A Place to Thrive.
San Joaquin County.
San Joaquin County Government is an inventive partner who works on behalf of…
Emergency Preparation
SJREADY is a community notification system to alert residents about emergency events and other important public safety information. This system allows San Joaquin County to provide you with critical information quickly in a variety of situations such as severe weather, unexpected road closures, and evacuations of neighborhoods and buildings.
Government

Agricultural Commissioner / Assessor-Recorder-County Clerk / Auditor Controller / Board of Supervisors / Child Support Services / Community Development / Clerk of the Board / More

Services

Find County services you can access on-line. Abatement / Absentee Ballots / Abuse Accounts Payable / Address Change / Adoption / More

Strategic Priorities

San Joaquin County measures our success by the prosperity of our communities. We keep our focus firmly on ensuring that our County’s priorities – fiscal responsibility, good governance, public safety, economic growth, and managing and preserving our water resources – guide our investments, actions, innovation and service.

Meet Your
Board of Supervisors
The Board of Supervisors is the governing body of San Joaquin County and serves more than 789,410 residents. The Board established County policies, passes local ordinances, approves the budget, sets local tax rates, supports community programs and provides many other essential services.
County News
August 14, 2026
San Joaquin County Contributes to White House “Treatment First” Toolkit to Combat Homelessness and Addiction County’s innovative approach helps inform a national treatment-first framework

Earlier this week, the White House Office of National Drug Control Policy (ONDCP), U.S. Department of Health and Human Services, and Housing and Urban Development announced a first ever “Treatment First” toolkit to address addiction and homelessness. National experts, including San Joaquin County Health Care Services (SJCHCS) Director, Genevieve Valentine, were among 40 experts nationwide to help develop the Best Practices Toolkit: Addressing Homelessness and Addiction through “Treatment First.”

Full story
  • August 12, 2026
    San Joaquin County Registrar of Voters to Conduct Randomized Alphabet Drawing for November 3, 2026 General Election
    Full story
  • August 8, 2026
    San Joaquin County Registrar of Voters Announces Offices Extended Following Close of Nomination Period
    Full story
  • August 5, 2026
    First Human Case of West Nile Virus in San Joaquin County in 2026
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Our History
Greatness Grows Here
Established in 1850, San Joaquin County is composed of 28 departments and agencies that provide a full range of services to more than 789,410 residents. Encompassing an area of 1,426 square miles, including 35 square miles of water and waterways, with eight cities — Escalon, Lathrop, Lodi, Manteca, Mountain House, Ripon, Stockton, and Tracy — San Joaquin County has a long history of providing responsive public service and innovative programs while operating under sound fiscal principles. Working together, an elected Board of Supervisors and County staff strive to represent, and support and protect the individuals, families, businesses, and natural resources that make our County a great place to live, work and play.