Friendswood, TX Radon Levels
Check local Friendswood radon levels and find certified testing and mitigation professionals to keep your home safe
Friendswood, TX Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Galveston County, TX
Zip Code
77546
Positioned in Galveston County within the greater Houston Metro, Friendswood sits in EPA Zone 3 on the Texas Gulf Coast. Testing data for this 77546 community remains insufficient, though coastal geology typically produces lower radon levels. Nevertheless, homeowners should still test their properties, as individual homes can exceed regional averages regardless of coastal location.
Friendswood, 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 Friendswood?
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Radon FAQ for Friendswood, TX
What EPA Radon Zone is Friendswood in?
Friendswood and the 77546 zip code are in Galveston 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 Friendswood?
Radon mitigation in Friendswood 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 Friendswood?
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 |