Do I need a certified radon professional in Massachusetts?

For real estate transactions, most states require a certified radon tester. For mitigation, look for NRPP or AARST-NRPP certified mitigators. Massachusetts may have its own state certification program as well.

Find Radon Testers in Massachusetts

Q: How often should I test for radon in Massachusetts?

The EPA recommends testing every two years in Massachusetts, and any time you move into a new home or do major renovations. If you have a mitigation system, test every two years to ensure it is working.

Certified radon testing and mitigation professionals across Massachusetts. Browse 20+ listed providers below.

Radon Risk Level

EPA data for this state

Zone 1 — High

Average indoor level4.7 pCi/L

0EPA action level: 4 pCi/L10+

High radon potential; granite-rich areas highest.

38% of homesin this state test above the EPA action level (4 pCi/L).

The EPA recommends all homes in high-radon states be tested regardless of construction type.

Browse by City in Massachusetts

Ward Hill

8 providers

Boston

4 providers

Haverhill

4 providers

Framingham

3 providers

West Boylston

3 providers

Wakefield

2 providers

Woburn

2 providers

Cambridge

2 providers

Fitchburg

2 providers

Watertown

2 providers

Worcester

2 providers

Lynnfield

2 providers

Sutton

2 providers

Salem

1 provider

East Walpole

1 provider

Indian Orchard

1 provider

Rehoboth

1 provider

Canton

1 provider

Lowell

1 provider

Saugus

1 provider

Mansfield

1 provider

Springfield

1 provider

Brewster

1 provider

Sunderland

1 provider

Clinton

1 provider

Agawam

1 provider

Assonet

1 provider

Beverly

1 provider

Charlton

1 provider

Dudley

1 provider

Hull

1 provider

Medford

1 provider

North Reading

1 provider

Raynham

1 provider

Somerset

1 provider

West Townsend

1 provider

Westfield

1 provider

Cheshire

1 provider

Attleboro

1 provider

Fall River

1 provider

Auburn

1 provider

Methuen

1 provider

Burlington

1 provider

Maynard

1 provider

Southampton

4.8(21)

Woburn, MA

Radon Testing

(781) 404-1339

VerifiedTester

AMY FALCONEIRI

5.0(2)

Cambridge, MA

Radon Testing

(508) 498-1531

VerifiedTester

ANDREW O DORNEY

No reviews yet

Wakefield, MA

Radon Testing

(781) 587-1845

VerifiedTester & Mitigator

ANDREW R BUDWAY

Clinton, MA

Radon Testing

(978) 831-7363

VerifiedTester

DAVID A ROONEY

No reviews yet

Lynnfield, MA

Radon Testing

(603) 505-5877

VerifiedTester & Mitigator

DAVID HILL

5.0(2)

Ward Hill, MA

Radon TestingMitigation

(800) 767-3703

Radon Testing in Massachusetts — FAQ

How often should I test for radon in Massachusetts?

The EPA recommends testing every two years in Massachusetts. Always test when moving into a new home, after renovations that affect lower levels, and after installing a mitigation system.

What is the EPA action level for radon?

The EPA recommends taking action to reduce radon if indoor levels reach 4 pCi/L or higher. Even levels between 2–4 pCi/L present risk, and mitigation is recommended where feasible.

Do I need a certified radon tester in Massachusetts?

For real estate transactions, most states require a certified tester. Look for NRPP or AARST-NRPP certification. Massachusetts may also have its own state program — check your state radon office for specific requirements.