MA

Radon Test Kits in Middlesex County, MA

No county kit counter. The state points to Kansas State University's $20 mail-in kit. One and two family homes built here after January 2, 2015 must have a passive radon system, but builders do not test. Test anyway.

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

Where to get a kit

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.

Checked October 1, 2026Official pageReport a change

Nearby cities

  • Cambridge is in Middlesex County. The options above cover you.

Ask your health department for kits

Middlesex County has no kit program right now. If you want one, these are the offices to ask.

Health department
Massachusetts Department of Public Health Radon Unit, 800-723-6695
Town boards of health
Public health is run by each town's board of health in Middlesex County. Source

Checked October 1, 2026.

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.

EPA radon zone

EPA classifies Middlesex County as Zone 1 (highest radon potential). Only a test tells you your home's level.

Next steps

How to test
What my result means

Cities that share this program