Port Arthur, TX Radon Levels
Check local Port Arthur radon levels and find certified testing and mitigation professionals to keep your home safe
Port Arthur, TX Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Jefferson County, TX
Zip Code
77640
Situated in Jefferson County along the Texas-Louisiana border, Port Arthur's location on Gulf Coastal Plain sediments generally correlates with lower radon risk. Despite this geological advantage, comprehensive radon testing data for zip codes 77640 and 77642 is currently unavailable, making individual home testing the best way for residents to ensure safe indoor air quality.
Port Arthur, 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 Port Arthur?
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1-800-299-3578
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Radon FAQ for Port Arthur, TX
What EPA Radon Zone is Port Arthur in?
Port Arthur and the 77640 zip code are in Jefferson 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 Port Arthur?
Radon mitigation in Port Arthur 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 Port Arthur?
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 |