Newcastle, ME Radon Mitigation and Testing

Q: What EPA Radon Zone is Newcastle in?

Newcastle is in Lincoln County, EPA Zone 1.

Q: How much does radon mitigation cost in Newcastle?

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

Lincoln County

EPA Zone 1

Coastal Newcastle in Lincoln County sits on ancient granite and metamorphic bedrock typical of midcoast Maine, geological conditions that can produce elevated radon levels in some areas. The community's mix of historic properties and seasonal homes in zip code 04553 creates varying foundation types and potential radon entry points. Given the absence of recent testing data and Maine's documented radon concerns, professional testing is strongly recommended for all residents to establish safe indoor air quality.

Newcastle, ME Radon Mitigation

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

Newcastle, ME Radon Testing

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

Newcastle Radon Facts

Key details about the radon risk profile for Newcastle and the 04553 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Lincoln County, ME

Zip Code

04553

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Newcastle and the 04553 zip code are located in Lincoln 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 Newcastle, ME

What EPA Radon Zone is Newcastle in?

Newcastle and the 04553 zip code are in Lincoln 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 Newcastle?

Radon mitigation in Newcastle 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 Newcastle?

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 Maine

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

City	Avg User Radon Level	Submissions
Rumford	5.67 pCi/L	3
York	8.50 pCi/L	2
Saco	7.50 pCi/L	2
Hampden	4.50 pCi/L	2
Scarborough	14.00 pCi/L	1
Kittery	12.00 pCi/L	1
South Portland	10.00 pCi/L	1
Portland	4.00 pCi/L	1