Woodland, WA Radon Levels
Check local Woodland radon levels and find certified testing and mitigation professionals to keep your home safe
Woodland, WA Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Clark County, WA
Zip Code
98674
Located in Clark County within the Portland Metro area, Woodland sits where Columbia River valley soils over volcanic bedrock can create variable radon conditions. Testing data remains limited for this community in zip code 98674, making individual home measurements essential for accurate radon assessment. The area's mix of older homes and newer construction may show different radon characteristics depending on foundation design and local geological conditions.
Woodland, WA 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 Woodland?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Clark County Pros
Radon FAQ for Woodland, WA
What EPA Radon Zone is Woodland in?
Woodland and the 98674 zip code are in Clark County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Woodland?
Radon mitigation in Woodland 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 Woodland?
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 in Washington with the most user-submitted radon test data, ranked by number of submissions.