CAASTLC Energy Services (LIHEAP + Weatherization)

Community Action Agency of St. Louis County

Available Energy Assistance

About This Program

CAASTLC Energy Services (LIHEAP + Weatherization) is available to homeowners and renters in St. Louis, MO.

CAASTLC is the one-stop agency for St. Louis County energy assistance and weatherization. Administers Missouri WAP (free insulation/air sealing/furnace), LIHEAP heating bill assistance, and Spire-funded weatherization. Serves both homeowners and renters (with owner approval). Income at or below 200% FPL.

St. Louis County, 200% FPL

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

Data last verified 2026-04-01. How we verify our data.

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

Key Details

  • St. Louis County one-stop energy agency
  • WAP: free insulation, sealing, furnace (200% FPL)
  • LIHEAP: heating bills Oct-Apr
  • 2709 Woodson Rd, Overland, MO 63114, call option 2

How to Apply

Get free help applying Visit Official Program Page Track this program

314-863-0015

A grant-savvy contractor in St. Louis, 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. Louis 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).
  • 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: Year-round for weatherization; Oct-Apr for LIHEAP

Questions about this program?

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

Email us about this program

Frequently asked questions

Who qualifies for CAASTLC Energy Services (LIHEAP + Weatherization) in St. Louis?

CAASTLC Energy Services (LIHEAP + Weatherization) is open to homeowners and renters in St. Louis, MO. It prioritizes low-income households.

How do I apply for CAASTLC Energy Services (LIHEAP + Weatherization) in St. Louis, MO?

Apply directly with Community Action Agency of St. Louis County using the official program link on this page or call 314-863-0015. There is no middleman and no fee. Deadline: Year-round for weatherization; Oct-Apr for LIHEAP.

Need a Contractor for This Grant?

Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.

Get matched with a pro, free Browse St. Louis, MO contractors

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