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👨‍👩‍👧 Child Tax Credit in Mercer Island, King County, Washington — 2026

Eligibility, income limits, local offices and how to apply for Mercer Island residents

Up to $2,000 per childMax Benefit
1-800-829-1040Helpline
WAState
Phase out above $200kFPL Threshold
📊 2026 Income Limits — Mercer Island, Washington
Household SizeMonthly LimitAnnual Limit
1 person$1,632/mo$19,578/yr
2 people$2,215/mo$26,572/yr
3 people$2,798/mo$33,566/yr
4 people ← typical$3,482/mo$41,782/yr
5 people$4,065/mo$48,778/yr
6 people$4,648/mo$55,774/yr
7 people$5,231/mo$62,770/yr
8 people$5,814/mo$69,766/yr

Source: HHS Federal Poverty Guidelines 2026. Effective January 2026.

📝 How to Apply — Mercer Island, Washington
1
Check Eligibility
Income at or below Phase out above $200k. Family of 4 in Mercer Island: $3,482/month in 2026.
2
Apply Online — Fastest
Visit www.irs.gov/credits-deductions/individuals/child-tax-credit — available 24/7.
3
Apply by Phone — 1-800-829-1040
Call Mon–Fri business hours for Mercer Island residents.
4
Apply In-Person — King County Office
Visit offices near Mercer Island. Walk-ins accepted.
📋 Documents Required — Mercer Island
  • Child Social Security numbers
  • Proof of relationship
  • Tax return Form 1040
❓ FAQs — Child Tax Credit in Mercer Island
Who qualifies for Child Tax Credit in Mercer Island, Washington?
Residents of Mercer Island, King County, Washington with income at or below Phase out above $200k. Family of 4: $3,482/month. Call 1-800-829-1040.
How to apply for Child Tax Credit in Mercer Island?
Apply online at www.irs.gov/credits-deductions/individuals/child-tax-credit, call 1-800-829-1040, or visit King County office.
Is there a Child Tax Credit office in Mercer Island?
The nearest office is in King County. Visit office locator for exact address and hours.
🔗 Other Benefits in Mercer Island, Washington
🍎 SNAP Benefits🏥 Medicaid🏠 Section 8 Housing🍼 WIC Program⚡ LIHEAP Energy Help💵 TANF Cash Assistance🧓 SSI Benefits♿ SSDI Benefits
🚀 Apply for Child Tax Credit
Apply Online — Official ↗ 📞 Call 1-800-829-1040 ← Back to King County
🔔 Washington Alerts 2026
Free alerts when Child Tax Credit changes in Washington.
📌 All Benefits in Mercer Island
🍎 SNAP Benefits🏥 Medicaid🏠 Section 8 Housing🍼 WIC Program⚡ LIHEAP Energy Help💵 TANF Cash Assistance🧓 SSI Benefits♿ SSDI Benefits👶 CHIP Health Insurance🏦 Local Food Banks