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Radon Shield LLC

Trenton, New Jersey. Mitigation

1 Pennsylvania state license verified against the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection list, last checked November 3, 2026.

Credentials

Licenses and certifications

1 credential is on file for this business, exactly as the issuer's list printed it.

These are Pennsylvania licenses, and the business address is in New Jersey.

Radon411 has no New Jersey record for this business. Before hiring it for a home in New Jersey, check what New Jersey asks for. What New Jersey requires

Pennsylvania state license (1)

Issued by the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection, not by NRPP or NRSB. Radon411 last checked the list on November 3, 2026. No expiry date is on the record.

LicenseNumberStatus on the listVerifiedCheck with the issuer
Mitigation licenseNo. 3055DEP certified radon mitigation firmVerified November 3, 2026Verify 3055 with the Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection (opens in a new tab)

Licensing in New Jersey

New Jersey's radon program says the state licenses or certifies radon professionals.

Radon Section, New Jersey Department of Environmental Protection, 800-648-0394.

What New Jersey requires, in its program’s own words, and how to check a credential

Local radon figures

Radon in Trenton

Trenton lies in Mercer County, where 10.6% of 6,370 radon tests reported to CDC (2022) were at or above 4 pCi/L, 0.9 points above New Jersey pooled (9.7%), 8th of 21 New Jersey counties with 30 or more tests.

Radon test figures for the county Trenton lies in
CountyTestsAt or above 4 pCi/LMedianNew Jersey, pooledRank in the stateEPA zone
Mercer County6,37010.6%0.9 pCi/L9.7%8 of 21Zone 1

Shares of tests people chose to run and report, by county (2022); the state's is its counties' counts added up, calculated by Radon411. Only a test measures a home.

The counties around Trenton

Around Mercer County, where Trenton lies, the nearest New Jersey counties with a CDC figure for 2022 run from 5.1% to 21.1% of tests at or above 4 pCi/L; the closest, Middlesex County, is 19 miles away at 7.3%.

The nearest New Jersey counties to Mercer County with 30 or more tests, 2022
CountyDistanceTestsAt or above 4 pCi/LMedian
Middlesex County19 mi9,5947.3%0.8 pCi/L
Somerset County20 mi7,67915.4%1.2 pCi/L
Hunterdon County23 mi3,74821.1%1.4 pCi/L
Monmouth County25 mi9,7459.8%0.7 pCi/L
Burlington County28 mi5,3556.2%0.9 pCi/L
Union County33 mi6,1115.1%0.9 pCi/L

Nearby

Radon professionals nearest Trenton

More radon professionals in TrentonMore radon professionals in New Jersey

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