Dedham, MA Radon Levels
Check local Dedham radon levels and find certified testing and mitigation professionals to keep your home safe
Dedham, MA Radon Facts
Located in Norfolk County within the Boston Metro area, Dedham sits in EPA Zone 2 with moderate radon potential from New England's glacial soils and granite bedrock. The community's diverse housing stock spans colonial-era homes to modern suburban developments, with many featuring basements where radon can accumulate. Without specific testing data available for zip code 02026, residents should consider radon testing as part of routine home safety maintenance.
Norfolk County average: 8.08 pCi/L, based on 25 user-submitted tests across 17 cities in the county. No homeowner readings have been submitted for Dedham itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.
Dedham, MA Radon Mitigation
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Radon Readings Near Dedham, MA
No homeowner tests have been submitted for Dedham yet, so the closest user-submitted readings from neighboring communities are shown below. Radon varies by home — testing is the only way to know your level.
| Radon Level | City | Distance | Home Age | Foundation | Submitted |
|---|---|---|---|---|---|
| 5 pCi/L | Westwood, MA | 3.1 mi | 51-99 Years | Full Basement | Jun 2018 |
| 6 pCi/L | Roslindale, MA | 3.3 mi | 0-20 Years | Full Basement | Aug 2024 |
| 5 pCi/L | Norwood, MA | 4.4 mi | 51-99 Years | Full Basement | Sep 2016 |
| 7 pCi/L | Milton, MA | 4.5 mi | 51-99 Years | Full Basement | Jun 2020 |
| 4 pCi/L | Needham Heights, MA | 5.0 mi | — | Full Basement | Jun 2018 |
| 6 pCi/L | Needham, MA | 5.1 mi | 0-20 Years | No Basement/All Slab | Jul 2020 |
| 4 pCi/L | Newton Center, MA | 6.3 mi | 100+ Years | Full Basement | Jan 2022 |
| 5 pCi/L | Newton Center, MA | 6.3 mi | 0-20 Years | Full Basement | Oct 2020 |
Readings are drawn from the nearest cities with submitted data. Have a result for Dedham? Submit your reading to help your neighbors.
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.
Radon FAQ for Dedham, MA
What EPA Radon Zone is Dedham in?
Why are radon readings shown from areas near Dedham?
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Radon Levels Near Dedham, MA
User-submitted radon levels from the cities closest to Dedham with recorded test data. Explore nearby communities to compare local readings.
| City | Distance | Avg User Level | Submissions |
|---|---|---|---|
| Westwood | 3.1 mi | 5.00 pCi/L | 1 |
| Roslindale | 3.3 mi | 6.00 pCi/L | 1 |
| Norwood | 4.4 mi | 5.00 pCi/L | 1 |
| Milton | 4.5 mi | 7.00 pCi/L | 1 |
| Needham Heights | 5.0 mi | 4.00 pCi/L | 1 |
| Needham | 5.1 mi | 6.00 pCi/L | 1 |
| Newton Center | 6.3 mi | 4.50 pCi/L | 2 |
| Wellesley Hills | 7.3 mi | 8.50 pCi/L | 2 |