Helix, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is Helix in?

Helix is in Umatilla County, EPA Zone 2.

Q: How much does radon mitigation cost in Helix?

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

Umatilla County

EPA Zone 2

Helix, OR resides in Umatilla 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. Testing is recommended for all homes in the 97835 zip code area.

Helix, OR Radon Mitigation

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

Helix, OR Radon Testing

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

Helix Radon Facts

Key details about the radon risk profile for Helix and the 97835 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Umatilla County, OR

Zip Code

97835

Predicted Screening Level

2–4 pCi/L (Zone 2)

Helix and the 97835 zip code are located in Umatilla 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 Helix, OR

What EPA Radon Zone is Helix in?

Helix and the 97835 zip code are in Umatilla 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 Helix?

Radon mitigation in Helix 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 Helix?

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 Oregon

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

City	Avg User Radon Level	Submissions
Corvallis	5.60 pCi/L	5
Astoria	9.25 pCi/L	4
La Grande	10.67 pCi/L	3
Bend	3.33 pCi/L	3
Salem	9.00 pCi/L	2
Eugene	7.00 pCi/L	2
Medford	7.00 pCi/L	1
Dundee	6.00 pCi/L	1
Ashland	4.00 pCi/L	1
Portland	4.00 pCi/L	1
Lincoln City	No submissions	0
West Linn	No submissions	0