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Maine Radon Information

Maine Radon Program:

Radon Website: Website
Radon Contact: Robert Stilwell
Active Radon Program: Yes
Require License for Radon Professionals: Yes

Maine is the 39th most expansive in terms of size, and the 41st most populous.

Maine does have an active radon program, dedicated to educating citizens about the risks associated with the deadly gas. You can find more information on Radon, testing and mitigation at the official page.

The radon levels in Maine are above average in many areas of the state. As such, there’s an increased risk for all homeowners, which is why we recommend testing exposure levels at least twice a year.

Maine Radon Mitigation and Testing

Need your home tested for radon? Already know you have high levels and need a radon reduction system installed? Finding qualified Radon professionals can be difficult, but we've put together a list of Maine contractors to help you save time.

Maine Radon Mitigation

We have compiled a list of qualified radon mitigation contractors.
Find Radon Mitigation Contractors here

Maine Radon Testing

Need your home or office tested for Radon? We have compiled a list of qualified radon testing contractors.
Find Radon Testing Contractors here

Maine Radon Levels

Map of Maine Radon Levels

Zone 1 (1): Potential for radon levels above 4 pCi/L according to EPA
Zone 2 (2): Potential for radon levels between 2 pCi/L and 4 pCi/L according to the EPA
Zone 3 (3): Lowest EPA level with expected radon levels at or below 2 pCi/L
Disclaimer: It is strongly recommended that all households, schools and office spaces test radon levels individually. The EPA Radon Zone data is not an indicator of individual test results, but a guideline for strategic planning. Toxic radon levels can be found in all counties, regardless of their zone rating. While we make efforts to keep this information up to date, it is derived from third­party sources which may not be accurate or reflect the most current statistics.

Maine Radon Statistics

Maine has 16 counties and 12 (75%) have been assigned Zone 1 counties by the EPA. Zone 1 counties have the highest potential to have homes test higher than 4 pCi/L. Maine's state radon zone average is 1.25, which is the average of all county zone ratings the EPA has assigned the state, ranking it 8 among all states.

Maine Radon Contractor License Information

Does Maine require contractors to be licensed? Yes.

What are the licensing requirements? The requirements are as follows:

  1. Attend and complete an approved course.
  2. Take and pass the national certification examination from the NRPP or NRSB.
  3. Register with the Maine radon section.
  4. Maintain registration by renewing annually.

Maine Radon Real Estate Requirements

Does the state of Maine require radon testing for all real estate transactions? As of March 2014, rental properties must be tested for elevated radon levels by law. However, sellers are not required to test a home as part of a real estate transaction. They do have to disclose the potential of radon to the buyers.

Even though the state does not require testing, we certainly recommend you have one done before you purchase a home. If you decide to perform a test after and find elevated levels, there is no reason to panic. Radon mitigation is not expensive compared to the dangers, and a system can be implemented in a relatively short period of time.

Browse The National Radon Directory by City

Abbot
Acton
Addison
Albion
Alfred
Alna
Andover
Anson
Ashland
Athens
Auburn
Augusta
Aurora
Bailey Island
Baileyville
Bangor
Bar Harbor
Bass Harbor
Bath
Belfast
Belgrade
Belgrade Lakes
Benedicta
Bernard
Berwick
Bethel
Biddeford
Bingham
Birch Harbor
Blue Hill
Boothbay
Boothbay Harbor
Bowdoin
Bowdoinham
Bradford
Bradley
Bremen
Brewer
Bridgewater
Bridgton
Bristol
Brooklin
Brooks
Brooksville
Brookton
Brownfield
Brownville
Brunswick
Bryant Pond
Buckfield
Bucksport
Burlington
Burnham
Bustins Island
Buxton
Calais
Cambridge
Camden
Canaan
Canton
Cape Elizabeth
Cape Neddick
Caratunk
Caribou
Carmel
Casco
Castine
Chamberlain
Charleston
Chebeague Island
Cherryfield
Clayton Lake
Clinton
Columbia Falls
Corea
Corinna
Corinth
Cornish
Cumberland Center
Cumberland Foreside
Cushing
Cutler
Damariscotta
Danforth
Deer Isle
Denmark
Dennysville
Detroit
Dexter
Dixfield
Dixmont
Dover Foxcroft
Dresden
Dryden
Durham
Eagle Lake
East Andover
East Baldwin
East Boothbay
East Livermore
East Machias
East Millinocket
East Waterboro
Easton
Eastport
Eddington
Edgecomb
Eliot
Ellsworth
Etna
Eustis
Exeter
Fairfield
Falmouth
Farmingdale
Farmington
Fort Fairfield
Fort Kent
Frankfort
Franklin
Freedom
Freeport
Frenchville
Friendship
Fryeburg
Gardiner
Garland
Georgetown
Gorham
Gouldsboro
Grand Isle
Gray
Greenbush
Greene
Greenville
Greenville Junction
Greenwood
Guilford
Hallowell
Hampden
Hancock
Hanover
Harborside
Harmony
Harpswell
Harrington
Harrison
Hartland
Hebron
Hiram
Holden
Hollis Center
Hope
Houlton
Howland
Hudson
Island Falls
Isle Of Springs
Islesboro
Jackman
Jay
Jefferson
Jonesboro
Jonesport
Kenduskeag
Kennebunk
Kennebunkport
Kents Hill
Kingfield
Kingman
Kittery
Kittery Point
Lagrange
Lebanon
Lee
Leeds
Levant
Lewiston
Liberty
Limerick
Limestone
Limington
Lincoln
Lincolnville
Lisbon
Lisbon Falls
Litchfield
Little Deer Isle
Livermore
Livermore Falls
Long Island
Lovell
Lubec
Machias
Machiasport
Madawaska
Madison
Manchester
Mapleton
Mars Hill
Mattawamkeag
Mechanic Falls
Meddybemps
Medway
Mexico
Milbridge
Milford
Millinocket
Milo
Minot
Monmouth
Monroe
Monson
Monticello
Morrill
Mount Desert
Mount Vernon
Naples
New Gloucester
New Harbor
New Portland
New Sharon
New Sweden
New Vineyard
Newcastle
Newport
Newry
Nobleboro
Norridgewock
North Anson
North Berwick
North Haven
North Monmouth
North Vassalboro
North Waterboro
North Yarmouth
Norway
Oakfield
Oakland
Ogunquit
Old Orchard Beach
Old Town
Orient
Orland
Orono
Orrington
Orrs Island
Owls Head
Oxbow
Oxford
Palermo
Palmyra
Parsonsfield
Passadumkeag
Patten
Peaks Island
Pemaquid
Pembroke
Penobscot
Perham
Perry
Peru
Phillips
Phippsburg
Pittsfield
Plymouth
Poland
Portage
Porter
Portland
Pownal
Presque Isle
Princeton
Prospect Harbor
Randolph
Rangeley
Raymond
Readfield
Richmond
Robbinston
Rockland
Rockport
Rockwood
Round Pond
Roxbury
Rumford
Sabattus
Saco
Saint Agatha
Saint Albans
Saint David
Saint Francis
Sanford
Sangerville
Sargentville
Scarborough
Seal Cove
Searsmont
Searsport
Sebago
Sebago Lake
Sedgwick
Shapleigh
Sherman
Sinclair
Skowhegan
Smithfield
Smyrna Mills
Solon
Sorrento
South Berwick
South Bristol
South China
South Paris
South Portland
South Thomaston
Southport
Southwest Harbor
Springfield
Springvale
Spruce Head
Stacyville
Standish
Steep Falls
Stetson
Steuben
Stockholm
Stockton Springs
Stoneham
Stonington
Stratton
Strong
Sullivan
Sumner
Sunset
Surry
Swans Island
Temple
Tenants Harbor
Thomaston
Thorndike
Topsfield
Topsham
Trevett
Troy
Turner
Union
Unity
Van Buren
Vassalboro
Vienna
Vinalhaven
Waite
Waldoboro
Wallagrass
Walpole
Warren
Washburn
Washington
Waterboro
Waterford
Waterville
Wayne
Weld
Wells
Wesley
West Baldwin
West Enfield
West Forks
West Newfield
West Paris
Westbrook
Westfield
Whitefield
Whiting
Wilton
Windham
Windsor
Winn
Winter Harbor
Winterport
Winthrop
Wiscasset
Woolwich
Wytopitlock
Yarmouth
York