Castleton, VA Radon Levels
Check local Castleton radon levels and find certified testing and mitigation professionals to keep your home safe
Castleton, VA Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Rappahannock County, VA
Zip Code
22716
Part of the Washington Metro area in Rappahannock County, Castleton sits in Virginia's Piedmont region where crystalline bedrock and residual soils create moderate radon potential. The community's rural character includes historic properties and newer country homes, with both basement and crawl space foundations represented. Given the limited radon data available for zip code 22716, homeowners should prioritize testing to establish individual property risk levels.
Castleton, VA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Radon FAQ for Castleton, VA
What EPA Radon Zone is Castleton in?
Castleton and the 22716 zip code are in Rappahannock 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 Castleton?
Radon mitigation in Castleton 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 Castleton?
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 |