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 $11,700. In King County, WA, this follows the Income Shares Model to benefit one child.
Breakdown of the $11,700 Calculation
For a combined income of $11,700, the 2026 guidelines set the presumptive support for one child at $1,565. This ensures the transfer payment fairly reflects the total resources available to the family.
Standard Mid-Income Calculation
Your $11,700 income falls within the standard economic schedule. This means the $1,565 figure is the presumptive legal standard. Want a complete breakdown including deviations and expenses? Calculate your full worksheet
Presumptive Amount
$1,565
Schedule Bracket
Standard Limit
The SSR and Low-Income Safeguards
The child support formula for $11,700 includes the SSR protection. For 2026, this is $2,394. It guarantees the parent paying $1,565 isn't left with less than $2,394 to cover their own basic rent and food.
Filing in King County Superior Court
In King County Superior Court, located in Seattle, child support orders based on a $11,700 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$1,565/mo order for one child becomes the baseline unless either parent requests a deviation hearing.
Income Bracket Context
At $11,700/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 $1,565, particularly for lifestyle-based deviation arguments in King County.
Deviation Likelihood in King County
At the $11,700 level, deviation requests are less common but still possible in King County. The most frequent grounds are extraordinary healthcare costs, shared custody arrangements, or documented debts. The presumptive $1,565 is upheld in the majority of standard cases at this income tier.
Children-Specific Insight
For one child at $11,700/mo, the $1,565 obligation reflects Washington's base rate. Parents adding a second child to the order would see this figure rise to $2,364 — an increase of $799 — reflecting the additional resources required under the 2026 schedule.
Related Income Tiers
Parents earning slightly more than $11,700 — at $11,800/mo — would face a presumptive order of $1,568/mo for one child in Washington. Those earning slightly less at $11,600/mo would owe $1,562/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 $1,565 order.
Calculation Summary & Requirements
In summary, the 2026 guidelines for $11,700 provide a clear expectation of $1,565 for one child. While King County rules add complexity, the $11,700 baseline remains the most important factor.
Accuracy & Legal Status
DSHS and the King County Superior Court are the final authorities on support orders. These 2026 $11,700 and $1,565 estimates for one child help explain the general legal framework in King County, WA.