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Princeton, MA Radon Levels

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


Princeton, MA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Worcester County, MA
Zip Code 01541
Avg. User Level 20.00 pCi/L
User Tests 1

Located in Worcester County within the Worcester Metro area, Princeton has recorded an average radon level of 20.0 pCi/L based on available testing data. This reading significantly exceeds the EPA action level of 4.0 pCi/L, indicating that homes in zip code 01541 may require radon mitigation. Massachusetts' granite bedrock and glacial soils can create conditions favorable for elevated radon accumulation.

20.00
pCi/L average
Above EPA Action Level

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

0
4.0 EPA
10+

Princeton, MA Radon Mitigation

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

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Princeton, MA Radon Levels

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

Radon LevelCityHome AgeFoundation
20 pCi/L Princeton, MA 21-50 Years Partial Basement

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

Radon Readings Near Princeton, MA

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

CityDistanceAvg User LevelReadings
Rutland 6.4 mi 4.50 pCi/L 2
Hubbardston 6.8 mi 5.00 pCi/L 2
Fitchburg 9.6 mi 12.00 pCi/L 1
Lancaster 9.7 mi 5.00 pCi/L 1
Clinton 10.1 mi 17.00 pCi/L 1
Gardner 10.3 mi 5.00 pCi/L 2
Worcester 12.5 mi 17.67 pCi/L 3
Shrewsbury 14.0 mi 10.00 pCi/L 2

Worcester County Radon Profile

The bedrock and soils beneath Worcester County are classified by the EPA as Radon Zone 1, the highest-risk tier, with predicted average indoor screening levels above 4 pCi/L. Homeowner-submitted tests from 28 cities in Worcester County average 9.12 pCi/L across 41 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Radon is the second leading cause of lung cancer in the United States, and a short-term test is the only way to confirm a specific home's level in Worcester County.

Radon FAQ for Princeton, MA

What is the average radon level in Princeton, MA?
Based on 1 user-submitted test, the average radon level in Princeton is 20.00 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 Princeton in?
Princeton and the 01541 zip code are in Worcester 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 Princeton?
Radon mitigation in Princeton 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 Princeton?
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.