MA · Middlesex County
Radon Test Kits in Cambridge, MA
Cambridge does not have a city kit price in this directory. Middlesex County is EPA Zone 1. Massachusetts DPH says it no longer gives free kits to the general public and that discounted kits come from Kansas State University. That short-term kit is $20. The American Lung Association store is the other national option, with a long-term kit at $38 including shipping.
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.
American Lung Association radon test kit store: $18
Short-term kit $18, long-term $38. Not sold in New Jersey.
Massachusetts radon testing guidance
Massachusetts DPH says it no longer offers free radon kits to the general public and points you to discounted kits from Kansas State University.
Buy the Kansas State University short-term kit, or buy a short-term kit online or at a hardware store.
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.
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.