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RADON411

Radon mitigation and testing in Columbus, Ohio

Testers and mitigation companies with an address in Columbus, with the licenses on file for each.

Columbus, OH at a glance

  • Businesses listed

    31

    Columbus
    31
    Westerville
    5

    By each business's listed address

  • Listed for testing

    23

    74% of listings

    Testing
    23
    Mitigation
    11

    A business can be listed for both

  • State license on file

    31

    100% of listings

    State license
    31
    NRPP
    0

    As each issuer's own record shows it

  • Share at 4+ pCi/L

    71.9%

    19.6 pts above OH

    Franklin
    71.9%
    Ohio
    52.3%

    Franklin, 6th of 79 in OH, 2008 to 2017

  • EPA radon zone

    Zone 1

    Highest potential

    1. Zone 1
    2. 2
    3. 3

    1 highest, 3 lowest

    Franklin County, where Columbus is

Professionals in Columbus

Ohio licensing and every city

31 professionals in Columbus, Ohio. Showing 1 to 1224.

On this page: 3 testing and mitigation, 5 mitigation, 416 testing

Testing and mitigation 3

Mitigation 5

Testing 416

Show 12 more on this page

Radon levels in Columbus

Read a result for Columbus

Starts at Franklin County's median, 6.8 pCi/L

6.8pCi/L

EPA’s own thresholds; the figures are the area’s, never this home’s.

EPA’s reading of 6.8 pCi/L

At or above 4 pCi/L

  1. Under 20 to 1.9 pCi/L
  2. 2 to 4consider a fix
  3. 4 and aboveEPA says fix it

This result is at or above 4 pCi/L. EPA recommends fixing a home when the radon level is 4 pCi/L or higher. Franklin County's median reported result, 2008 to 2017.

Interpret this readingWhat a fix costs

Columbus lies mostly in Franklin County, where 71.9% of 16,142 radon tests reported to CDC (2008 to 2017, laboratory) were at or above 4 pCi/L, 19.6 points above Ohio pooled (52.3%), 6th of 79 Ohio counties with 30 or more tests.

Radon test figures for the counties Columbus lies in
CountyShare of ColumbusTestsAt or above 4 pCi/LMedianOhio, pooledRank in the stateEPA zone
Franklin County97.8%16,14271.9%6.8 pCi/L52.3%6 of 79Zone 1
Delaware County1.5%3,73072.2%6.4 pCi/L52.3%4 of 79Zone 1
Fairfield County0.8%1,17576.8%7.4 pCi/L52.3%2 of 79Zone 1

Shares of tests people chose to run and report, by county (2008 to 2017, laboratory); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.

Around Franklin County, one of the counties Columbus lies in, the nearest Ohio counties with a CDC figure for 2008 to 2017, laboratory run from 57.5% to 81.4% of tests at or above 4 pCi/L; the closest, Madison County, is 21 miles away at 67.4%.

The nearest Ohio counties to Franklin County with 30 or more tests, 2008 to 2017, laboratory
CountyDistanceTestsAt or above 4 pCi/LMedian
Madison County21 mi54967.4%5.7 pCi/L
Pickaway County23 mi18381.4%9.5 pCi/L
Licking County29 mi4,69471.2%7.0 pCi/L
Union County30 mi1,28560.2%4.8 pCi/L
Morrow County40 mi17765.0%5.7 pCi/L
Clark County41 mi1,44757.5%4.9 pCi/L

Cities near Columbus

Every city in Ohio with listed radon professionals

Listings come from state licensing registries.

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