, 2019

    The County of Sonoma has created a space where you can learn about different topics related to emergency response and preparedness from experts, all in one place.

  • Published on July 19, 2019

    On July 9th, County Supervisors and staff participated in a quarterly workshop to learn how they can enhance their abilities to respond to a major emergency or disaster.

    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

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Major Activities of the County Administrator's Office

  • 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

2017 Sonoma County Annual Report

Community Priorities

2018 Sonoma County Annual Report

Together, we are strong, we are resilient, we are Sonoma County.

SoCo Correspondent

SoCo Correspondent

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Sonoma County monthly electronic newsletter

Sonoma LAFCO

Local Agency Formation Commission

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

County Compensation and Salaries

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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.

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