Washington Child Support Guidelines (2026 Updates)
Washington's 2026 child support laws are designed to be predictable. This review explains how the state arrives at the support figure for one child at the $13,400 mark, providing clarity for the process in Pierce County.
Breakdown of the $13,400 Calculation
Washington's 2026 schedule provides a specific line item for $13,400 net income. For families with one child, this dictates a $1,719 base obligation, though Pierce County judges may deviate for cause.
High-Income Notice
Because your combined income of $13,400 exceeds the $12,000 statutory ceiling, the $1,719 base is a minimum starting point. Judges in Pierce County, WA have discretion to increase support proportional to the family's standard of living. Want a complete breakdown including deviations and expenses? Calculate your full worksheet
Note: The 45% net income cap remains a vital legal defense.
The SSR and Low-Income Safeguards
The 2026 Washington schedule incorporates the $2,394 SSR. For a $13,400 income, the $1,719 obligation is subject to a check to ensure the payor isn't reduced to a net income below the poverty threshold.
Filing in Pierce County Superior Court
In Pierce County Superior Court, located in Tacoma, child support orders based on a $13,400 combined income are filed with thePierce County Superior Court clerk at 930 Tacoma Ave S, Rm 110, Tacoma, WA 98402. Filing fees inPierce County are $290. Once filed, the presumptive$1,719/mo order for one child becomes the baseline unless either parent requests a deviation hearing.
Income Bracket Context
At $13,400/mo, this household falls in the upper income bracket of Washington's 2026 schedule — above the state median of $7,114/mo. At this level, courts have wider discretion to order above the presumptive $1,719, particularly for lifestyle-based deviation arguments in Pierce County.
Deviation Likelihood in Pierce County
High-income deviation arguments are frequently raised in Pierce County at the $13,400 level. Since the schedule caps at $12,000 combined net income, the $1,719 figure is a floor — not a ceiling. Attorneys often argue for upward deviations based on the children's established standard of living and available parental resources.
Children-Specific Insight
For one child at $13,400/mo, the $1,719 obligation reflects Washington's base rate. Parents adding a second child to the order would see this figure rise to $2,620 — an increase of $901 — reflecting the additional resources required under the 2026 schedule.
Related Income Tiers
Parents earning slightly more than $13,400 — at $13,500/mo — would face a presumptive order of $1,729/mo for one child in Washington. Those earning slightly less at $13,300/mo would owe $1,709/mo. These neighboring brackets help illustrate how Washington's 2026 schedule scales support incrementally with income.
Application in Pierce County Superior Court
While the 2026 economic schedule is uniform statewide, the Pierce County Superior Court handles procedural enforcement. In Pierce County, judges may require additional proof of income before finalizing the $1,719 order.
Calculation Summary & Requirements
Determining support for a $13,400 income in Washington is a multi-step process. While the 2026 tables set a $1,719 baseline for one child, the final order in Pierce County considers deviations and the SSR.
Accuracy & Legal Status
While we strive for accuracy, these figures for $13,400 are for informational purposes. The 2026 guidelines are subject to change, and the Pierce County Superior Court has the final authority on all support amounts.