Collinsville, TX Radon Levels
Check local Collinsville radon levels and find certified testing and mitigation professionals to keep your home safe
Collinsville, TX Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Grayson County, TX
Zip Code
76233
Positioned in Grayson County within the Sherman Metro area, Collinsville rests on Cretaceous-era limestone and shale formations typical of north Texas. Current radon testing data for zip code 76233 remains limited, highlighting the importance of individual home testing. Though Texas generally shows lower radon potential than northern states, specific soil conditions and home construction details can still produce concerning indoor air quality levels.
Collinsville, TX Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Collinsville?
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Radon FAQ for Collinsville, TX
What EPA Radon Zone is Collinsville in?
Collinsville and the 76233 zip code are in Grayson 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 Collinsville?
Radon mitigation in Collinsville 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 Collinsville?
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 in Texas with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Lubbock | 12.70 pCi/L | 10 |
| 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 |