Sitka, AK Radon Levels
Check local Sitka radon levels and find certified testing and mitigation professionals to keep your home safe
Sitka, AK Radon Facts
EPA Radon Zone
Unknown
Unknown
County
Sitka Borough County, AK
Zip Code
99835
Alaska's former capital city in the Sitka Borough lacks comprehensive radon data, though the state's unique geological conditions warrant testing consideration. Sitka's coastal location and granite-based geology may produce different radon patterns than seen in the continental United States. Homeowners should still test their properties, particularly those with basements or enclosed lower levels.
Sitka, 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 Sitka?
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Radon FAQ for Sitka, AK
What EPA Radon Zone is Sitka in?
Sitka and the 99835 zip code are in Sitka 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 Sitka?
Radon mitigation in Sitka 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 Sitka?
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 |