Washington, TX Radon Levels
Check local Washington radon levels and find certified testing and mitigation professionals to keep your home safe
Washington, TX Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Washington County, TX
Zip Code
77880
Located in Washington County in the heart of Texas, this historic community sits on Gulf Coastal Plain sediments that typically produce lower radon levels. While radon testing data for zip code 77880 remains limited, homeowners should still conduct baseline testing to establish their property's radon profile. The area's predominant single-family housing stock with slab-on-grade foundations generally shows reduced radon accumulation potential.
Washington, 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 Washington?
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Radon FAQ for Washington, TX
What EPA Radon Zone is Washington in?
Washington and the 77880 zip code are in Washington 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 Washington?
Radon mitigation in Washington 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 Washington?
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 |