Franklin, MA Radon Levels
Check local Franklin radon levels and find certified testing and mitigation professionals to keep your home safe
Franklin, MA Radon Facts
This Norfolk County community within the Boston Metro area shows an average radon level of 9.0 pCi/L based on 2 test submissions, significantly exceeding the EPA's 4.0 pCi/L action threshold. Franklin's 02038 zip code sits atop New England granite and metamorphic bedrock that contributes to elevated radon production throughout the region. The community's mix of historic homes and newer suburban development, many with full basements typical of Massachusetts construction, creates conditions where radon can accumulate to concerning levels requiring prompt mitigation.
Based on 2 user-submitted radon tests for homes in Franklin, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Franklin, MA 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 Franklin?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Norfolk County Pros
Franklin, MA Radon Levels
User-submitted radon test readings from homes in the Franklin area.
| Radon Level | City | Home Age | Foundation |
|---|---|---|---|
| 4 pCi/L | Franklin, MA | 51-99 Years | No Basement/All Crawl Space |
| 14 pCi/L | Franklin, MA | 51-99 Years | Full Basement |
Have a radon test result for Franklin? Submit your reading to help other homeowners.
Radon Readings Near Franklin, MA
Compare radon levels in Franklin with the closest nearby cities that have user-submitted test data.
Norfolk County Radon Profile
The soils and bedrock of Norfolk County place it in EPA Radon Zone 2, a moderate-risk classification with predicted indoor averages of 2 to 4 pCi/L. Homeowner-submitted tests from 17 cities in Norfolk County average 8.08 pCi/L across 25 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. Since radon is the second leading cause of lung cancer nationally, the EPA urges every household in Norfolk County to test, as levels can differ between neighboring homes.