Washington Parenting Time & Custody Overnight Calculator
Calculate custody overnights, determine annual percentage split, and verify statutory qualification for child support reductions under RCW 26.19.075(1)(d).
In Washington: Parenting time directly reduces child support obligations when a non-custodial parent reaches 92 overnights per year (25% timeshare) under RCW 26.19.075(1)(d). The court calculates relief using the parenting time residential credit (discretionary deviation). Standard rotational schedules such as 2-2-3 (182 nights) qualify for full shared-custody adjustments.
Parenting Time & Custody Overnight Calculator
Calculate annual overnights, time-sharing percentage, and state child support adjustment qualification.
2 nights every other weekend across 26 fortnights = 52 overnights/yr (14.2%).
Annual Time-Sharing Breakdown
Need Full Monthly Dollar Figures for Washington?
Calculate net payments using Washington's official child support schedule, health insurance add-ons, and income deductions.
Washington Legal Guidelines on Custody Overnights
Official Overnight Counting Rule in Washington
Residential time is evaluated based on overnights and substantial daily care periods.
Standard Default Possession Schedule
Alternating weekends, one mid-week evening, alternating holidays, and summer blocks (~85–95 overnights).
Court Evidence & Verification Checklist for Washington
If you are requesting or defending against a child support reduction in Washington family court based on shared physical care, prepare the following evidence:
- Keep records showing that direct child expenses (food, clothing, activities) are paid in your household.
- Maintain an unbroken custody calendar.
- Log school morning drop-offs.
Washington Custody Overnights FAQ
Is a parenting time credit mandatory in Washington State?
No. Under RCW 26.19.075, the residential credit is discretionary with the court. The judge will not grant a deviation if doing so leaves insufficient funds in the primary home.
What overnights typically qualify for a deviation in Washington?
Courts typically consider deviations when a parent exercises at least 92 overnights (25%), with substantial credits considered for 50/50 arrangements (182.5 overnights).
Data sources & methodology
- Washington Statutory AuthorityRCW 26.19.075(1)(d) — Official state guideline schedule and parenting time rules.
- NCSL Custody GuidelinesNational Conference of State Legislatures — Shared Physical Custody and Parenting Time Models.
- Washington Family Court RulesLocal standard possession schedules, overnight definitions, and administrative calculation forms.
Methodology and citations are maintained by the ChildSupportFig editorial team. Where an official guideline schedule is not yet loaded, results are shown as model estimates and the source is stated as a reference schedule.