Does New Jersey give free radon test kits?

Not statewide. NJDEP does not run a kit program. Check your local health department or buy a New Jersey certified kit.

Do radon mitigators need a license in New Jersey?

Yes. Mitigators must hold DEP certification before testing for or fixing radon in New Jersey homes.

Radon Test Kits in New Jersey

Kansas State mail-in short-term kit for New Jersey homes. No statewide free program.

We checked this on October 1, 2026. Confirm the official page before you travel. Prices and stock change.

Where to get a kit

Kansas State University mail-in kit: $20

Mail-in lab kit, lab fee included. Mail it back within 10 days.

Or call 1-800-767-7236.

Order the kit

Checked October 1, 2026Official page Report a change

One test, or keep watching

One test: $20

Kansas State University mail-in lab kit, 2 to 4 days, all costs included. Good for a first look. One test is a snapshot, not a pattern.

Checked October 1, 2026.

Keep watching: Airthings Corentium Home 2, $179.99

New readings every day for as long as you own it. Good if you want to know, not guess. Price checked October 1, 2026.

See the Corentium Home 2

If you buy through our Airthings link, we may earn a commission. You don't pay extra. Add your name and shipping, then enter ARS10-10OFF. The link does not apply the code by itself.