Home Improvement Grants in O'Fallon.

Find grants, rebates, forgivable loans, and free programs for O'Fallon, MO, filtered to your situation.

As of June 2026, 26 home improvement grant, rebate, and forgivable loan programs are open to homeowners in O'Fallon, MO, with individual awards up to $126,526. 7 programs target seniors, 2 serve veterans, and 11 require no income limit.

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

Types of help in this city

Funding typeProgramsRepaid?Best for
Grants19Never repaidIncome-qualified homeowners
Forgivable loans1Forgiven after a residency periodLarger repairs with no money down
Rebates4Refunded to you after purchaseEnergy-efficiency upgrades

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Showing 26 programs
Varies, no individual cap; projects typically $10K-$200K+

FEMA Hazard Mitigation Grant Program (HMGP)

HMGP provides funding after a presidentially declared disaster to help communities reduce future disaster losses. Homeow...

Disaster
Up to $30,000

FEMA Increased Cost of Compliance (ICC) Coverage

ICC coverage is built into every National Flood Insurance Program (NFIP) policy and pays up to $30,000 to help bring a s...

Disaster
Varies by jurisdiction, typically $5,000-$15,000 per unit

HUD Lead Hazard Control & Healthy Homes

HUD funds state, county, and city governments to identify and fix lead-based paint hazards and other health hazards (mol...

Seniors & Disability
Varies, full line replacement cost covered in many programs

EPA / WIIN Act Lead Service Line Replacement

EPA's WIIN Act grants and the Drinking Water State Revolving Fund (DWSRF) fund lead service line replacement programs in...

Seniors & Disability
Up to $8,000 per household

Missouri Weatherization Assistance Program (WAP)

Federally funded program that reduces energy costs by improving home energy efficiency for income-qualified Missouri hou...

Weatherization
Up to $35,000 loan

MHDC Single Family Rehabilitation Program

Low-interest rehabilitation loans for owner-occupied single-family homes in Missouri. Funds can be used for health, safe...

Home Repair
Forgivable loan up to $30,000

St. Charles County Owner-Occupied Rehabilitation Program

Provides rehabilitation assistance for owner-occupied homes in St. Charles County with incomes at or below 80% AMI. Loan...

Home Repair
Up to $10,000 grant

St. Charles County Emergency Home Repair Program

Emergency repair grants for owner-occupied households in St. Charles County with incomes at or below 50% AMI. Addresses ...

Emergency
Up to $3,350 in rebates

Ameren Missouri Home Energy Rebate Program

Ameren Missouri customers can receive rebates for energy-efficient home improvements including insulation, air sealing, ...

Energy
Up to $1,150 rebate

Ameren Missouri HVAC Efficiency Rebate

Rebates for qualifying high-efficiency central air conditioners, heat pumps, and furnaces installed in Ameren Missouri s...

Energy
Up to $100 rebate

Ameren Missouri Smart Thermostat Rebate

Rebate for qualifying smart thermostats that help manage home energy use. Must be enrolled in Ameren's smart thermostat ...

Energy
Market-rate SREC payments

Ameren Missouri Solar Renewable Energy Credits

Ameren Missouri purchases Solar Renewable Energy Credits (SRECs) from residential solar system owners. Homeowners receiv...

Solar/Renewable
Up to $1,200 in rebates

Spire Missouri Natural Gas Efficiency Rebates

Rebates for natural gas customers who install high-efficiency furnaces, boilers, water heaters, and other gas equipment....

Energy
Free lead hazard removal

Missouri Childhood Lead Poisoning Prevention Program

Free lead hazard assessment and abatement for Missouri homes built before 1978 where a child under age 6 resides or visi...

Home Repair
Up to $10,000 grant (age 62+) and $40,000 loan, $50,000 combined

USDA Section 504 Home Repair Program

Low-interest loans and grants to very-low-income homeowners in eligible rural areas to repair, improve, or modernize hom...

Home Repair
Up to $126,526 (SAH) or $25,350 (SHA), FY2026

VA Specially Adapted Housing (SAH) Grant

Helps veterans with certain service-connected disabilities purchase or modify a home to meet their accessibility needs. ...

Veterans
Up to $25,350 (SHA), FY2026

VA Special Housing Adaptation (SHA) Grant

Helps veterans with certain service-connected disabilities adapt a home to meet accessibility needs. Eligible disabiliti...

Veterans
Up to $20,000 grant

St. Charles County Accessibility Modification Program

Provides accessibility modifications for owner-occupied homes where a resident has a disability. Includes ramps, grab ba...

Seniors & Disability
Up to $5,000 grant

City of O'Fallon Stormwater Infrastructure Grant

Cost-sharing program for homeowners to address stormwater drainage problems on private property that impact public infra...

Home Repair
Up to $7,500 grant

St. Charles County Sewer Lateral Repair Program

Assists income-qualified homeowners with repair or replacement of damaged sewer lateral lines connecting the home to the...

Home Repair
Freezes property tax increases

Missouri Senior Property Tax Freeze Credit

Missouri residents age 62+ with household income below $30,000 (or $34,000 if married) can freeze their property tax ass...

Property Tax Relief
Up to $1,100 tax credit

Missouri Property Tax Credit (Circuit Breaker)

Refundable tax credit for Missouri seniors age 65+ and residents with disabilities age 18-64 who pay property tax or ren...

Property Tax Relief
Up to $15,000 grant

Missouri Emergency Home Repair Program (Disaster)

Activated after major disasters to help Missouri homeowners repair damage not covered by insurance or FEMA. Program avai...

Disaster
Varies by project, up to $50,000

Missouri HOME Investment Partnerships Program

Federal HOME funds distributed by MHDC for owner-occupied rehabilitation and accessibility modifications. Program is typ...

Home Repair
Free weatherization services

Ameren Missouri Income-Qualified Weatherization

Free comprehensive weatherization services for income-qualified Ameren Missouri customers. Includes energy assessment, a...

Weatherization
$50 per qualifying appliance

Ameren Missouri Appliance Recycling Program

Ameren Missouri pays customers $50 to recycle working refrigerators or freezers. Free pick-up and environmentally respon...

Energy

Stack programs to maximize your savings

Many of these programs can be combined. For example, you can use a city repair grant for the work, a utility rebate for the energy savings, and a federal tax credit on top, all for the same project.

Stack your funding

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Grant-Approved Contractors in O'Fallon

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Frequently asked questions

What home improvement grants are available in O'Fallon, MO?

26 programs are currently listed for O'Fallon, including FEMA Hazard Mitigation Grant Program (HMGP), FEMA Increased Cost of Compliance (ICC) Coverage, HUD Lead Hazard Control & Healthy Homes.

Do home improvement grants in O'Fallon have to be repaid?

Grants do not have to be repaid. Forgivable loans are forgiven over a residency period, and rebates refund your money after the purchase. In O'Fallon, 19 programs do not require repayment, 1 is forgivable loan, and 4 are rebates.

How do I apply for home repair grants in O'Fallon?

Every program listing carries the official application link and phone number for the administering agency. Homeowners apply directly with that agency; there is no middleman and no fee.