Washington Child Support Guidelines (2026 Updates)
Calculating support for one child when the combined net income is $9,900 involves more than a simple table lookup. Factors like the Self-Support Reserve and local Clark County rules often influence the final order.
Breakdown of the $9,900 Calculation
With a combined $9,900 per month, parents are expected to provide $1,441 in basic support for one child. The 2026 rules split this obligation based on each parent's proportional share of the $9,900.
Standard Mid-Income Calculation
Your $9,900 income falls within the standard economic schedule. This means the $1,441 figure is the presumptive legal standard. Want a complete breakdown including deviations and expenses? Calculate your full worksheet
Presumptive Amount
$1,441
Schedule Bracket
Standard Limit
The SSR and Low-Income Safeguards
A vital component of the 2026 system is the Self-Support Reserve (SSR), set at $2,394. If paying $1,441 would leave the payor with less than $2,394, the court may reduce the obligation for fairness.
Filing in Clark County Superior Court
In Clark County Superior Court, located in Vancouver, child support orders based on a $9,900 combined income are filed with theClark County Superior Court clerk at 1200 Franklin St, Vancouver, WA 98660. Filing fees inClark County are $250 - $314. Once filed, the presumptive$1,441/mo order for one child becomes the baseline unless either parent requests a deviation hearing.
Income Bracket Context
At $9,900/mo, this household sits within Washington's standard mid-range bracket on the 2026 schedule, near the state median of $7,114/mo. The presumptive $1,441 for one child is typically applied as-is at this level, with fewer deviations than lower or higher income tiers.
Deviation Likelihood in Clark County
At the $9,900 level, deviation requests are less common but still possible in Clark County. The most frequent grounds are extraordinary healthcare costs, shared custody arrangements, or documented debts. The presumptive $1,441 is upheld in the majority of standard cases at this income tier.
Children-Specific Insight
For one child at $9,900/mo, the $1,441 obligation reflects Washington's base rate. Parents adding a second child to the order would see this figure rise to $2,184 — an increase of $743 — reflecting the additional resources required under the 2026 schedule.
Related Income Tiers
Parents earning slightly more than $9,900 — at $10,000/mo — would face a presumptive order of $1,451/mo for one child in Washington. Those earning slightly less at $9,800/mo would owe $1,432/mo. These neighboring brackets help illustrate how Washington's 2026 schedule scales support incrementally with income.
Application in Clark County Superior Court
While the 2026 economic schedule is uniform statewide, the Clark County Superior Court handles procedural enforcement. In Clark County, judges may require additional proof of income before finalizing the $1,441 order.
Calculation Summary & Requirements
Finalizing a support order at the $9,900 level requires attention to the 2026 guidelines. Since $1,441 is the starting point for one child, you can better prepare for the financial change in Clark County, WA.
Accuracy & Legal Status
This page provides a generalized calculation for a $9,900 monthly net income under 2026 rules. The $1,441 figure for one child is presumptive and may be adjusted for insurance or daycare in Clark County.