Randolph, ME Radon Mitigation and Testing

Q: What EPA Radon Zone is Randolph in?

Randolph is in Kennebec County, EPA Zone 1.

Q: How much does radon mitigation cost in Randolph?

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

Kennebec County

EPA Zone 1

Situated in Kennebec County in south-central Maine, Randolph sits on glacial deposits over granite bedrock that can generate radon gas. The community's housing stock includes older homes with stone foundations alongside more recent construction, many featuring basements common to the region. Since testing data remains limited for zip code 04346, local homeowners should conduct radon testing to determine their individual risk levels.

Randolph, ME Radon Mitigation

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

Randolph, ME Radon Testing

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

Randolph Radon Facts

Key details about the radon risk profile for Randolph and the 04346 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Kennebec County, ME

Zip Code

04346

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Randolph and the 04346 zip code are located in Kennebec 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 Randolph, ME

What EPA Radon Zone is Randolph in?

Randolph and the 04346 zip code are in Kennebec 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 Randolph?

Radon mitigation in Randolph 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 Randolph?

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