Washington Child Support Guidelines (2026 Updates)
When the court reviews a case with a combined net income of $13,400, they refer to the 2026 statutory tables. For households with one child, this income level carries predictable legal implications for your monthly budget.
Breakdown of the $13,400 Calculation
When calculating for one child at the $13,400 mark, the court first determines the combined wealth. Then, it refers to the $1,719 value in the statutory table to set the benchmark for King County.
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 King 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 Self-Support Reserve (SSR) is a legal shield. With the 2026 SSR at $2,394, any support order based on $13,400 is cross-referenced against this floor. If $1,719 is too high, the court will adjust it.
Filing in King County Superior Court
In King County Superior Court, located in Seattle, child support orders based on a $13,400 combined income are filed with theKing County Superior Court clerk at 516 3rd Ave, Room E-609, Seattle, WA 98104. Filing fees inKing County are $314. 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 King County.
Deviation Likelihood in King County
High-income deviation arguments are frequently raised in King 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 King County Superior Court
While the 2026 economic schedule is uniform statewide, the King County Superior Court handles procedural enforcement. In King County, judges may require additional proof of income before finalizing the $1,719 order.
Calculation Summary & Requirements
Washington's commitment to child welfare is reflected in the 2026 tables. For parents with a $13,400 combined income, the $1,719 obligation ensures children are supported following a separation in King County, WA.
Accuracy & Legal Status
The $1,719 figure mentioned for a $13,400 income is the presumptive amount under 2026 guidelines. Factors like shared custody or other obligations can lead the King County court to move from this baseline.