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Washington State Child Support Schedule Worksheets – 3 Parent

Washington · Washington State Courts · Effective June 1, 2026

This form is a detailed worksheet used to calculate child support obligations for three parents. It asks for information about income, deductions, expenses like healthcare and daycare, and household assets and debts.

Open the official PDFfrom Washington State Courts

Where this fits in a case

General & info

Information / general use — not tied to one step of a case

This form is used when calculating child support, specifically when three parents are involved in the case.

Either party may file.

Common questions

Who fills out this form?
The form is designed for use by either party involved in the case.
What does this form help calculate?
It helps calculate the basic child support obligation, as well as amounts for healthcare, daycare, and special expenses.
Does this form require a filing fee?
The provided text does not mention any filing fees associated with this form.

Revision history

No changes recorded since we started tracking this form on October 9, 2026. The current version took effect June 1, 2026.

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