Friday Harbor, WA Radon Mitigation and Testing
The charming island town of Friday Harbor serves as the county seat of San Juan County, sitting on volcanic and marine sedimentary geology unique to the Pacific Northwest islands. Local housing includes both historic waterfront properties and modern island homes, many built on concrete foundations or pilings to accommodate the coastal environment. With radon testing data currently unavailable for zip code 98250, island residents should consider professional testing to establish their homes' radon baseline levels.
Friday Harbor, WA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Friday Harbor, WA Radon Testing
Finding qualified radon testing professionals is the first step toward protecting your home.
Friday Harbor Radon Facts
Key details about the radon risk profile for Friday Harbor and the 98250 zip code area.
Friday Harbor and the 98250 zip code are located in San Juan County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Friday Harbor, WA
What EPA Radon Zone is Friday Harbor in?
How much does radon mitigation cost in Friday Harbor?
Should I test for radon if I'm buying a home in Friday Harbor?
Most Active Radon Markets in Washington
Cities with the most user-submitted radon test data in the state.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Vancouver | 6.56 pCi/L | 9 |
| Kent | 3.60 pCi/L | 5 |
| Seattle | 5.25 pCi/L | 4 |
| Olympia | 5.00 pCi/L | 4 |
| Bellevue | 3.75 pCi/L | 4 |
| Spokane | 11.67 pCi/L | 3 |
| Camas | 8.00 pCi/L | 3 |
| Centralia | 7.00 pCi/L | 3 |
| Bellingham | 4.50 pCi/L | 2 |
| Kirkland | 4.50 pCi/L | 2 |
| Washougal | 8.00 pCi/L | 1 |
| Ridgefield | 5.00 pCi/L | 1 |
| Moses Lake | No submissions | 0 |