Harrington, ME Radon Mitigation and Testing

Q: What EPA Radon Zone is Harrington in?

Harrington is in Washington County, EPA Zone 2.

Q: How much does radon mitigation cost in Harrington?

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

Washington County

EPA Zone 2

Situated in Washington County along Maine's Down East coast, Harrington is built on granite bedrock and glacial marine deposits that can create variable radon conditions. The community's housing includes both year-round homes and seasonal properties, many constructed with the basement or crawl space foundations common to Maine's challenging building conditions. Without current testing data for zip code 04643, homeowners should consider radon testing given the region's geological complexity.

Harrington, ME Radon Mitigation

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

Harrington, ME Radon Testing

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

Harrington Radon Facts

Key details about the radon risk profile for Harrington and the 04643 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Washington County, ME

Zip Code

04643

Predicted Screening Level

2–4 pCi/L (Zone 2)

Harrington and the 04643 zip code are located in Washington 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 Harrington, ME

What EPA Radon Zone is Harrington in?

Harrington and the 04643 zip code are in Washington 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 Harrington?

Radon mitigation in Harrington 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 Harrington?

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