Cedar Park, TX Radon Mitigation and Testing

Q: What EPA Radon Zone is Cedar Park in?

Cedar Park is in Williamson County, EPA Zone 3.

Q: How much does radon mitigation cost in Cedar Park?

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

Williamson County

EPA Zone 3

Located in Williamson County within the Austin metro area, Cedar Park currently lacks comprehensive radon testing data for zip code 78613. The community sits over the Edwards Plateau's limestone formations, which can occasionally produce elevated radon levels despite Texas' generally lower radon potential. Homeowners should consider testing, particularly important for properties built over limestone bedrock or those with enclosed foundation areas.

Cedar Park, TX Radon Mitigation

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

Cedar Park, TX Radon Testing

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

Cedar Park Radon Facts

Key details about the radon risk profile for Cedar Park and the 78613 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Williamson County, TX

Zip Code

78613

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Cedar Park and the 78613 zip code are located in Williamson 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 Cedar Park, TX

What EPA Radon Zone is Cedar Park in?

Cedar Park and the 78613 zip code are in Williamson 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 Cedar Park?

Radon mitigation in Cedar Park 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 Cedar Park?

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