Richmond, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Richmond in?

Richmond is in Fort Bend County, EPA Zone 3.

Q: How much does radon mitigation cost in Richmond?

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

Richmond spans multiple zip codes (77406, 77407, 77469) in Fort Bend County southwest of Houston, where Gulf Coast clay soils typically produce lower radon levels. The area's predominantly slab-on-grade construction reduces radon accumulation compared to homes with basements. However, individual testing remains important as radon levels can vary significantly even in low-risk geological areas.

Richmond, TX Radon Mitigation

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

Richmond, TX Radon Testing

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

Richmond Radon Facts

Key details about the radon risk profile for Richmond and the 77406 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Fort Bend County, TX

Zip Code

77406

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Richmond and the 77406 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 Richmond, TX

What EPA Radon Zone is Richmond in?

Richmond and the 77406 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 Richmond?

Radon mitigation in Richmond 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 Richmond?

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