Get Radon Quotes Add or claim a listing

Certified radon mitigation contractors

Certified by the state to design and install radon reduction systems. 1036 listed so far.

368 locationsSource: state certification lists and the NRPP directory

Choose a location

Wisconsin 25Denver, CO 19Michigan 19Aurora, CO 13Colorado Springs, CO 13Utah County, UT 13New Haven County, CT 12Indiana 12Kentucky 11Lakewood, CO 10Jefferson County, KY 10Louisville, KY 10Minnesota 10Tennessee 10Littleton, CO 9Fairfield County, CT 9North Carolina 9New York 9Salt Lake County, UT 9Illinois 8Fayette County, KY 8Lexington, KY 8Worcester County, MA 8Ohio 8Davidson County, TN 8Virginia 8Waukesha County, WI 8Broomfield County, CO 7Centennial, CO 7Fort Collins, CO 7Wayne County, MI 7Hennepin County, MN 7Montgomery County, PA 7South Dakota 7Texas 7Parker, CO 6Weld County, CO 6Iowa 6Indianapolis, IN 6Cass County, ND 6Pennsylvania 6Madison County, AL 5Boulder County, CO 5Englewood, CO 5Jefferson County, CO 5Thornton, CO 5Westminster, CO 5Georgia 5Idaho 5DuPage County, IL 5Johnson County, KS 5Ingham County, MI 5Jackson County, MO 5Buncombe County, NC 5Raleigh, NC 5Wake County, NC 5New Jersey 5Clackamas County, OR 5Portland, OR 5Westmoreland County, PA 5Greenville County, SC 5Utah 5Ventura County, CA 4Arvada, CO 4Castle Rock, CO 4Highlands Ranch, CO 4Loveland, CO 4Hartford County, CT 4Florida 4Cook County, IL 4Hamilton County, IN 4Hendricks County, IN 4Kansas 4Middlesex County, MA 4Montgomery County, MD 4Oakland County, MI 4Anoka County, MN 4Minneapolis, MN 4Ramsey County, MN 4Kansas City, MO 4St. Louis County, MO 4Billings, MT 4Douglas County, NE 4Omaha, NE 4Hillsborough County, NH 4Albuquerque, NM 4Bernalillo County, NM 4Cumberland County, PA 4Lackawanna County, PA 4Lehigh County, PA 4Vermont 4Windsor County, VT 4St. Croix County, WI 4Wyoming 4California 3Orange County, CA 3Colorado 3Durango, CO 3El Paso County, CO 3Fountain, CO 3Grand Junction, CO 3Montezuma County, CO 3Pueblo County, CO 3Routt County, CO 3Steamboat Springs, CO 3Tolland County, CT 3Atlanta, GA 3Jackson County, GA 3Polk County, IA 3Lake County, IL 3Will County, IL 3Allen County, IN 3Bloomington, IN 3Fort Wayne, IN 3Greenwood, IN 3Bullitt County, KY 3Bristol County, MA 3Baltimore County, MD 3Kent County, MI 3Macomb County, MI 3Flathead County, MT 3Gallatin County, MT 3Charlotte, NC 3Forsyth County, NC 3Henderson County, NC 3Mecklenburg County, NC 3North Dakota 3Manchester, NH 3Merrimack County, NH 3Rockingham County, NH 3Erie County, NY 3Oneida County, NY 3Onondaga County, NY 3Orange County, NY 3Columbus, OH 3Oregon 3Beaver County, PA 3Berks County, PA 3Centre County, PA 3Chester County, PA 3Lancaster County, PA 3Monroe County, PA 3Pittsburgh, PA 3York County, PA 3Washington County, RI 3Anderson County, TN 3Knoxville, TN 3Rutherford County, TN 3Sullivan County, TN 3Williamson County, TN 3Sandy, UT 3Spokane, WA 3Jefferson County, WI 3Walworth County, WI 3Winnebago County, WI 3West Virginia 3Laramie County, WY 3Alabama 2Flagstaff, AZ 2Maricopa County, AZ 2El Dorado County, CA 2Los Angeles County, CA 2San Diego, CA 2Broomfield, CO 2Chaffee County, CO 2Eagle, CO 2Garfield County, CO 2Golden, CO 2Larimer County, CO 2Longmont, CO 2Montrose County, CO 2Summit County, CO 2Teller County, CO 2Wheat Ridge, CO 2Litchfield County, CT 2Middlesex County, CT 2New Castle County, DE 2Broward County, FL 2Duval County, FL 2Canton, GA 2Gwinnett County, GA 2Kootenai County, ID 2Bartholomew County, IN 2Clark County, IN 2Columbus, IN 2Evansville, IN 2Fishers, IN 2St. Joseph County, IN 2Vanderburgh County, IN 2Sedgwick County, KS 2Wichita, KS 2Hardin County, KY 2Essex County, MA 2Norfolk County, MA 2Frederick County, MD 2Harford County, MD 2Howard County, MD 2Berrien County, MI 2Jackson County, MI 2Lenawee County, MI 2Olmsted County, MN 2Otter Tail County, MN 2Saint Louis, MO 2St. Louis city, MO 2Montana 2Missoula County, MT 2Ravalli County, MT 2Union County, NC 2Grand Forks County, ND 2New Hampshire 2New Mexico 2Albany County, NY 2Broome County, NY 2Dutchess County, NY 2Cincinnati, OH 2Washington County, OR 2Bucks County, PA 2Dauphin County, PA 2Erie County, PA 2Erie, PA 2Lebanon County, PA 2Providence County, RI 2Washington County, TN 2Wilson County, TN 2Cache County, UT 2Weber County, UT 2Fairfax County, VA 2Frederick County, VA 2Prince William County, VA 2Stafford County, VA 2Stafford, VA 2Washington 2La Crosse County, WI 2Milwaukee County, WI 2Alaska 1Jefferson County, AL 1Arkansas 1Washington County, AR 1Coconino County, AZ 1Phoenix, AZ 1Pinal County, AZ 1Alameda County, CA 1Placer County, CA 1San Diego County, CA 1Santa Barbara County, CA 1Adams County, CO 1Arapahoe County, CO 1Archuleta County, CO 1Breckenridge, CO 1Brighton, CO 1Douglas County, CO 1Eagle County, CO 1Gunnison County, CO 1La Plata County, CO 1Lake County, CO 1Mesa County, CO 1Pagosa Springs, CO 1Connecticut 1Delaware 1Hillsborough County, FL 1Manatee County, FL 1Miami-Dade County, FL 1Cherokee County, GA 1Cobb County, GA 1DeKalb County, GA 1Fulton County, GA 1Honolulu County, HI 1Bremer County, IA 1Ada County, ID 1Kane County, IL 1Winnebago County, IL 1Carmel, IN 1Crown Point, IN 1Dearborn County, IN 1Elkhart County, IN 1Johnson County, IN 1Lake County, IN 1Madison County, IN 1Marion County, IN 1Monroe County, IN 1Porter County, IN 1Tippecanoe County, IN 1Valparaiso, IN 1Douglas County, KS 1Wyandotte County, KS 1Kenton County, KY 1Oldham County, KY 1Warren County, KY 1Massachusetts 1Hampden County, MA 1Ward Hill, MA 1Baltimore city, MD 1Baltimore, MD 1Carroll County, MD 1Prince George's County, MD 1Washington County, MD 1Maine 1Cumberland County, ME 1Penobscot County, ME 1York County, ME 1Livingston County, MI 1Stearns County, MN 1Missouri 1St. Charles County, MO 1Cascade County, MT 1Yellowstone County, MT 1Cabarrus County, NC 1Guilford County, NC 1Iredell County, NC 1Nebraska 1Strafford County, NH 1Hudson County, NJ 1Monmouth County, NJ 1Morris County, NJ 1Ocean County, NJ 1San Juan County, NM 1Nevada 1Washoe County, NV 1New York County, NY 1Ulster County, NY 1Darke County, OH 1Franklin County, OH 1Hamilton County, OH 1Oklahoma 1Adams County, PA 1Allegheny County, PA 1Blair County, PA 1Butler County, PA 1Cambria County, PA 1Delaware County, PA 1Doylestown, PA 1Luzerne County, PA 1Lycoming County, PA 1Northampton County, PA 1Philadelphia County, PA 1Philadelphia, PA 1Pike County, PA 1Schuylkill County, PA 1Washington County, PA 1Wayne County, PA 1South Carolina 1Spartanburg County, SC 1Knox County, TN 1Montgomery County, TN 1Travis County, TX 1Albemarle County, VA 1Ashburn, VA 1Botetourt County, VA 1Chesterfield County, VA 1Culpeper County, VA 1Fredericksburg city, VA 1Fredericksburg, VA 1Herndon, VA 1Loudoun County, VA 1Louisa County, VA 1Lynchburg city, VA 1Lynchburg, VA 1Richmond city, VA 1Roanoke City, VA 1Roanoke, VA 1Winchester city, VA 1Wythe County, VA 1Clark County, WA 1Spokane County, WA 1Racine County, WI 1Washington County, WI 1Berkeley County, WV 1Raleigh County, WV 1

Before you choose, read our guide: How much does radon mitigation cost?

Certified mitigation: 1036 listed

Showing 60 of 1036. Pick a location above to see everyone near you.

Get free quotes from up to 3 certified radon pros near your area

Tell us what you need and where. We send your request to up to 3 certified pros near you who offer that service, and they contact you directly.

What happens next

  1. We match your ZIP to certified pros nearby who offer the service you picked.
  2. Each pro gets your request and contacts you directly, usually within a business day.
  3. Compare quotes and pick one, or none. There's no fee and no obligation.

Free, no obligation. We don't sell your details to anyone else.

Prefer to choose yourself? Every certified pro is listed above with their phone number.