Oxford, CT Radon Mitigation and Testing

Q: What is the average radon level in Oxford, CT?

Based on 1 user-submitted tests, the average radon level is 6.00 pCi/L.

Q: What EPA Radon Zone is Oxford in?

Oxford is in New Haven County, EPA Zone 1.

Q: How much does radon mitigation cost in Oxford?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Avg: 6.00 pCi/L

New Haven County

EPA Zone 1

1 user test

Oxford in New Haven County shows an average radon level of 6.0 pCi/L, exceeding the EPA's 4.0 pCi/L action threshold and indicating potential mitigation needs for area homeowners. Located in Connecticut's Western Highlands where glacial deposits over crystalline bedrock create favorable conditions for radon accumulation, the 06478 community features predominantly single-family homes with basement foundations. This combination of geological factors and housing characteristics makes continued radon monitoring and potential mitigation important considerations for residents.

6.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Oxford, CT Radon Mitigation

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

Oxford, CT Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Oxford, Connecticut Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
6 pCi/L	Oxford, CT	0-20 Years	Full Basement	Sep 2020

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

Oxford Radon Facts

Key details about the radon risk profile for Oxford and the 06478 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

New Haven County, CT

Zip Code

06478

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

6.00 pCi/L

User Tests Submitted

Oxford and the 06478 zip code are located in New Haven County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Oxford, CT

What is the average radon level in Oxford, CT?

Based on 1 user-submitted test, the average radon level in Oxford is 6.00 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 Oxford in?

Oxford and the 06478 zip code are in New Haven 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 Oxford?

Radon mitigation in Oxford 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 Oxford?

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 Connecticut

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Hamden	4.75 pCi/L	4
West Hartford	4.25 pCi/L	4
Greenwich	7.67 pCi/L	3
Norwalk	7.00 pCi/L	1
Stamford	5.00 pCi/L	1
Middletown	4.00 pCi/L	1
Guilford	No submissions	0
Ridgefield	No submissions	0