Amherst, VA Radon Mitigation and Testing

Q: What is the average radon level in Amherst, VA?

Based on 2 user-submitted tests, the average radon level is 9.50 pCi/L.

Q: What EPA Radon Zone is Amherst in?

Amherst is in Amherst County, EPA Zone 2.

Q: How much does radon mitigation cost in Amherst?

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

Avg: 9.50 pCi/L

Amherst County

EPA Zone 2

2 user tests

Amherst is located in Amherst County, Virginia. With 2 user-submitted readings averaging 9.50 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 24521 zip code.

9.50

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Amherst, VA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Amherst, VA Radon Mitigation

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

Amherst, VA Radon Testing

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

Amherst, Virginia Radon Levels

User-submitted radon test readings from homes in the Amherst area.

Radon Level	City	Home Age	Foundation	Submitted
11 pCi/L	Amherst, VA	21-50 Years	Full Basement	Oct 2025
8 pCi/L	Amherst, VA	0-20 Years	Full Basement	Feb 2021

Have a radon test result for Amherst? Submit your reading to help other homeowners.

Amherst Radon Facts

Key details about the radon risk profile for Amherst and the 24521 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Amherst County, VA

Zip Code

24521

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

9.50 pCi/L

User Tests Submitted

Amherst and the 24521 zip code are located in Amherst 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 Amherst, VA

What is the average radon level in Amherst, VA?

Based on 2 user-submitted tests, the average radon level in Amherst is 9.50 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Amherst in?

Amherst and the 24521 zip code are in Amherst 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 Amherst?

Radon mitigation in Amherst 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 Amherst?

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