Official government site provides information on each department, background on the county, and minutes from board of supervisors' meetings.

Federally funded organization advises the Board of Supervisors on child care issues. Includes survey on needs.

Information on obtaining marriage licenses, birth and death certificates, and business filings.

Organizational chart and contact information, descriptions of the work of office divisions and units, and a secure login for law enforcement officers, prosecutors, and public defenders.

Election results, voter registration, absentee voting, and lists of elected officials.

Manages water rights and hydroelectric generation. Information on activities and facilities.

Information on the county's efforts to plan for increasing growth pressure along the I-80 corridor.

Current information and links on road status and water levels. A division of the Yolo County Communications Emergency Services Agency.

An information network for landowner resource problems, bridging agricultural issues with science, education, and government.

Information on patrols, jail visiting hours, the coroner's office, and frequently asked questions, plus online forms for common civil issues.

Volunteer squad provides aerial support for law enforcement, including surveillance, drug eradication, photography, and search-and-rescue.

Map directions, local rules, and court contact and filing information.

Organization charged by the Clerk-Recorder's office with investigating whether electronic voting equipment is appropriate for the county.

Information on air quality and on programs to reduce pollution, plus fire updates and new regulations.