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Easton, PA Radon Levels

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


Easton, PA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Northampton County, PA
Zip Code 18040
Avg. User Level 12.30 pCi/L
User Tests 6

Located in Northampton County within the Lehigh Valley, Easton shows significantly elevated radon levels with an average of 12.33 pCi/L based on local testing data. This reading substantially exceeds the EPA's 4.0 pCi/L action level, reflecting the area's limestone and shale geology that promotes radon gas migration. Homes throughout zip codes 18040, 18042, and 18045 should be tested and likely require mitigation systems.

12.30
pCi/L average
Above EPA Action Level

Based on 6 user-submitted radon tests for homes in Easton, PA. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Easton, PA Radon Mitigation

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Easton, PA Radon Levels

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

Radon LevelCityHome AgeFoundation
10 pCi/L Easton, PA 21-50 Years Full Basement
20 pCi/L Easton, PA 51-99 Years Full Basement
18 pCi/L Easton, PA 21-50 Years No Basement/All Slab
15 pCi/L Easton, PA 0-20 Years Full Basement
5 pCi/L Easton, PA 0-20 Years

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

Radon Readings Near Easton, PA

Compare radon levels in Easton with the closest nearby cities that have user-submitted test data.

CityDistanceAvg User LevelReadings
Nazareth 5.2 mi 20.00 pCi/L 2
Hellertown 9.1 mi 13.00 pCi/L 1
Bath 9.5 mi 14.00 pCi/L 1
Bangor 11.4 mi 9.00 pCi/L 1
Upper Black Eddy 12.5 mi 8.00 pCi/L 1
Center Valley 14.4 mi 11.00 pCi/L 1
Coopersburg 15.2 mi 7.00 pCi/L 1
Saylorsburg 15.2 mi 5.50 pCi/L 2

Northampton County Radon Profile

Because of its underlying geology, Northampton County is mapped as EPA Radon Zone 1 — the most elevated classification — where predicted indoor screening averages exceed 4 pCi/L. Homeowner-submitted tests from 5 cities in Northampton County average 13.64 pCi/L across 11 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Northampton County home regardless of zone or a neighbor's results.

Radon FAQ for Easton, PA

What is the average radon level in Easton, PA?
Based on 6 user-submitted tests, the average radon level in Easton is 12.30 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 Easton in?
Easton and the 18040 zip code are in Northampton 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 Easton?
Radon mitigation in Easton 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 Easton?
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.