Topping, VA Radon Mitigation and Testing

Q: What EPA Radon Zone is Topping in?

Topping is in Middlesex County, EPA Zone 3.

Q: How much does radon mitigation cost in Topping?

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

Middlesex County

EPA Zone 3

Situated along Virginia's Northern Neck in Middlesex County, Topping sits on Coastal Plain sediments near the Rappahannock River. While radon testing data for zip code 23169 is currently limited, the area's sandy soils and moderate elevation typically produce lower radon levels compared to Virginia's mountain regions. Homeowners should still consider testing, especially in homes with basements or crawl spaces.

Topping, VA Radon Mitigation

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

Topping, VA Radon Testing

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

Topping Radon Facts

Key details about the radon risk profile for Topping and the 23169 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Middlesex County, VA

Zip Code

23169

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Topping and the 23169 zip code are located in Middlesex 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 Topping, VA

What EPA Radon Zone is Topping in?

Topping and the 23169 zip code are in Middlesex 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 Topping?

Radon mitigation in Topping 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 Topping?

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