Plymouth, CT Radon Mitigation and Testing

Q: What EPA Radon Zone is Plymouth in?

Plymouth is in Litchfield County, EPA Zone 2.

Q: How much does radon mitigation cost in Plymouth?

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

Litchfield County

EPA Zone 2

Plymouth occupies Litchfield County in northwest Connecticut's scenic hill country (zip code 06782). Though comprehensive local radon data remains limited, the area's granite and metamorphic bedrock can contribute to elevated readings in some homes. Connecticut homeowners should test regularly given the state's generally moderate-to-high radon potential.

Plymouth, CT Radon Mitigation

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

Plymouth, CT Radon Testing

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

Plymouth Radon Facts

Key details about the radon risk profile for Plymouth and the 06782 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Litchfield County, CT

Zip Code

06782

Predicted Screening Level

2–4 pCi/L (Zone 2)

Plymouth and the 06782 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 Plymouth, CT

What EPA Radon Zone is Plymouth in?

Plymouth and the 06782 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 Plymouth?

Radon mitigation in Plymouth 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 Plymouth?

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