Annandale, VA Radon Mitigation and Testing
This established community in Fairfax County within the Washington Metro has shown notably elevated radon levels, with current testing revealing an average of 20.0 pCi/L - significantly exceeding the EPA action level. Annandale's mature housing stock, predominantly built between the 1950s and 1980s with full basements, sits atop Northern Virginia's complex geology of clay soils over granite bedrock. Properties in the 22003 area should prioritize radon testing and likely require professional mitigation systems.
Based on 1 user-submitted radon test for homes in Annandale, VA. The EPA recommends taking action at or above 4.0 pCi/L.
Annandale, VA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Annandale, VA Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Annandale, Virginia Radon Levels
User-submitted radon test readings from homes in the Annandale area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 20 pCi/L | Annandale, VA | 51-99 Years | Partial Basement | Apr 2017 |
Have a radon test result for Annandale? Submit your reading to help other homeowners.
Annandale Radon Facts
Key details about the radon risk profile for Annandale and the 22003 zip code area.
Annandale and the 22003 zip code are located in Fairfax County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Annandale, VA
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Most Active Radon Markets in Virginia
Cities with the most user-submitted radon test data in the state.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Fredericksburg | 7.29 pCi/L | 7 |
| King George | 7.17 pCi/L | 6 |
| Leesburg | 9.80 pCi/L | 5 |
| Chantilly | 9.60 pCi/L | 5 |
| Fancy Gap | 9.40 pCi/L | 5 |
| Purcellville | 10.75 pCi/L | 4 |
| Aldie | 8.00 pCi/L | 4 |
| Front Royal | 7.75 pCi/L | 4 |
| Bristol | 7.50 pCi/L | 4 |
| Winchester | 7.00 pCi/L | 4 |
| Williamsburg | 5.75 pCi/L | 4 |
| Lovettsville | 5.25 pCi/L | 4 |
| Woodbridge | 4.50 pCi/L | 4 |
| Fairfax | 9.67 pCi/L | 3 |
| Stafford | 9.33 pCi/L | 3 |
| Louisa | 8.33 pCi/L | 3 |
| Linden | 7.67 pCi/L | 3 |
| Warrenton | 7.67 pCi/L | 3 |
| Burke | 5.67 pCi/L | 3 |
| Lynchburg | 5.33 pCi/L | 3 |