Ketchikan, AK Radon Levels
Check local Ketchikan radon levels and find certified testing and mitigation professionals to keep your home safe
Ketchikan, AK Radon Facts
EPA Radon Zone
Unknown
Unknown
County
Ketchikan Gateway Borough County, AK
Zip Code
99901
Situated in southeastern Alaska's Ketchikan Gateway Borough, Ketchikan sits on complex coastal geology where marine sediments meet volcanic and metamorphic bedrock. While radon testing data for zip code 99901 is currently limited, Alaska's diverse geological conditions warrant individual property assessment. The community's unique setting, with homes built on various foundation types from pilings to full basements, makes professional radon testing valuable for understanding specific exposure levels.
Ketchikan, AK 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 Ketchikan?
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- Matches You with State-Licensed Ketchikan Gateway Borough County Pros
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Radon FAQ for Ketchikan, AK
What EPA Radon Zone is Ketchikan in?
Ketchikan and the 99901 zip code are in Ketchikan Gateway Borough County, which has an EPA assigned Radon Zone of Unknown. A zone of Unknown does not have sufficient data for classification.
How much does radon mitigation cost in Ketchikan?
Radon mitigation in Ketchikan 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 Ketchikan?
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 Alaska
Cities in Alaska with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Anchorage | 5.00 pCi/L | 5 |
| Palmer | 9.00 pCi/L | 4 |
| Eagle River | 9.33 pCi/L | 3 |
| Wasilla | 5.00 pCi/L | 1 |