Radon note for Somerset County: 14 municipalities here are NJDEP Tier 1 (high radon potential). Testing is the only way to know your home's level — see your town's published test data:
9660 homes tested · 32% ≥ 4 pCi/L
2895 homes tested · 48% ≥ 4 pCi/L
4997 homes tested · 40% ≥ 4 pCi/L
10721 homes tested · 25% ≥ 4 pCi/L
688 homes tested · 38% ≥ 4 pCi/L
11866 homes tested · 31% ≥ 4 pCi/L
11654 homes tested · 32% ≥ 4 pCi/L
218 homes tested · 28% ≥ 4 pCi/L
4983 homes tested · 41% ≥ 4 pCi/L
784 homes tested · 53% ≥ 4 pCi/L
264 homes tested · 45% ≥ 4 pCi/L
3365 homes tested · 18% ≥ 4 pCi/L
3866 homes tested · 31% ≥ 4 pCi/L
1747 homes tested · 35% ≥ 4 pCi/L
| Company | Location | Certifications | License # |
|---|---|---|---|
| Home Total Service Ltd (Hts Ltd) | Pluckemin, NJ | mitigation | MIB93296 |
| Soos Radon & Electric, Inc | Hillsborough, NJ | mitigation | MIB90027 |
2 companies in the NJDEP Radon Certification Program are based in Somerset County as of 2026-07-17. Companies based elsewhere in New Jersey also commonly serve the county.
NJDEP designates 14 Somerset County municipalities as Tier 1 (high radon potential): Bernards Township, Bernardsville Borough, Branchburg Township, Bridgewater Township, Far Hills Borough, Franklin Township, Hillsborough Township, Millstone Borough, Montgomery Township, Peapack Gladstone Borough, Rocky Hill Borough, Somerville Borough, and more.
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