Hart, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Hart in?

Hart is in Castro County, EPA Zone 2.

Q: How much does radon mitigation cost in Hart?

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

Castro County

EPA Zone 2

Positioned in Castro County on the Texas High Plains, this agricultural community sits atop the Ogallala Aquifer where sandy soils typically limit radon accumulation. The area's predominantly slab-on-grade construction reflects both geological conditions and regional building traditions that reduce radon risk. While comprehensive testing data is unavailable, the High Plains geology generally produces lower radon levels than other Texas regions.

Hart, TX Radon Mitigation

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

Hart, TX Radon Testing

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

Hart Radon Facts

Key details about the radon risk profile for Hart and the 79043 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Castro County, TX

Zip Code

79043

Predicted Screening Level

2–4 pCi/L (Zone 2)

Hart and the 79043 zip code are located in Castro 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 Hart, TX

What EPA Radon Zone is Hart in?

Hart and the 79043 zip code are in Castro 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 Hart?

Radon mitigation in Hart 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 Hart?

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