How support is calculated, modified, and enforced — from guidelines to college expenses.
Lost your job in Washington? Child support modification needs a 25%/$50+ change under RCW 26.09.170. Keep paying until a judge changes the order. 2026 guide.
Does 50/50 custody eliminate child support in Washington? No. Courts run the full income-shares formula under RCW 26.19.020; deviations require a 90-overnight threshold.
Back child support in Washington accrues 12% annual interest and stays enforceable until the youngest child turns 28. Learn arrears collection in 2026.
Washington requires health insurance in child support orders with a 25% cost cap. Learn RCW 26.09.105 requirements, cash medical support, and 2026 HB 1014 changes.
Washington courts can order college support until age 23 under RCW 26.19.090. Learn filing deadlines, UW tuition caps, and 2026 requirements.
Washington enforces unpaid child support through wage garnishment (up to 50%), license suspension, tax intercepts, and jail time up to 364 days. Complete 2026 guide.
Learn how to modify child support in Washington under the 2026 law changes. Filing fee is $56, requires 25% change threshold. Complete step-by-step guide.
Washington child support uses the Income Shares Model with a $50 minimum per child. 2026 economic table now covers incomes up to $50,000/month.
Washington parents owing $2,500+ in child support face passport denial or revocation. Learn the 2026 federal enforcement rules and how to restore eligibility.
Washington alimony vs child support: Learn the key differences. Child support uses a formula (up to $50K income); spousal maintenance has no formula. 90-day wait.
Washington parents share extracurricular costs proportionally under RCW 26.19.080. Learn how courts divide sports fees, camps, and activity costs in divorce.
Pay child support in Washington via DCS Online portal, wage withholding, or MoneyGram. Filing fee $314-$364. 12% interest on late payments. Complete 2026 guide.
Child support is not taxable in Washington. Payers cannot deduct it; recipients owe zero tax. Full 2026 guide to IRS rules, dependents, and RCW 26.19.
Child support in Washington ends at age 18, or high school completion if later. Courts may extend support to age 23 for college or indefinitely for disabled children.
Use Washington's child support calculator under RCW 26.19. Updated for 2026 EHB 1014 changes: $50,000 income table, 180% self-support reserve, $2,200 minimum threshold.