Stephenson, VA Radon Mitigation and Testing

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

Based on 2 user-submitted tests, the average radon level is 6.00 pCi/L.

Q: What EPA Radon Zone is Stephenson in?

Stephenson is in Frederick County, EPA Zone 1.

Q: How much does radon mitigation cost in Stephenson?

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

Avg: 6.00 pCi/L

Frederick County

EPA Zone 1

2 user tests

Recording an average of 6.0 pCi/L from recent testing, Stephenson in Frederick County exceeds the EPA action threshold and requires mitigation attention. The community's location in the Shenandoah Valley exposes homes to limestone bedrock formations known for elevated radon production. Homeowners in zip code 22656 should implement professional mitigation systems to address these documented elevated levels.

6.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Stephenson, VA Radon Mitigation

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

Stephenson, VA Radon Testing

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

Stephenson, Virginia Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
7 pCi/L	Stephenson, VA	0-20 Years	Full Basement	Jun 2023
5 pCi/L	Stephenson, VA	0-20 Years	Full Basement	May 2021

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

Stephenson Radon Facts

Key details about the radon risk profile for Stephenson and the 22656 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Frederick County, VA

Zip Code

22656

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

6.00 pCi/L

User Tests Submitted

Stephenson and the 22656 zip code are located in Frederick County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Stephenson, VA

What is the average radon level in Stephenson, VA?

Based on 2 user-submitted tests, the average radon level in Stephenson is 6.00 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 Stephenson in?

Stephenson and the 22656 zip code are in Frederick County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Stephenson?

Radon mitigation in Stephenson 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 Stephenson?

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