Parkton, MD Radon Mitigation and Testing

Q: What is the average radon level in Parkton, MD?

Based on 2 user-submitted tests, the average radon level is 10.50 pCi/L.

Q: What EPA Radon Zone is Parkton in?

Parkton is in Baltimore County, EPA Zone 1.

Q: How much does radon mitigation cost in Parkton?

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

Avg: 10.50 pCi/L

Baltimore County

EPA Zone 1

2 user tests

Baltimore Metro community Parkton in Baltimore County shows concerning radon levels, with local testing revealing an average of 10.5 pCi/L that significantly exceeds EPA action guidelines. The area's Piedmont geology with metamorphic bedrock contributes to this elevated radon potential. Homeowners in zip code 21120 should prioritize radon mitigation and regular testing given these documented high readings.

10.50

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Parkton, MD Radon Mitigation

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

Parkton, MD Radon Testing

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

Parkton, Maryland Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
12 pCi/L	Parkton, MD	21-50 Years	Full Basement	Mar 2024
9 pCi/L	Parkton, MD	51-99 Years	Full Basement	Apr 2017

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

Parkton Radon Facts

Key details about the radon risk profile for Parkton and the 21120 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Baltimore County, MD

Zip Code

21120

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Avg. User Submitted Level

10.50 pCi/L

User Tests Submitted

Parkton and the 21120 zip code are located in Baltimore 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 Parkton, MD

What is the average radon level in Parkton, MD?

Based on 2 user-submitted tests, the average radon level in Parkton is 10.50 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 Parkton in?

Parkton and the 21120 zip code are in Baltimore 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 Parkton?

Radon mitigation in Parkton 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 Parkton?

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 Maryland

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

City	Avg User Radon Level	Submissions
Frederick	8.29 pCi/L	7
Potomac	9.00 pCi/L	6
Hagerstown	8.67 pCi/L	6
Westminster	14.50 pCi/L	4
Baltimore	7.00 pCi/L	4
Annapolis	4.25 pCi/L	4
Upper Marlboro	15.00 pCi/L	3
Edgewater	12.67 pCi/L	3
Bowie	9.00 pCi/L	3
Clarksburg	8.00 pCi/L	3
Gambrills	6.00 pCi/L	3
Elkton	5.33 pCi/L	3
Silver Spring	4.33 pCi/L	3
Chesapeake Beach	14.00 pCi/L	2
Cumberland	9.00 pCi/L	2
Frostburg	9.00 pCi/L	2
Owings	5.50 pCi/L	2
Huntingtown	4.50 pCi/L	2
Mc Henry	20.00 pCi/L	1
Mount Airy	20.00 pCi/L	1