Littleton, MA Radon Mitigation and Testing
Positioned in Middlesex County within the Boston Metro area, Littleton shows an average radon level of 9.4 pCi/L, more than double the EPA action threshold. The town's location on granite bedrock and glacial till creates geological conditions highly conducive to radon production. Residents across ZIP code 01460 should prioritize radon testing, especially given the area's mix of older colonial homes and newer construction with basement foundations.
Based on 5 user-submitted radon tests for homes in Littleton, MA. The EPA recommends taking action at or above 4.0 pCi/L.
Littleton, MA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Littleton, MA Radon Testing
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Littleton, Massachusetts Radon Levels
User-submitted radon test readings from homes in the Littleton area.
| Radon Level | City | Home Age | Foundation | Submitted |
|---|---|---|---|---|
| 3 pCi/L | Littleton, MA | 51-99 Years | Full Basement | Sep 2025 |
| 6 pCi/L | Littleton, MA | 100+ Years | Full Basement | Jul 2025 |
| 18 pCi/L | Littleton, MA | 21-50 Years | Full Basement | Oct 2022 |
| 10 pCi/L | Littleton, MA | 21-50 Years | Full Basement | Aug 2020 |
Have a radon test result for Littleton? Submit your reading to help other homeowners.
Littleton Radon Facts
Key details about the radon risk profile for Littleton and the 01460 zip code area.
Littleton and the 01460 zip code are located in Middlesex County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.
Radon FAQ for Littleton, MA
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Most Active Radon Markets in Massachusetts
Cities with the most user-submitted radon test data in the state.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Littleton | 9.40 pCi/L | 5 |
| Gloucester | 8.40 pCi/L | 5 |
| Florence | 7.40 pCi/L | 5 |
| Douglas | 12.00 pCi/L | 4 |
| Weymouth | 8.50 pCi/L | 4 |
| Mashpee | 5.00 pCi/L | 4 |
| Natick | 5.00 pCi/L | 4 |
| Worcester | 17.67 pCi/L | 3 |
| Attleboro | 10.00 pCi/L | 3 |
| Stoneham | 9.67 pCi/L | 3 |
| Hopkinton | 9.33 pCi/L | 3 |
| Medford | 8.00 pCi/L | 3 |
| Boxford | 6.67 pCi/L | 3 |
| Reading | 5.67 pCi/L | 3 |
| Haverhill | 5.00 pCi/L | 3 |
| Melrose | 5.00 pCi/L | 3 |
| Somerville | 4.33 pCi/L | 3 |
| Woburn | 19.00 pCi/L | 2 |
| Marlborough | 13.50 pCi/L | 2 |
| Cohasset | 11.50 pCi/L | 2 |