Prospect Harbor, ME Radon Mitigation and Testing

Q: What is the average radon level in Prospect Harbor, ME?

Based on 1 user-submitted tests, the average radon level is 1.00 pCi/L.

Q: What EPA Radon Zone is Prospect Harbor in?

Prospect Harbor is in Hancock County, EPA Zone 1.

Q: How much does radon mitigation cost in Prospect Harbor?

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

Avg: 1.00 pCi/L

Hancock County

EPA Zone 1

1 user test

Prospect Harbor in Hancock County sits along Maine's rugged coastline in zip code 04669, where granite bedrock and thin glacial soils characterize the Acadia region. Local testing shows an average radon level of 1.0 pCi/L, well within EPA recommended ranges, though the granitic geology can still produce variable readings. Coastal homes with seasonal use patterns should maintain regular testing schedules for optimal indoor air quality monitoring.

1.00

pCi/L average

Below EPA Action Level

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

4.0 EPA

10+

Prospect Harbor, ME Radon Mitigation

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

Prospect Harbor, ME Radon Testing

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

Prospect Harbor, Maine Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
1 pCi/L	Prospect Harbor, ME	0-20 Years	No Basement/All Crawl Space	Feb 2021

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

Prospect Harbor Radon Facts

Key details about the radon risk profile for Prospect Harbor and the 04669 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Hancock County, ME

Zip Code

04669

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

1.00 pCi/L

User Tests Submitted

Prospect Harbor and the 04669 zip code are located in Hancock 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 Prospect Harbor, ME

What is the average radon level in Prospect Harbor, ME?

Based on 1 user-submitted test, the average radon level in Prospect Harbor is 1.00 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.

What EPA Radon Zone is Prospect Harbor in?

Prospect Harbor and the 04669 zip code are in Hancock 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 Prospect Harbor?

Radon mitigation in Prospect Harbor 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 Prospect Harbor?

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