Bonney Lake, WA Radon Mitigation and Testing

Q: What is the average radon level in Bonney Lake, WA?

Based on 2 user-submitted tests, the average radon level is 4.00 pCi/L.

Q: What EPA Radon Zone is Bonney Lake in?

Bonney Lake is in Pierce County, EPA Zone 3.

Q: How much does radon mitigation cost in Bonney Lake?

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

Avg: 4.00 pCi/L

Pierce County

EPA Zone 3

2 user tests

Bonney Lake is located in Pierce County, Washington. With 2 user-submitted readings averaging 4.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 98391 zip code.

4.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Bonney Lake, WA. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Bonney Lake, WA Radon Mitigation

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

Bonney Lake, WA Radon Testing

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

Bonney Lake, Washington Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
4 pCi/L	BONNEY LAKE, WA	0-20 Years	Partial Basement	Dec 2017

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

Bonney Lake Radon Facts

Key details about the radon risk profile for Bonney Lake and the 98391 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Pierce County, WA

Zip Code

98391

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

4.00 pCi/L

User Tests Submitted

Bonney Lake and the 98391 zip code are located in Pierce 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 Bonney Lake, WA

What is the average radon level in Bonney Lake, WA?

Based on 2 user-submitted tests, the average radon level in Bonney Lake is 4.00 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 Bonney Lake in?

Bonney Lake and the 98391 zip code are in Pierce County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Bonney Lake?

Radon mitigation in Bonney Lake 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 Bonney Lake?

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 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