Help paying for radon mitigation

Most help is a home repair loan or grant that counts radon mitigation among the work it pays for. Of the programs below, only Colorado's is just for radon.

Start here

Test first, and keep the result. EPA: "Fix your home if your radon level is 4 picocuries per liter (pCi/L) or higher."¹ Colorado's program asks for a result above 4 pCi/L from the past year, from an approved test kit. Find a test kit.
Look for your state below, then ask your city or county housing office. Minnesota's health department says local housing agencies "may have funds available for low interest loans or grants for home improvements."
Programs run out of money and change their rules. Check the official page before you apply or hire anyone.

State programs

Colorado

Low Income Radon Mitigation Assistance (LIRMA)

Colorado Department of Public Health and Environment

Pays: Up to $7,000 per application for a radon mitigation system. The program pays the contractor after a follow-up test shows the level below 4 pCi/L.
Who it is for: Colorado homeowners who live in the home, with income at or below the program's limit for their county and a radon test result above 4 pCi/L from the past year. The test must come from an approved test kit; results from consumer-grade radon monitors are not accepted. Rentals, homes listed for sale, and homes that already have a mitigation system are not eligible.
How to start: Apply online with the test result, proof of ownership, and income records. CDPHE sends approved applications to the contractors on its list for bids and assigns the job. Funding is limited, and applications are funded in the order received.
Checked: October 4, 2026

In CDPHE LIRMA procedures, revised July 1, 2026: "Program assistance is capped at $7,000 per application unless approved for additional funds by program management."

Official page

Idaho

Financial Help for Radon Mitigation

Idaho Department of Health and Welfare

Pays: No amounts on the page. It lists federal programs to ask about: HUD Community Development Block Grants, HUD 203(k) rehab loans, EPA environmental justice grants, and USDA home repair loans and grants.
Who it is for: The page names limited-income homeowners. Each program it lists sets its own rules.
How to start: Contact the programs the page lists. It gives a phone number for three of them.
Checked: October 4, 2026

On the official page: "You may qualify for financial assistance if you're a limited income homeowner."

Official page

Minnesota

Listed on Minnesota Department of Health, Financial Assistance for Radon:

Rehabilitation Loan Program and Emergency & Accessibility Loan Program

Minnesota Housing

Pays: A loan of up to $37,500, forgiven if you keep the home and live in it for the loan term (up to 15 years). Radon mitigation is on its list of eligible home improvements.
Who it is for: Low-income Minnesota homeowners who live in the home, have assets of $25,000 or less, and are current on property taxes and mortgage payments.
How to start: Work with a participating Rehab Loan Lender.
Checked: October 4, 2026

On the official page: "Loans are forgiven if you do not sell, transfer title, or cease to occupy the property during the loan term."

Official page

Fix Up Home Improvement Loan Program

Minnesota Housing

Pays: Loans from $2,000 to $75,000 at a fixed interest rate, for 1 to 20 years. "Mold and radon mitigation" is on its list of eligible projects.
Who it is for: Homeowners who live in the home for the loan term and meet the income limit and a minimum credit score.
How to start: Apply through a Minnesota Housing participating lender. The Minnesota Department of Health notes that a mitigation system below the loan minimum can be paired with other home improvements.
Checked: October 4, 2026

On the official page: "Loan amounts from $2,000 to $75,000"

Official page

Vermont

NeighborWorks and USDA Section 504 home repair help

Vermont Department of Health, Healthy Homes

Pays: The page lists two sources of low-cost loans and grants for home repairs and says they help fund repairs "including radon mitigation." It gives no amounts.
Who it is for: NeighborWorks: homeowners who live in the home, with household income under 80% of the area median, through five regional NeighborWorks organizations (Burlington properties are not eligible). USDA Section 504 in Vermont: income under 50% of the area median, in an eligible area; grants only for applicants 62 or older who cannot repay a loan.
How to start: Contact the NeighborWorks organization that serves your county; the page lists all five and the counties each one serves.
Checked: October 4, 2026

On the official page: "The following organizations offer help with funding repairs for a healthy home, including radon mitigation, getting rid of mold, lead testing and remediation, and repairing or constructing a water system."

Official page

Use your own HSA, FSA, or HRA

This is your own pre-tax money, not a grant. Two state health departments say these accounts can pay for a radon fix when a medical professional recommends it because radon is causing a medical condition, with a Letter of Medical Necessity. Check with your plan before you pay.

North Carolina: Radon mitigation with an HSA, FSA, or HRA

North Carolina Department of Health and Human Services, North Carolina Radon Program

Pays: Your own health account money, not a grant. NCDHHS says mitigation is eligible for reimbursement from a flexible spending account, health savings account, or health reimbursement arrangement when a medical professional recommends it because radon in the home is causing a medical condition.
Who it is for: Anyone with one of those accounts and a Letter of Medical Necessity. NCDHHS says a limited-purpose FSA or a dependent care FSA does not qualify.
How to start: Get a Letter of Medical Necessity from a medical professional, and check with your plan before you pay. The page says: "Check your FSA eligibility."
Checked: October 4, 2026

On the official page: "If a medical professional recommends radon mitigation due to it causing a medical condition from being in a home, the cost of mitigation is eligible with a Letter of Medical Necessity and eligible for reimbursement with a flexible spending account, health savings account or a health reimbursement arrangement."

Official page

Vermont: Radon fixes with an FSA, HSA, or HRA

Vermont Department of Health, Healthy Homes

Pays: Your own health account money, not a grant. The Vermont Department of Health says you may be able to use it to fix radon, lead, or mold.
Who it is for: People with one of those accounts, when a medical professional recommends fixing the problem because it is causing a medical condition.
How to start: Get a Letter of Medical Necessity, and check with your plan before you pay.
Checked: October 4, 2026

On the official page: "You may be able to use funds from a flexible spending account (FSA), health savings account (HSA) or a health reimbursement arrangement (HRA)"

Official page

Federal home repair programs

The Colorado, Idaho, Minnesota, and Vermont pages above point to these federal programs. None is just for radon. The state pages list them as ways to pay for repairs that can include it, and each has its own rules.

Section 504 Home Repair loans and grants

U.S. Department of Agriculture, Rural Development

Pays: Loans up to $40,000, fixed at 1% for 20 years. Grants up to $10,000 for owners 62 or older with very low income; grants "must be used to remove health and safety hazards."
Who it is for: Homeowners who live in the house, are "unable to obtain affordable credit elsewhere," and meet the income limit for their county, in a rural area. USDA's eligibility site checks an address.
How to start: Apply year round through your local USDA Rural Development office.
Checked: October 2, 2026

On the official page: "Also known as the Section 504 Home Repair program, this provides loans to low and very-low-income homeowners to repair, improve or modernize their homes or grants to elderly very-low income homeowners to remove health and safety hazards."

Official page

Community Development Block Grant (CDBG)

U.S. Department of Housing and Urban Development

Pays: Yearly grants to states, cities, and counties, which decide what they fund. Eligible uses include "Rehabilitation of residential and non-residential structures."
Who it is for: Rules differ from one city or county to the next. At least 70% of the money must go to activities that benefit people with low and moderate income.
How to start: Ask your city or county how the program works where you live. HUD does not give CDBG money to individuals directly.
Checked: October 4, 2026

On the official page: "If you are interested in participating in this program, you need to contact your local municipal or county officials to find out how the program operates in your area."

Official page

Section 203(k) rehabilitation mortgage

U.S. Department of Housing and Urban Development, FHA

Pays: A mortgage, not a grant: FHA insures one loan that covers buying or refinancing a home and fixing it up. The Limited 203(k) lets you finance up to $75,000 of repairs into the mortgage.
Who it is for: Homebuyers and homeowners buying or refinancing a home that is at least a year old.
How to start: Ask an FHA-approved lender about a 203(k) loan.
Checked: October 4, 2026

On the official page: "Section 203(k) insures mortgages covering the purchase or refinancing and rehabilitation of a home that is at least a year old."

More details: HUD, 203(k) program types.

Official page

USDA's page blocks automated readers. Its facts here are from the page as read in a browser on October 2, 2026, when it listed the application window as open.

What is not available

EPA: "By law, these State Indoor Radon Grant (SIRG) funds are not available to individuals or homeowners."² That is why help, where it exists, comes through your state or local housing program.

Next steps

Find a test kit near you
What your result means: EPA's next step for your number
Every state page has a "More help" section with other official links. Pick your state.

Official pages checked October 4, 2026, except USDA's (October 2, 2026). Programs run out of money and close. Check the official page before you apply.

EPA, A Citizen's Guide to Radon (PDF), page 2, checked October 4, 2026
EPA, State and Tribal Indoor Radon Grants (SIRG) Program and Resources, checked October 4, 2026

Health facts on this page come from the agencies linked here. About this directory.