A Place to Thrive.
San Joaquin County.
San Joaquin County Government is an inventive partner who works on behalf of…
Façade Program
Spark Grant
San Joaquin County 2025-2030 Comprehensive Economic Development Strategy (CEDS)
Economic Development
2026-2027 Adopted Budget
2025-26 Year in Review
2025 State of the County Address
New On-line Permit Process!
Report Illegal Dumping
County Initiatives
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
October 19, 2026
San Joaquin County Launches Know Your Zone Campaign to Optimize Emergency Alerts
Residents are encouraged to learn their evacuation zone as the County phases in zone codes in emergency alerts and notifications.

Today, the San Joaquin County Office of Emergency Services (OES) launched the Know Your Zone public awareness campaign to help residents understand their evacuation zones and prepare for potential emergencies particularly flooding associated with El Niño.

Full story
  • October 19, 2026
    San Joaquin County Public Health Services and The Drug Enforcement Administration Team Up for the 31St National Prescription Drug Take Back Day
    Full story
  • October 14, 2026
    San Joaquin County Hosts 2026 State of the County Exhibition Today in Manteca
    Full story
  • October 12, 2026
    Voter Registration Deadline Approaching on October 19
    Full story
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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.