Mason City, NE Radon Mitigation and Testing

Q: What EPA Radon Zone is Mason City in?

Mason City is in Custer County, EPA Zone 2.

Q: How much does radon mitigation cost in Mason City?

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

Custer County

EPA Zone 2

Rural Custer County in central Nebraska's Sandhills region sits atop the Ogallala Aquifer, where sandy soils and sedimentary bedrock create generally moderate radon conditions across the agricultural landscape. Although testing data for zip code 68855 remains limited, the area's geological foundation suggests homeowners should consider radon testing as a routine safety measure. Properties with basements or other below-grade spaces may be particularly susceptible to radon accumulation in this farming community.

Mason City, NE Radon Mitigation

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

Mason City, NE Radon Testing

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

Mason City Radon Facts

Key details about the radon risk profile for Mason City and the 68855 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Custer County, NE

Zip Code

68855

Predicted Screening Level

2–4 pCi/L (Zone 2)

Mason City and the 68855 zip code are located in Custer 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 Mason City, NE

What EPA Radon Zone is Mason City in?

Mason City and the 68855 zip code are in Custer 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 Mason City?

Radon mitigation in Mason City 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 Mason City?

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 Nebraska

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

City	Avg User Radon Level	Submissions
Chadron	8.20 pCi/L	5
Lincoln	9.67 pCi/L	3
Beatrice	7.50 pCi/L	2
Seward	No submissions	0