Richfield, ID Radon Mitigation and Testing

Q: What EPA Radon Zone is Richfield in?

Richfield is in Lincoln County, EPA Zone 2.

Q: How much does radon mitigation cost in Richfield?

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

Lincoln County

EPA Zone 2

Located in Lincoln County in south-central Idaho, Richfield sits within a moderate radon risk zone where volcanic bedrock and alluvial soils create variable radon conditions. Testing data for this 83349 community remains limited, making individual property assessment essential for residents. Idaho's geology, combined with the area's agricultural setting and diverse foundation types, requires homeowners to conduct professional radon testing to establish accurate baseline readings.

Richfield, ID Radon Mitigation

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

Richfield, ID Radon Testing

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

Richfield Radon Facts

Key details about the radon risk profile for Richfield and the 83349 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Lincoln County, ID

Zip Code

83349

Predicted Screening Level

2–4 pCi/L (Zone 2)

Richfield and the 83349 zip code are located in Lincoln 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 Richfield, ID

What EPA Radon Zone is Richfield in?

Richfield and the 83349 zip code are in Lincoln 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 Richfield?

Radon mitigation in Richfield 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 Richfield?

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 Idaho

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Idaho Falls	7.29 pCi/L	7
Hailey	7.83 pCi/L	6
Post Falls	9.00 pCi/L	5
Coeur D Alene	9.00 pCi/L	4
Moscow	7.75 pCi/L	4
Victor	6.67 pCi/L	3
Driggs	16.00 pCi/L	2
Hayden	8.50 pCi/L	2
Pocatello	8.50 pCi/L	2
Eagle	6.00 pCi/L	1
Boise	No submissions	0
Nampa	No submissions	0
Sandpoint	No submissions	0