Washington Child Support Guidelines (2026 Updates)
The 2026 state guidelines provide clear estimates for one child and a $13,400 monthly income. By examining the $13,400 tier, we can establish the mathematical baseline used by Thurston County judges.
Breakdown of the $13,400 Calculation
The $1,719 amount for one child at the $13,400 level was established by the Washington State Legislature using updated economic data. This ensures $1,719 is sufficient to sustain the children's needs.
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 Thurston 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
Regardless of your share of the $13,400, the SSR of $2,394 may apply if your net income is low. The court's priority is the child, but they must also ensure the payor can function within the $1,719 limit.
Filing in Thurston County Superior Court
In Thurston County Superior Court, located in Olympia, child support orders based on a $13,400 combined income are filed with theThurston County Superior Court clerk at 2000 Lakeridge Dr SW, Olympia, WA 98502. Filing fees inThurston County are $250 - $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 Thurston County.
Deviation Likelihood in Thurston County
High-income deviation arguments are frequently raised in Thurston 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 Thurston County Superior Court
While the 2026 economic schedule is uniform statewide, the Thurston County Superior Court handles procedural enforcement. In Thurston County, judges may require additional proof of income before finalizing the $1,719 order.
Calculation Summary & Requirements
Successfully managing support at the $13,400 level starts with knowing the 2026 rules. For one child, the $1,719 calculation is the framework for all negotiations and orders in Thurston County.
Accuracy & Legal Status
The $1,719 amount and other calculations provided for a $13,400 income are estimates based on the 2026 Washington Child Support Schedule. Actual orders in Thurston County may vary based on case details, discretion, and local rules.