Orono, ME Radon Mitigation and Testing

Q: What EPA Radon Zone is Orono in?

Orono is in Penobscot County, EPA Zone 1.

Q: How much does radon mitigation cost in Orono?

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

Penobscot County

EPA Zone 1

Located in Penobscot County within the Bangor Metro area, Orono occupies EPA Zone 1 with high radon potential due to Maine's granite bedrock and glacial deposits. Testing data for zip code 04473 remains limited, making professional radon testing crucial for homeowners in this university community. Given the region's geological conditions and typical basement construction, individual homes should be evaluated for radon accumulation regardless of neighborhood averages.

Orono, ME Radon Mitigation

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

Orono, ME Radon Testing

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

Orono Radon Facts

Key details about the radon risk profile for Orono and the 04473 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Penobscot County, ME

Zip Code

04473

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Orono and the 04473 zip code are located in Penobscot 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 Orono, ME

What EPA Radon Zone is Orono in?

Orono and the 04473 zip code are in Penobscot 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 Orono?

Radon mitigation in Orono 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 Orono?

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