Kingwood, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Kingwood in?

Kingwood is in Harris County, EPA Zone 3.

Q: How much does radon mitigation cost in Kingwood?

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

Harris County

EPA Zone 3

Suburban Houston community Kingwood spans multiple zip codes within Harris County, where Gulf Coastal Plain geology typically produces minimal radon accumulation potential. Testing data for the 77339 area remains limited, though the region's sandy soils and high water table generally correlate with lower radon levels. Homeowners should still consider radon testing, particularly in newer construction with improved building envelope sealing.

Kingwood, TX Radon Mitigation

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

Kingwood, TX Radon Testing

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

Kingwood Radon Facts

Key details about the radon risk profile for Kingwood and the 77339 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Harris County, TX

Zip Code

77339

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Kingwood and the 77339 zip code are located in Harris 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 Kingwood, TX

What EPA Radon Zone is Kingwood in?

Kingwood and the 77339 zip code are in Harris 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 Kingwood?

Radon mitigation in Kingwood 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 Kingwood?

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 Texas

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

City	Avg User Radon Level	Submissions
Lubbock	12.67 pCi/L	9
San Antonio	6.57 pCi/L	7
Austin	6.14 pCi/L	7
Dallas	8.00 pCi/L	5
Abilene	4.50 pCi/L	2
Houston	3.50 pCi/L	2
Plano	6.00 pCi/L	1
Frisco	3.00 pCi/L	1
Nacogdoches	No submissions	0