Spousal Support in Lassen County, California

In Lassen County, file spousal support requests with the Superior Court of California, County of Lassen, at 220 South Lassen Street in Susanville. Susanville is the county seat and the only incorporated city in this large, sparsely populated northeastern California county. The court's family law division handles all spousal support cases in the county at this Susanville location.

To ask for spousal support while a case is pending, a party usually files Form FL-300, Request for Order, and a completed FL-150 Income and Expense Declaration. California Rule of Court 5.92 sets the notice rules. Notice is generally due at least 16 court days before the hearing. A response is due at least 9 court days before the hearing.

Lassen County calculates temporary spousal support the same way as other California courts. It uses a certified guideline program. DissoMaster was discontinued as of April 1, 2025. The court now runs these calculations through XSpouse or a comparable Judicial Council-certified program, using both parties' income and other required figures.

For long-term support, decided at trial or included in a settlement, Lassen County judges use the factors in Family Code section 4320 instead of a fixed formula. They consider the length of the marriage, each spouse's earning capacity, age, health, and the standard of living the couple maintained.

Where spousal support cases are heard in Lassen County

Spousal support matters in Lassen County are handled by the Superior Court of California, County of Lassen, with the county seat in Susanville. Because courthouse locations, hours, and local procedures change over time, use the official California Courts court finder to confirm current details for your case:

Find the Lassen County Superior Court (official California Courts finder)

How spousal support works in California

California distinguishes between temporary spousal support, ordered while a case is pending, and long-term spousal support, ordered at judgment. For temporary support, many counties, including some large ones, have adopted a local guideline formula (commonly run through software like DissoMaster or XSpouse) that produces a presumptive number; other counties leave temporary support to the judge's discretion without a local formula.

Long-term spousal support, by contrast, has no formula anywhere in California. A judge weighs the factors in Family Code section 4320, including each spouse's earning capacity, the marital standard of living, the length of the marriage, and the supported spouse's ability to become self-supporting. Spousal support is requested with a Request for Order (Form FL-300) and an Income and Expense Declaration (Form FL-150), inside a divorce or legal separation case.

Local notes for Lassen County

Lassen County's Family Law Facilitator can be reached by texting (530) 903-5838 with your name and a callback number. This is a more informal contact method than the phone-appointment systems used in many other counties. The service helps self-represented parties with paperwork like FL-150 and FL-300 for spousal support requests.

The court also has an Access to Justice Center at 2610 Riverside Drive in Susanville. This is separate from the main courthouse on South Lassen Street. Additional self-help resources may be available there. Confirm current hours and services at each location before you go.

Lassen is a large, rural county, and most of its small population is near Susanville. Residents in outlying areas should allow extra travel time. Confirm current clerk's office hours at (530) 251-8205 before filing in person.

A fee waiver is available statewide on Form FW-001 for anyone who cannot afford the filing fee. Lassen County processes these the same way as other California courts. Family Code section 4325 also applies here. A spouse convicted of a domestic violence offense against the other spouse within five years before filing faces a rebuttable presumption against receiving spousal support, along with the standard 4320 factors.

Official spousal support resources in Lassen County

Superior Court of California, County of Lassen handles spousal-support filings, located at 220 South Lassen Street, Susanville 96130. Phone: (530) 251-8205. Lassen Superior Court Hall of Justice Access to Justice Center at 2610 Riverside Drive handles self-help and facilitator services.

The filing fee is $435. No dedicated e-filing portal confirmed on the court's public pages; unverified.

Lassen Superior Court Family Law Facilitator (https://lassencourt.ca.gov/self_help/flf.shtml) can help with procedure and paperwork. To reach the facilitator, text (530) 903-5838 with your name and a callback number to be added to the callback list.

• Lassen Superior Court: Family Law
• Lassen Superior Court: Family Law Facilitator
• California Courts: Spousal or Partner Support (self-help)
• Family Code section 4320 (long-term support factors)

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

Lassen County Spousal Support FAQs