Inwood, WV Radon Mitigation and Testing

Q: What is the average radon level in Inwood, WV?

Based on 1 user-submitted tests, the average radon level is 20.00 pCi/L.

Q: What EPA Radon Zone is Inwood in?

Inwood is in Berkeley County, EPA Zone 1.

Q: How much does radon mitigation cost in Inwood?

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

Avg: 20.00 pCi/L

Berkeley County

EPA Zone 1

1 user test

Inwood is located in Berkeley County, West Virginia. With 1 user-submitted readings averaging 20.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 25428 zip code.

20.00

pCi/L average

Above EPA Action Level

Based on 1 user-submitted radon test for homes in Inwood, WV. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Inwood, WV Radon Mitigation

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

Inwood, WV Radon Testing

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

Inwood, West Virginia Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
20 pCi/L	Inwood, WV	0-20 Years	Full Basement	May 2025

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

Inwood Radon Facts

Key details about the radon risk profile for Inwood and the 25428 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Berkeley County, WV

Zip Code

25428

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

20.00 pCi/L

User Tests Submitted

Inwood and the 25428 zip code are located in Berkeley 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 Inwood, WV

What is the average radon level in Inwood, WV?

Based on 1 user-submitted test, the average radon level in Inwood is 20.00 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 Inwood in?

Inwood and the 25428 zip code are in Berkeley 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 Inwood?

Radon mitigation in Inwood 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 Inwood?

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 West Virginia

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Charles Town	8.10 pCi/L	10
Berkeley Springs	7.70 pCi/L	10
Martinsburg	16.00 pCi/L	8
Harpers Ferry	6.57 pCi/L	7
Ridgeley	9.00 pCi/L	5
Shepherdstown	6.25 pCi/L	4
Kearneysville	5.50 pCi/L	2
Ranson	14.00 pCi/L	1
Morgantown	5.00 pCi/L	1
Charleston	3.00 pCi/L	1