Anchorage, AK Radon Mitigation and Testing

Q: What is the average radon level in Anchorage, AK?

Based on 5 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Anchorage in?

Anchorage is in Anchorage Borough County, EPA Zone Unknown.

Q: How much does radon mitigation cost in Anchorage?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Avg: 5.00 pCi/L

Anchorage Borough County

EPA Zone Unknown

5 user tests

Alaska's largest city shows an average radon level of 5.0 pCi/L across the Anchorage Borough, which exceeds the EPA action level of 4.0 pCi/L. Based on 5 test submissions in zip code 99501, readings have ranged from 3.0 to 7.0 pCi/L, indicating that mitigation may be necessary for many homes in this area.

5.00

pCi/L average

Above EPA Action Level

Based on 5 user-submitted radon tests for homes in Anchorage, AK. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Anchorage, AK Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Anchorage, AK Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Anchorage, Alaska Radon Levels

User-submitted radon test readings from homes in the Anchorage area.

Radon Level	City	Home Age	Foundation	Submitted
6 pCi/L	Anchorage, AK	0-20 Years	No Basement/All Slab	Aug 2023
3 pCi/L	Anchorage, AK	51-99 Years	No Basement/All Crawl Space	Oct 2021
7 pCi/L	Anchorage, AK	21-50 Years	No Basement/All Crawl Space	Jun 2021
6 pCi/L	Anchorage, AK	21-50 Years	No Basement/All Slab	Oct 2017

Have a radon test result for Anchorage? Submit your reading to help other homeowners.

Anchorage Radon Facts

Key details about the radon risk profile for Anchorage and the 99501 zip code area.

EPA Radon Zone

Unknown

County

Anchorage Borough County, AK

Zip Code

99501

Predicted Screening Level

Unknown

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Anchorage and the 99501 zip code are located in Anchorage Borough County, which has an EPA assigned Radon Zone of Unknown. A radon zone of Unknown does not have sufficient data for classification. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Anchorage, AK

What is the average radon level in Anchorage, AK?

Based on 5 user-submitted tests, the average radon level in Anchorage is 5.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Anchorage in?

Anchorage and the 99501 zip code are in Anchorage 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 Anchorage?

Radon mitigation in Anchorage 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 Anchorage?

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 with the most user-submitted radon test data in the state.

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