North Plains, OR Radon Levels
Check local North Plains radon levels and find certified testing and mitigation professionals to keep your home safe
North Plains, OR Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Washington County, OR
Zip Code
97133
Located in Washington County within the Portland Metro area, North Plains sits on sedimentary deposits of the Tualatin Valley. Testing data for radon levels in ZIP code 97133 remains limited, making individual home testing advisable for residents in this growing community. The area's rural-suburban character and varying soil conditions can create diverse radon entry patterns.
North Plains, OR 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 North Plains?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Washington County Pros
Radon FAQ for North Plains, OR
What EPA Radon Zone is North Plains in?
North Plains and the 97133 zip code are in Washington 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 North Plains?
Radon mitigation in North Plains 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 North Plains?
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 in Oregon with the most user-submitted radon test data, ranked by number of submissions.