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Allentown, NJ Radon Levels

Check local Allentown radon levels and find certified testing and mitigation professionals to keep your home safe


Allentown, NJ Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Monmouth County, NJ
Zip Code 08501
Avg. User Level 7.00 pCi/L
User Tests 1

Based in Monmouth County with connections to multiple metro areas, Allentown has recorded an average radon level of 7.0 pCi/L, which exceeds the EPA action threshold. This elevated reading from zip code 08501 indicates that professional radon mitigation may be necessary for many homes in the area. The community's underlying geology and housing characteristics contribute to radon accumulation that requires active management.

7.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Allentown, NJ. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Allentown, NJ Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Allentown, NJ Radon Levels

User-submitted radon test readings from homes in the Allentown area.

Radon LevelCityHome AgeFoundation
7 pCi/L Allentown, NJ 0-20 Years Full Basement

Have a radon test result for Allentown? Submit your reading to help other homeowners.

Radon FAQ for Allentown, NJ

What is the average radon level in Allentown, NJ?
Based on 1 user-submitted test, the average radon level in Allentown is 7.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
What EPA Radon Zone is Allentown in?
Allentown and the 08501 zip code are in Monmouth County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Allentown?
Radon mitigation in Allentown typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Allentown?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in New Jersey

Cities in New Jersey with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Cherry Hill 6.44 pCi/L 9
Hillsborough 6.14 pCi/L 7
Freehold 10.50 pCi/L 6
Marlboro 6.17 pCi/L 6
Bernardsville 7.00 pCi/L 5
Phillipsburg 7.00 pCi/L 5
Edison 5.60 pCi/L 5
Princeton 5.40 pCi/L 5
Sussex 9.75 pCi/L 4
Piscataway 6.75 pCi/L 4