Smithfield, VA Radon Levels

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.

Check local Smithfield radon levels and find certified testing and mitigation professionals to keep your home safe

Smithfield, VA Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Isle of Wight County, VA

Zip Code 23430

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.

Need Radon Mitigation or Testing in Smithfield?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Isle of Wight County Pros

1-800-299-3578 757-251-9417 (local) Toll-free · Mon–Fri 8am–6pm ET

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 in Virginia with the most user-submitted radon test data, ranked by number of submissions.

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
Williamsburg	5.80 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