Anywhere in the US
National Radon Program Services at Kansas State University runs under a cooperative agreement with EPA. As of November 2026 its short-term kits cost $20 and its long-term kits $30, including the lab analysis and return postage (sosradon.org). You can also order by phone at 1-800-SOS-RADON (767-7236).
In other states, your state radon program can tell you whether it offers kits.
Colorado
- Free test kits from CDPHE Free One kit per household per year, while supplies last. If none are left, your local public health agency may have free kits.
Iowa
- Free test kits from Iowa HHS and the American Lung Association Free For Iowa residents, one kit per household while supplies last. Which order form you use depends on your county; Iowa HHS lists them.
- Iowa Radon Hotline Low cost Order low-cost test kits and ask radon questions, 8:30 am to 4:30 pm Central. Phone: 800-383-5992
Michigan
- Air Chek Michigan test kits $12.95 EGLE links to this online store from its test kit page. Short-term kits; a long-term kit is also offered.
Local test kit locations by county
| County | Where | Phone | Cost |
|---|---|---|---|
| Alcona County | District Health Department #2, Courthouse Annex, Harrisville | 989-724-6757 Ext. 1600 | Call for cost |
| Alger County | Luce, Mackinac, Alger, and Schoolcraft District Health Department, Munising | 906-387-2297 Ext. 401 | Call for cost |
| Allegan County | Allegan County Health Department | 269-673-5411 | Call for cost |
| Alpena County | Dist. Health Department #4, Alpena | 989-356-4507 | Call for cost |
| Antrim County | Health Department of Northwest Michigan, Bellaire | 231-533-8670 | Call for cost |
| Arenac County | Central MI Dist. Health Department, Standish | 989-846-6541 | Call for cost |
| Baraga County | Western U.P. Health Department, L'Anse | 906-524-6142 | Call for cost |
| Barry County | Barry-Eaton District Health Department, Hastings | 269-945-9516 | Call for cost |
| Bay County | Bay County Environmental Health Division, Bay City | 989-895-4009 | Call for cost |
| Benzie County | Benzie-Leelanau Dist. Health Department, Benzonia | 231-882-4409 | Call for cost |
| Berrien County | Berrien County Health Department, Benton Harbor | 269-927-5623 | Call for cost |
| Berrien County | Berrien County Health Department, Niles | 269-684-2800 | Call for cost |
| Berrien County | Berrien County Health Department, Three Oaks | 269-756-2008 | Call for cost |
| Branch County | Branch, Hillsdale, and St. Joseph County Community Health Agency, Coldwater | 517-279-9561 Ext.106 | Call for cost |
| Calhoun County | Calhoun County Health Department, Battle Creek | 269-969-6370 | Call for cost |
| Cass County | Cass County Health Department, Cassopolis | 269-445-5280 | Call for cost |
| Charlevoix County | Health Department of Northwest Michigan, Charlevoix | 800-432-4121 | Call for cost |
| Cheboygan County | District Health Department #4, Cheboygan | 231-627-8850 | Call for cost |
| Chippewa County | Chippewa County Health Department, Sault Ste. Marie | 906-635-1566 | Call for cost |
| Clare County | Central Michigan District Health Department, Harrison | 989-539-6731 | Call for cost |
| Clinton County | Mid-Michigan District Health Department, St. Johns | 989-224-2195 | Call for cost |
| Crawford County | District Health Department #10, Grayling | 989-348-7800 | Call for cost |
| Delta County | Delta and Menominee Public Health Department, Escanaba | 906-786-4111 | Call for cost |
| Dickinson County | Dickinson and Iron District Health Department, Kingsford | 906-774-1868 | Call for cost |
| Eaton County | Barry-Eaton District Health Department, Charlotte | 517-543-2430 | Call for cost |
| Emmet County | Health Department of Northwest Michigan, Harbor Springs | 800-432-4121 | Call for cost |
| Genesee County | Genesee County Health Department, Flint | 810-257-3603 | Call for cost |
| Gladwin County | Central Michigan District Health Department, Gladwin | 989-426-9431 | Call for cost |
| Gogebic County | Western Upper Peninsula Health Department, Bessemer | 906-667-0263 | Call for cost |
| Grand Traverse County | Grand Traverse County Health Department, Traverse City | 231-995-6051 | Call for cost |
| Gratiot County | Mid-Michigan District Health Department, Ithaca | 989-875-3681 | Call for cost |
| Hillsdale County | Branch, Hillsdale, and St. Joseph County Community Health Agency | 517-437-7395 Ext. 311 | Call for cost |
| Hillsdale County | Hillsdale County MSU Extension | 517-439-9301 | Call for cost |
| Houghton County | Western Upper Peninsula Health Department, Hancock | 906-482-7382 | Call for cost |
| Huron County | Huron County Health Department, Bad Axe | 989-269-9721 | Call for cost |
| Ingham County | Ingham County Health Department, Lansing | 517-887-4312 | Call for cost |
| Ionia County | Ionia County Health Department | 616-527-5341 | Call for cost |
| Iosco County | Iosco District Health Department #2, Tawas City | 989-362-6183 Ext. 1500 | Call for cost |
| Iron County | Dickinson and Iron District Health Department, Crystal Falls | 906-265-9913 | Call for cost |
| Isabella County | Central MI Dist. Health Department, Mt. Pleasant | 989-773-5921 | Call for cost |
| Jackson County | Jackson County Health Department | 517-788-4420 | Call for cost |
| Kalamazoo County | Kalamazoo County Health & Community Services Department | 269-373-5210 | Call for cost |
| Kalkaska County | Kalkaska District Health Department #10 | 231-258-8669 | Call for cost |
| Kent County | Kent County Health Department, Grand Rapids | 616-632-6900 | Call for cost |
| Kent County | Healthy Homes Coalition of West Michigan, Grand Rapids | 616-241-3300 | Call for cost |
| Keweenaw County | Western Upper Peninsula Health Department, Hancock | 906-482-7382 | Call for cost |
| Lake County | District Health Department #10, Baldwin | 231-745-4663 | Call for cost |
| Lapeer County | Lapeer County Health Department | 810-667-0448 | Call for cost |
| Leelanau County | Benzie and Leelanau District Health Department, Lake Leelanau | — | Call for cost |
| Lenawee County | Lenawee County Health Department, Adrian | 517-264-5214 | Call for cost |
| Livingston County | Livingston County Dept of Public Health, Howell | 517-546-9858 | Call for cost |
| Luce County | Luce, Mackinac, Alger, and Schoolcraft District Health Department, Newberry | 906-293-1303 | Call for cost |
| Mackinac County | Luce, Mackinac, Alger, and Schoolcraft District Health Department, St. Ignace | 906-643-1100 Ext. 233 | Call for cost |
| Macomb County | Macomb County Health Department, Mt. Clemens | 586-469-5236 | Call for cost |
| Manistee County | District Health Department #10, Manistee | 231-723-3595 | Call for cost |
| Marquette County | Marquette County Health Department, Negaunee | 906-475-4195 | Call for cost |
| Mason County | Dist. Health Department #10, Ludington | 231-845-7381 | Call for cost |
| Mecosta County | District Health Department #10, Big Rapids | 231-592-0130 | Call for cost |
| Menominee County | Delta & Menominee Counties Public Health Department | 906-863-4451 | Call for cost |
| Midland County | Midland County Health Department | 989-832-6380 | Call for cost |
| Missaukee County | Dist. Health Department #10, Lake City | 231-839-7167 | Call for cost |
| Monroe County | Monroe County Health Department | 734-240-7900 | Call for cost |
| Montcalm County | Mid-Michigan Dist. Health Department, Stanton | 989-831-5237 | Call for cost |
| Montmorency County | District. Health Department #4, Atlanta | 989-785-4428 | Call for cost |
| Muskegon County | Muskegon County Public Health Department | 231-724-6208 | Call for cost |
| Newaygo County | Dist. Health Department #10, White Cloud | 231-689-7300 | Call for cost |
| Oakland County | Oakland County Health Division, Pontiac | 248-858-1312 | Call for cost |
| Oakland County | Oakland Health Center, Southfield | 248-424-7192 | Call for cost |
| Oceana County | Dist. Health Department #10, Hart | 231-873-2193 | Call for cost |
| Ogemaw County | Dist. Health Department #2, West Branch | 989-343-1899 | Call for cost |
| Ontonagon County | Western Upper Peninsula Health Department, Ontonagon | 906-884-4485 | Call for cost |
| Osceola County | Central MI Dist. Health Department, Reed City | 231-832-5532 | Call for cost |
| Oscoda County | Dist. Health Department #2, Mio | 989-826-3970 Ext. 1700 | Call for cost |
| Otsego County | Health Department of Northwest Michigan, Gaylord | 989-732-1794 | Call for cost |
| Ottawa County | Ottawa County Health Department, Holland | 616-393-5645 | Call for cost |
| Presque Isle County | District Health Department #4, Rogers City | 989-734-4723 | Call for cost |
| Roscommon County | Central MI District Health Department, Prudenville | 989-366-9166 | Call for cost |
| Saginaw County | Saginaw County Department of Public Health | 989-758-3686 | Call for cost |
| Sanilac County | Sanilac County Health Department, Sandusky | 810-648-4098 Ext. 124 | Call for cost |
| Schoolcraft County | Luce, Mackinac, Alger, and Schoolcraft District Health Department, Manistique | 906-341-6951 Ext.110 | Call for cost |
| Shiawassee County | Shiawassee County Health Department, Corunna | 989-743-2390 | Call for cost |
| St. Clair County | St. Clair County Health Department, Port Huron | 810-987-5306 | Call for cost |
| St. Joseph County | Branch, Hillsdale, and St. Joseph County Community Health Agency, Three Rivers | 269-273-2161 Ext. 233 | Call for cost |
| St. Joseph County | St. Joseph County MSU Extension, Centreville | 269-467-5511 | Call for cost |
| Tuscola County | Tuscola County Health Department, Caro | 989-673-8119 | Call for cost |
| Van Buren County | Van Buren County Health Department, Hartford | 269-621-3143 | Call for cost |
| Washtenaw County | Washtenaw County Environmental Health Division, Ann Arbor | 734-222-3800 | Call for cost |
| Wayne County | Wayne County Department of Health, Veterans, and Community Wellness | 734-727-7400 | Call for cost |
| Wayne County | Detroit Health Department | 313-876-4000 | Call for cost |
| Wexford County | District Health Department #10, Cadillac | 231-775-9942 | Call for cost |
From the state's official list (source). Call ahead: availability and cost can change.
Minnesota
- Discounted test kits from MDH and Air Chek $12.95 For Minnesota residents. The price includes postage, lab analysis and a test report.
- Kits from local agencies Varies Some local agencies distribute test kits to their residents. See MDH's list of local radon contacts.
Pennsylvania
- Free confirmation test kit from DEP Free For Pennsylvanians whose screening test found more than 100 pCi/L. Phone: 800-237-2366
- Free long-term test kit after mitigation Free For homes with an active (fan-powered) mitigation system installed in the last year. Send DEP proof of installation and a post-mitigation result below 4 pCi/L; allow 6 to 8 weeks.
- Free test kit coupon for parents of newborns Free Hospitals give parents of newborns an information packet with a coupon for a free DEP test kit.
Washington
- Free test kits from the Department of Health Free Limited supply, so request one only if you're ready to test. Allow 8 to 10 weeks for delivery. Phone: 360-236-3246
Wisconsin
Local test kit locations by county
From the state's official list (source). Call ahead: availability and cost can change.
If no free kit is available
Low-cost lab kits are sold online and in hardware stores. We compare two lab-processed kits and the Airthings digital monitors on our radon test kits and monitors page. To use a kit correctly, follow our guide to testing for radon.
Check your county
See the share of radon tests at or above 4 pCi/L where you live, from state and CDC test records.
Where this comes from
Each program comes from its state radon program's own page, linked above, checked on November 4, 2026. Programs end or run out of kits, so check the program page before you order. We re-check every program at least once a year.