Goldendale, WA Radon Mitigation and Testing

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

Based on 2 user-submitted tests, the average radon level is 12.00 pCi/L.

Q: What EPA Radon Zone is Goldendale in?

Goldendale is in Klickitat County, EPA Zone 2.

Q: How much does radon mitigation cost in Goldendale?

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

Avg: 12.00 pCi/L

Klickitat County

EPA Zone 2

2 user tests

Situated in south-central Washington's Klickitat County, Goldendale sits on Columbia River basalt formations that can produce surprisingly elevated radon levels in certain areas. Local testing reveals an average radon concentration of 12.0 pCi/L, which significantly exceeds the EPA action level of 4.0 pCi/L. Homeowners in zip code 98620 should prioritize radon testing and mitigation, as the area's volcanic geology creates conditions conducive to radon accumulation.

12.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Goldendale, WA Radon Mitigation

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

Goldendale, WA Radon Testing

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

Goldendale, Washington Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
12 pCi/L	Goldendale, WA	0-20 Years	No Basement/All Slab	May 2024

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

Goldendale Radon Facts

Key details about the radon risk profile for Goldendale and the 98620 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Klickitat County, WA

Zip Code

98620

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

12.00 pCi/L

User Tests Submitted

Goldendale and the 98620 zip code are located in Klickitat County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Goldendale, WA

What is the average radon level in Goldendale, WA?

Based on 2 user-submitted tests, the average radon level in Goldendale is 12.00 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 Goldendale in?

Goldendale and the 98620 zip code are in Klickitat County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Goldendale?

Radon mitigation in Goldendale 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 Goldendale?

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