Litchfield, CT Radon Mitigation and Testing

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

Based on 2 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Litchfield in?

Litchfield is in Litchfield County, EPA Zone 2.

Q: How much does radon mitigation cost in Litchfield?

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

Avg: 5.00 pCi/L

Litchfield County

EPA Zone 2

2 user tests

This historic Litchfield County community shows an average radon level of 5.0 pCi/L, exceeding the EPA action threshold of 4.0 pCi/L. Located in Connecticut's scenic northwest hills, the area's granite bedrock and mixed housing stock from colonial times through modern construction create conditions that can lead to elevated radon accumulation. Residents in zip code 06759 should prioritize testing and mitigation when levels exceed EPA recommendations.

5.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Litchfield, CT. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Litchfield, CT Radon Mitigation

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

Litchfield, CT Radon Testing

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

Litchfield, Connecticut Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
5 pCi/L	Litchfield, CT	21-50 Years	Full Basement	Oct 2025

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

Litchfield Radon Facts

Key details about the radon risk profile for Litchfield and the 06759 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Litchfield County, CT

Zip Code

06759

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Litchfield and the 06759 zip code are located in Litchfield County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Litchfield, CT

What is the average radon level in Litchfield, CT?

Based on 2 user-submitted tests, the average radon level in Litchfield is 5.00 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 Litchfield in?

Litchfield and the 06759 zip code are in Litchfield County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Litchfield?

Radon mitigation in Litchfield 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 Litchfield?

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