Washington Child Support Guidelines (2026 Updates)
The transition to a dual-household structure relies on the accurate calculation of support based on your combined net income of $15,800. In Benton County, WA, this follows the Income Shares Model to benefit one child.
Breakdown of the $15,800 Calculation
For a combined income of $15,800, the 2026 guidelines set the presumptive support for one child at $1,951. This ensures the transfer payment fairly reflects the total resources available to the family.
High-Income Notice
Because your combined income of $15,800 exceeds the $12,000 statutory ceiling, the $1,951 base is a minimum starting point. Judges in Benton 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 child support formula for $15,800 includes the SSR protection. For 2026, this is $2,394. It guarantees the parent paying $1,951 isn't left with less than $2,394 to cover their own basic rent and food.
Filing in Benton County Superior Court
In Benton County Superior Court, located in Prosser, child support orders based on a $15,800 combined income are filed with theBenton/Franklin Superior Court clerk at 7122 W Okanogan Pl, Bldg A, Kennewick, WA 99336. Filing fees inBenton County are $250 - $314. Once filed, the presumptive$1,951/mo order for one child becomes the baseline unless either parent requests a deviation hearing.
Income Bracket Context
At $15,800/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 $1,951, particularly for lifestyle-based deviation arguments in Benton County.
Deviation Likelihood in Benton County
High-income deviation arguments are frequently raised in Benton County at the $15,800 level. Since the schedule caps at $12,000 combined net income, the $1,951 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 $15,800/mo, the $1,951 obligation reflects Washington's base rate. Parents adding a second child to the order would see this figure rise to $3,014 — an increase of $1,063 — reflecting the additional resources required under the 2026 schedule.
Related Income Tiers
Parents earning slightly more than $15,800 — at $15,900/mo — would face a presumptive order of $1,960/mo for one child in Washington. Those earning slightly less at $15,700/mo would owe $1,942/mo. These neighboring brackets help illustrate how Washington's 2026 schedule scales support incrementally with income.
Application in Benton County Superior Court
While the 2026 economic schedule is uniform statewide, the Benton/Franklin Superior Court handles procedural enforcement. In Benton County, judges may require additional proof of income before finalizing the $1,951 order.
Calculation Summary & Requirements
In summary, the 2026 guidelines for $15,800 provide a clear expectation of $1,951 for one child. While Benton County rules add complexity, the $15,800 baseline remains the most important factor.
Accuracy & Legal Status
DSHS and the Benton County Superior Court are the final authorities on support orders. These 2026 $15,800 and $1,951 estimates for one child help explain the general legal framework in Benton County, WA.