Brownsville, TX Radon Levels
Check local Brownsville radon levels and find certified testing and mitigation professionals to keep your home safe
Brownsville, TX Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Cameron County, TX
Zip Code
78520
As the heart of Cameron County and the Brownsville Metro, this border city sits on Gulf Coast alluvial soils where radon levels are typically minimal. Testing data for the 78520 area remains limited, though Texas's generally low radon potential in EPA Zone 3 suggests lower risk for most homes.
Brownsville, 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 Brownsville?
- 100% Free, No-Obligation Quotes
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1-800-299-3578
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Radon FAQ for Brownsville, TX
What EPA Radon Zone is Brownsville in?
Brownsville and the 78520 zip code are in Cameron 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 Brownsville?
Radon mitigation in Brownsville 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 Brownsville?
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 |