Washington Child Support Guidelines (2026 Updates)
Understanding Washington child support for a combined monthly net income of $2,900 requires reviewing the 2026 economic schedules. Whether filing in Jefferson County or elsewhere, the base amount depends on the proportion of parental income dedicated to the children.
Breakdown of the $2,900 Calculation
Applying the Income Shares approach to a $2,900 income, Washington assumes parents would dedicate $630 of their combined resources to one child. This serves as the presumptive transfer payment.
Standard Mid-Income Calculation
Your $2,900 income falls within the standard economic schedule. This means the $630 figure is the presumptive legal standard. Want a complete breakdown including deviations and expenses? Calculate your full worksheet
Presumptive Amount
$630
Schedule Bracket
Standard Limit
The SSR and Low-Income Safeguards
Washington law ensures every parent retains a minimum income to survive. The 2026 SSR is fixed at $2,394. At the $2,900 level, the court verifies that the payor still retains $2,394 after the $630 payment.
Filing in Jefferson County Superior Court
In Jefferson County Superior Court, located in Port Townsend, child support orders based on a $2,900 combined income are filed with theJefferson County Superior Court clerk at 1820 Jefferson St, Port Townsend, WA 98368. Filing fees inJefferson County are $250 - $314. Once filed, the presumptive$630/mo order for one child becomes the baseline unless either parent requests a deviation hearing.
Income Bracket Context
At $2,900/mo, this household falls in the lower income bracket of Washington's 2026 schedule — below the state median of $7,114/mo. At this level, SSR protections and low-income deviations are more likely to influence the final order than the presumptive $630 figure.
Deviation Likelihood in Jefferson County
At the $2,900 level, deviation requests are less common but still possible in Jefferson County. The most frequent grounds are extraordinary healthcare costs, shared custody arrangements, or documented debts. The presumptive $630 is upheld in the majority of standard cases at this income tier.
Children-Specific Insight
For one child at $2,900/mo, the $630 obligation reflects Washington's base rate. Parents adding a second child to the order would see this figure rise to $966 — an increase of $336 — reflecting the additional resources required under the 2026 schedule.
Related Income Tiers
Parents earning slightly more than $2,900 — at $3,000/mo — would face a presumptive order of $652/mo for one child in Washington. Those earning slightly less at $2,800/mo would owe $609/mo. These neighboring brackets help illustrate how Washington's 2026 schedule scales support incrementally with income.
Application in Jefferson County Superior Court
While the 2026 economic schedule is uniform statewide, the Jefferson County Superior Court handles procedural enforcement. In Jefferson County, judges may require additional proof of income before finalizing the $630 order.
Calculation Summary & Requirements
Navigating the 2026 schedule for a $2,900 income is designed for fairness. For families with one child, the $630 basic obligation is the state's benchmark for care in Jefferson County.
Accuracy & Legal Status
This content regarding $2,900 income and 2026 support is for educational use. The $630 amounts are based on standard state tables. Local practices in Jefferson County may influence the final judicial order.