Smithfield, VA Radon Mitigation and Testing

Q: What EPA Radon Zone is Smithfield in?

Smithfield is in Isle of Wight County, EPA Zone 3.

Q: How much does radon mitigation cost in Smithfield?

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

Isle of Wight County

EPA Zone 3

Positioned in Isle of Wight County within the Virginia Beach Metro area, Smithfield sits on Coastal Plain sediments that typically produce lower radon potential across Virginia's Tidewater region. The historic town features both colonial-era architecture and newer waterfront development, with construction ranging from pier foundations to concrete slabs appropriate for the low-lying coastal terrain. While testing data is currently unavailable for zip code 23430, homeowners may still benefit from baseline radon testing in this EPA Zone 3 area.

Smithfield, VA Radon Mitigation

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

Smithfield, VA Radon Testing

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

Smithfield Radon Facts

Key details about the radon risk profile for Smithfield and the 23430 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Isle of Wight County, VA

Zip Code

23430

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Smithfield and the 23430 zip code are located in Isle of Wight County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Smithfield, VA

What EPA Radon Zone is Smithfield in?

Smithfield and the 23430 zip code are in Isle of Wight County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Smithfield?

Radon mitigation in Smithfield 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 Smithfield?

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 Virginia

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

City	Avg User Radon Level	Submissions
Fredericksburg	7.29 pCi/L	7
King George	7.17 pCi/L	6
Leesburg	9.80 pCi/L	5
Chantilly	9.60 pCi/L	5
Fancy Gap	9.40 pCi/L	5
Purcellville	10.75 pCi/L	4
Aldie	8.00 pCi/L	4
Front Royal	7.75 pCi/L	4
Bristol	7.50 pCi/L	4
Winchester	7.00 pCi/L	4
Williamsburg	5.75 pCi/L	4
Lovettsville	5.25 pCi/L	4
Woodbridge	4.50 pCi/L	4
Fairfax	9.67 pCi/L	3
Stafford	9.33 pCi/L	3
Louisa	8.33 pCi/L	3
Linden	7.67 pCi/L	3
Warrenton	7.67 pCi/L	3
Burke	5.67 pCi/L	3
Lynchburg	5.33 pCi/L	3