Missouri Weatherization Assistance Program (WAP)

Missouri Department of Economic Development

Available Weatherization

About This Program

Missouri Weatherization Assistance Program (WAP) is available to homeowners and renters in St. Charles, MO.

Federally-funded program that provides free energy efficiency upgrades to income-eligible Missouri households. Services include insulation, air sealing, heating system repair/replacement, and window upgrades to reduce energy costs.

Average weatherization package value based on household needs assessment

Official source site checked live on 2026-06-22.

Data last verified 2026-06-09. How we verify our data.

In St. Charles, MO, you can combine this program with other local help to cut your cost:

Key Details

  • Free energy efficiency upgrades
  • Income at or below 200% of federal poverty level
  • Includes insulation, air sealing, HVAC tune-up
  • Priority for seniors, disabled, and families with children
  • No repayment required

How to Apply

Get free help applying Visit Official Program Page Track this program

(573) 751-3332

A grant-savvy contractor in St. Charles, MO can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

You will likely need a contractor to apply

Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in St. Charles early keeps your application moving.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Your application paperwork

Documents you will likely need

  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • Household income proof (recent pay stubs, last year's tax return, or benefit award letters for everyone in the home).
  • Proof of age (driver's license or birth certificate) if the program is age-based.
  • Documentation of disability (award letter or a physician's statement) if the program is disability-based.
  • A written estimate from a licensed contractor for the work (many programs require this to apply).
  • A recent utility bill for the home (energy and weatherization programs use it to confirm service and usage).
  • Photos of the problem area or the work to be done.
  • The program's own application form, completed (use the official link or phone number on this page).
Download this checklist (PDF)

Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Rolling applications, subject to funding availability

Questions about this program?

Ask us. It is free, and a real person answers within a business day.

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Frequently asked questions

How much can Missouri Weatherization Assistance Program (WAP) provide in St. Charles, MO?

Up to $8,500 in weatherization services.

Who qualifies for Missouri Weatherization Assistance Program (WAP) in St. Charles?

Missouri Weatherization Assistance Program (WAP) is open to homeowners and renters in St. Charles, MO. It prioritizes low-income households. It serves seniors.

How do I apply for Missouri Weatherization Assistance Program (WAP) in St. Charles, MO?

Apply directly with Missouri Department of Economic Development using the official program link on this page or call (573) 751-3332. There is no middleman and no fee.

Need a Contractor for This Grant?

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