Richmond, ME Radon Mitigation and Testing

Q: What EPA Radon Zone is Richmond in?

Richmond is in Sagadahoc County, EPA Zone 2.

Q: How much does radon mitigation cost in Richmond?

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

Sagadahoc County

EPA Zone 2

Positioned in Sagadahoc County within the Portland Metro area, Richmond sits on Maine's granite-rich geology that can contribute to moderate radon potential throughout New England. Testing data for zip code 04357 is currently limited, making individual home assessment important for residents. Maine's crystalline bedrock and glacial soil deposits often produce radon levels that vary significantly from property to property.

Richmond, ME Radon Mitigation

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

Richmond, ME Radon Testing

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

Richmond Radon Facts

Key details about the radon risk profile for Richmond and the 04357 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Sagadahoc County, ME

Zip Code

04357

Predicted Screening Level

2–4 pCi/L (Zone 2)

Richmond and the 04357 zip code are located in Sagadahoc 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 Richmond, ME

What EPA Radon Zone is Richmond in?

Richmond and the 04357 zip code are in Sagadahoc 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 Richmond?

Radon mitigation in Richmond 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 Richmond?

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