Child Support in Stockton and San Joaquin County, California

San Joaquin County anchors the northern San Joaquin Valley, and its family courts and local child support agency handle a steady flow of support cases for families in Stockton, Tracy, Manteca, Lodi, and Lathrop. A child support case here runs through the Superior Court of California, County of San Joaquin, which hears family law and support matters at the Stockton Courthouse, and the San Joaquin County Department of Child Support Services, the county's Local Child Support Agency.

California sets child support with a statewide uniform guideline formula (Family Code section 4055). The result depends mainly on both parents' net disposable incomes and the percentage of time the child spends with each parent, called the timeshare. That guideline amount is presumed correct, and San Joaquin County applies it exactly as the rest of the state does.

Support gets ordered in two common ways. Either parent can file a Request for Order (Form FL-300) with an Income and Expense Declaration (Form FL-150) inside a divorce, parentage, or custody case at the Stockton Courthouse, or the San Joaquin County Department of Child Support Services, part of the statewide California Department of Child Support Services, can open a case to establish and enforce support. The forms are the same statewide, so what changes locally is administrative: which courthouse floor and which agency office handle your paperwork.

Because the number turns on income and timeshare, estimating early is useful. Our free California child support calculator gives you a starting figure, and parents who agree can submit a written stipulation for a judge to sign.

How child support is calculated in California

California sets child support with a statewide uniform guideline (Family Code section 4055) that applies the same way in San Joaquin County as everywhere else. The formula is based mainly on two things:

1. Both parents' net disposable incomes.
2. The percentage of time the child spends with each parent (the timeshare).

The guideline amount is presumed to be correct, and courts use a calculator to run the numbers. Because the result depends on accurate income, the Income and Expense Declaration (Form FL-150) you file is what drives your number.

Where child support cases are handled in San Joaquin County

Child support in San Joaquin County is handled through the Superior Court of California, County of San Joaquin, and the county's Local Child Support Agency, which is part of the California Department of Child Support Services. There are two common paths:

1. Either parent files a Request for Order (Form FL-300) with an Income and Expense Declaration (Form FL-150) inside a divorce, parentage, or custody case.
2. The Local Child Support Agency opens a case to establish, collect, and enforce support, often at no cost to the parents.

Because courthouse and local agency office details change over time, confirm current details using the official California Courts court finder:

Find the San Joaquin County Superior Court (official California Courts finder)

Local notes for San Joaquin County

San Joaquin County handles family law and child support filings at the Stockton Courthouse, 180 E Weber Ave in downtown Stockton, where Requests for Order and Income and Expense Declarations are filed at the clerk's office on the 4th floor. The San Joaquin County Department of Child Support Services runs a separate office, also based in Stockton, for opening and managing support cases. Confirm current hours with the Superior Court of California, County of San Joaquin, and reach the county agency directly, before you file in person or by mail.

The Superior Court's Self-Help Center, at 180 E Weber Ave, Suite 105 in Stockton (formerly known as the Pro Per Clinic), helps parents who represent themselves complete Form FL-150 and understand court procedure, but staff there do not give legal advice or represent you in your case. Because the guideline result is driven by the income figures you report, filling out the Income and Expense Declaration accurately and completely is the most important step you take.

Child support in California generally continues until the child turns 18, or 19 if the child is still a full-time high school student living at home and not self-supporting. Either parent can ask the court to modify support when income or the parenting timeshare changes in a meaningful way.

Official child support resources in San Joaquin County

San Joaquin County's child support matters are handled by two separate offices, both based in Stockton. The Superior Court of California, County of San Joaquin hears support requests as part of family law cases at the Stockton Courthouse (180 E Weber Ave, Stockton), where Requests for Order and supporting paperwork are filed at the clerk's office on the 4th floor. This is where a parent files to open, respond to, or change a support order as part of a divorce, parentage, or custody case.

The San Joaquin County Department of Child Support Services is the county's Local Child Support Agency, part of the statewide California Department of Child Support Services. It can open a case to establish paternity, set a guideline support order, and collect and enforce payments, often at no direct cost to either parent, as an alternative to filing your own Request for Order.

The Superior Court's Self-Help Center (formerly called the Pro Per Clinic), located at 180 E Weber Ave, Suite 105 in Stockton, assists self-represented parents with completing forms like the Income and Expense Declaration and understanding court procedure. Staff there are court employees, not your attorney: they can explain how the process works but cannot advise you on what to do in your specific case.

• San Joaquin County Department of Child Support Services
• Superior Court of California, County of San Joaquin: Family Law and Support
• Superior Court of California, County of San Joaquin: Stockton Courthouse
• Superior Court of California, County of San Joaquin: Self-Help Center

Local details reviewed July 2026. Offices and locations can change, so confirm with the official sites above before you file.

San Joaquin County Child Support FAQs