Joshua, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Joshua in?

Joshua is in Johnson County, EPA Zone 3.

Q: How much does radon mitigation cost in Joshua?

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

Johnson County

EPA Zone 3

Located in Johnson County southwest of Dallas, Joshua sits on the Texas Blackland Prairie where clay soils over limestone bedrock create generally lower radon conditions. Testing data for this rapidly growing 76058 zip code community remains limited, though the area's EPA Zone 3 classification indicates lower radon potential. Even with moderate risk, homeowners in this expanding Dallas metro suburb should consider testing, especially in newer homes with different foundation styles.

Joshua, TX Radon Mitigation

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

Joshua, TX Radon Testing

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

Joshua Radon Facts

Key details about the radon risk profile for Joshua and the 76058 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Johnson County, TX

Zip Code

76058

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Joshua and the 76058 zip code are located in Johnson 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 Joshua, TX

What EPA Radon Zone is Joshua in?

Joshua and the 76058 zip code are in Johnson 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 Joshua?

Radon mitigation in Joshua 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 Joshua?

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