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Homeβ€ΊIllinoisβ€ΊSangamonβ€ΊWeatherization Assistanceβ€ΊWilliamsville
UTILITY β€” IL

🏚️ Weatherization Assistance in Williamsville, Sangamon, Illinois β€” 2026

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

Avg $6,500 upgradesMax Benefit
1-877-337-3463Helpline
ILState
200% FPLFPL Threshold
πŸ“Š 2026 Income Limits β€” Williamsville, Illinois
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.

πŸ“ How to Apply β€” Williamsville, Illinois
1
Check Eligibility
Income at or below 200% FPL. Family of 4 in Williamsville: $3,482/month in 2026.
2
Apply Online β€” Fastest
Visit www.energy.gov/eere/wap/contacts β€” available 24/7.
3
Apply by Phone β€” 1-877-337-3463
Call Mon–Fri business hours for Williamsville residents.
4
Apply In-Person β€” Sangamon Office
Visit offices near Williamsville. Walk-ins accepted.
πŸ“‹ Documents Required β€” Williamsville
  • Proof of income
  • Home ownership or landlord permission
  • Utility bills
❓ FAQs β€” Weatherization Assistance in Williamsville
Who qualifies for Weatherization Assistance in Williamsville, Illinois?
Residents of Williamsville, Sangamon, Illinois with income at or below 200% FPL. Family of 4: $3,482/month. Call 1-877-337-3463.
How to apply for Weatherization Assistance in Williamsville?
Apply online at www.energy.gov/eere/wap/contacts, call 1-877-337-3463, or visit Sangamon office.
Is there a Weatherization Assistance office in Williamsville?
The nearest office is in Sangamon. Visit office locator for exact address and hours.
πŸ”” Illinois Alerts 2026
Free alerts when Weatherization Assistance changes in Illinois.