Webster, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Webster in?

Webster is in Harris County, EPA Zone 3.

Q: How much does radon mitigation cost in Webster?

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

Southeast of Houston in Harris County, Webster's location on the Gulf Coastal Plain typically produces lower radon levels than inland regions. The community's mix of suburban development and light industrial properties serves zip code 77598, where homes often feature slab-on-grade foundations. Though testing data is currently limited, Texas homeowners should still consider radon testing since geological variations can create unexpected accumulation in certain areas.

Webster, TX Radon Mitigation

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

Webster, TX Radon Testing

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

Webster Radon Facts

Key details about the radon risk profile for Webster and the 77598 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Harris County, TX

Zip Code

77598

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Webster and the 77598 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 Webster, TX

What EPA Radon Zone is Webster in?

Webster and the 77598 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 Webster?

Radon mitigation in Webster 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 Webster?

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