Sugar Land, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Sugar Land in?

Sugar Land is in Fort Bend County, EPA Zone 3.

Q: How much does radon mitigation cost in Sugar Land?

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

Fort Bend County

EPA Zone 3

Sugar Land, TX resides in Fort Bend 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. Testing is recommended for all homes in the 77478 zip code area.

Sugar Land, TX Radon Mitigation

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

Sugar Land, TX Radon Testing

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

Sugar Land Radon Facts

Key details about the radon risk profile for Sugar Land and the 77478 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Fort Bend County, TX

Zip Code

77478

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Sugar Land and the 77478 zip code are located in Fort Bend 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 Sugar Land, TX

What EPA Radon Zone is Sugar Land in?

Sugar Land and the 77478 zip code are in Fort Bend 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 Sugar Land?

Radon mitigation in Sugar Land 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 Sugar Land?

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