Bar Harbor, ME Radon Mitigation and Testing

Q: What EPA Radon Zone is Bar Harbor in?

Bar Harbor is in Hancock County, EPA Zone 1.

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

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

Hancock County

EPA Zone 1

Famous Bar Harbor in Hancock County sits on Mount Desert Island where Maine's granite bedrock can contribute to elevated radon levels, reflected in its EPA Zone 1 classification. With testing data limited for the 04609 coastal area, homeowners should pursue radon testing given the geological conditions that favor radon production.

Bar Harbor, ME Radon Mitigation

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

Bar Harbor, ME Radon Testing

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

Bar Harbor Radon Facts

Key details about the radon risk profile for Bar Harbor and the 04609 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Hancock County, ME

Zip Code

04609

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Bar Harbor and the 04609 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 Bar Harbor, ME

What EPA Radon Zone is Bar Harbor in?

Bar Harbor and the 04609 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 Bar Harbor?

Radon mitigation in Bar 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 Bar 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