Child Support in Siskiyou County, California

Siskiyou County is one of California's largest counties by land area. It runs from Yreka down past Mount Shasta and Weed. The court's filing system reflects that distance. You can use eFile to submit documents electronically and a separate case portal at caseportal.siskiyou.courts.ca.gov to check status. Both can reduce long trips to the courthouse. The courthouse is at 411 Fourth Street, Yreka, CA 96097, phone (530) 842-0411.

Child support follows Family Code 4055 here, just like in every California county. The formula uses each parent's net income and the child's timeshare between households. Estimate your number with the free calculator at childsupport.ca.gov. Then file Form FL-300 with an FL-150 income declaration in person, by mail, or through eFile.

The Siskiyou County Local Child Support Agency, at 520 S. Main Street in Yreka, can also open a case for you. It can establish parentage if needed and collect payments, usually without billing the parent who asks.

If you cannot afford the filing fee, Form FW-001 lets you ask the clerk for a waiver. After an order is entered, California generally adds an automatic income withholding order to the paying parent's wages. Payments then come straight from a paycheck instead of relying on a mailed check, no matter where in the county the case was filed.

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 Siskiyou 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 Siskiyou County

Child support in Siskiyou County is handled through the Superior Court of California, County of Siskiyou, 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 Siskiyou County Superior Court (official California Courts finder)

Local notes for Siskiyou County

Distance matters more in Siskiyou County than in most places. Yreka to Mount Shasta is around 45 minutes, and Weed and points further south add more time. eFile and the case portal exist largely because of that geography, so try them before making an in-person trip.

The self-help center's exact hours are not posted. It also is not confirmed whether a commissioner or a judge usually hears the child support calendar. Call (530) 842-0411 before a hearing or a facilitator visit. The call can save time.

The Local Child Support Agency office on South Main Street is separate from the courthouse. A parent using the agency for collections generally does not need to go to the Fourth Street courthouse. A parent near Mount Shasta or Weed who files through eFile can still check case status on the portal afterward. That also cuts down on calls that a court serving such a large geographic area would otherwise receive.

Official child support resources in Siskiyou County

Superior Court of California, County of Siskiyou handles child-support filings, located at 411 Fourth Street, Yreka 96097. Phone: (530) 842-0411.

E-filing is available through https://caseportal.siskiyou.courts.ca.gov. The court offers eFile for filing your case electronically, plus a case portal for viewing case information.

Siskiyou County Self-Help Center / Family Law Facilitator (https://www.siskiyou.courts.ca.gov/self-help) can help with procedure and paperwork. Helps self-represented parents with forms and procedure; cannot give legal advice for your situation.

• Superior Court of California, County of Siskiyou
• Siskiyou County Self-Help / Family Law Facilitator
• Siskiyou County Local Child Support Agency
• California Guideline Child Support Calculator
• Form FL-300 Request for Order
• Form FW-001 Request to Waive Court Fees

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

Siskiyou County Child Support FAQs