Topsfield, ME Radon Levels
Check local Topsfield radon levels and find certified testing and mitigation professionals to keep your home safe
Topsfield, ME Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Washington County, ME
Zip Code
04490
Located in rural Washington County near Maine's eastern border, Topsfield (04490) currently has limited radon testing data available. The area's granite bedrock and glacial till soils are known to produce elevated radon levels throughout the region, making professional testing essential for homeowners. Given the geological conditions typical of eastern Maine, residents should prioritize radon testing regardless of their home's age or foundation type.
Topsfield, ME Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Radon FAQ for Topsfield, ME
What EPA Radon Zone is Topsfield in?
Topsfield and the 04490 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 Topsfield?
Radon mitigation in Topsfield 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 Topsfield?
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 Maine
Cities in Maine with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Rumford | 6.00 pCi/L | 4 |
| York | 8.50 pCi/L | 2 |
| Saco | 7.50 pCi/L | 2 |
| Hampden | 4.50 pCi/L | 2 |
| Scarborough | 14.00 pCi/L | 1 |
| Kittery | 12.00 pCi/L | 1 |
| South Portland | 10.00 pCi/L | 1 |
| Portland | 4.00 pCi/L | 1 |