Freeport, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Freeport in?

Freeport is in Brazoria County, EPA Zone 3.

Q: How much does radon mitigation cost in Freeport?

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

Brazoria County

EPA Zone 3

Located in Brazoria County within the Houston metro area, Freeport sits on Gulf Coast sediments that typically produce lower radon concentrations. Testing data for this zip code 77541 coastal community is limited, though Texas's EPA Zone 3 designation reflects generally low radon potential. Even in coastal regions, some homes may experience elevated readings, making professional testing a prudent step for Freeport residents.

Freeport, TX Radon Mitigation

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

Freeport, TX Radon Testing

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

Freeport Radon Facts

Key details about the radon risk profile for Freeport and the 77541 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Brazoria County, TX

Zip Code

77541

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Freeport and the 77541 zip code are located in Brazoria 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 Freeport, TX

What EPA Radon Zone is Freeport in?

Freeport and the 77541 zip code are in Brazoria 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 Freeport?

Radon mitigation in Freeport 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 Freeport?

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