Certified radon testing companies in Hunterdon County, NJ

Radon note for Hunterdon County: 23 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:

• Alexandria Township

  672 homes tested · 38% ≥ 4 pCi/L

• Bethlehem Township

  732 homes tested · 45% ≥ 4 pCi/L

• Bloomsbury Borough

  518 homes tested · 45% ≥ 4 pCi/L

• Califon Borough

  1236 homes tested · 49% ≥ 4 pCi/L

• Clinton Town Clinton Township

  5885 homes tested · 36% ≥ 4 pCi/L

• Delaware Township

  668 homes tested · 42% ≥ 4 pCi/L

• East Amwell Township

  1314 homes tested · 43% ≥ 4 pCi/L

• Flemington Borough

  6641 homes tested · 35% ≥ 4 pCi/L

• Franklin Township

  1317 homes tested · 41% ≥ 4 pCi/L

• Frenchtown Borough

  658 homes tested · 30% ≥ 4 pCi/L

• Glen Gardner Borough

  921 homes tested · 39% ≥ 4 pCi/L

• Hampton Borough

  1251 homes tested · 43% ≥ 4 pCi/L

• High Bridge Borough

  1355 homes tested · 43% ≥ 4 pCi/L

• Holland Township

  815 homes tested · 43% ≥ 4 pCi/L

• Kingwood Township

  524 homes tested · 26% ≥ 4 pCi/L

• Lambertville City

  1422 homes tested · 26% ≥ 4 pCi/L

• Lebanon Borough and Lebanon Township

  2640 homes tested · 41% ≥ 4 pCi/L

• Milford Borough

  1210 homes tested · 42% ≥ 4 pCi/L

• Raritan Township

  3920 homes tested · 35% ≥ 4 pCi/L

• Readington Township

  4041 homes tested · 40% ≥ 4 pCi/L

• Stockton Borough

  888 homes tested · 40% ≥ 4 pCi/L

• Tewksbury Township

  1538 homes tested · 46% ≥ 4 pCi/L

• West Amwell Township

  295 homes tested · 34% ≥ 4 pCi/L