Hunterdon County · 25 of 26 towns NJDEP Tier 1 Action level 4.0 pCi/L Free for homeowners — paid by the crews
Hunterdon RadonTesting & mitigation

Whitehouse Station, Readington Township

Active sub-slab depressurization in Whitehouse Station

One or more suction points through the slab, sealed pipe to above the roofline, and a fan outside the living space. The system most Hunterdon houses get.

Whitehouse Station owners ask about active sub-slab depressurization more than you would think for a town this size.

What people describe first

  • A sale is under contract and the buyer's radon result triggered a repair request
  • Cracks and utility penetrations through a slab you can see daylight around
  • A test came back at or above 4.0 pCi/L on a basement or slab home

Why this comes up in Whitehouse Station

Village addresses and the roads out from them can differ. A well here draws from the shale beneath the village, which is also where the soil gas originates.

Readington Township — the state's own numbers

40% of the 4,041 test results NJDEP holds for Readington Township were at or above the 4.0 pCi/L action level — 1,635 of them. That puts it in Tier 1 — high potential.

A compact older village core near the station with substantial later single-family development on the surrounding roads.

Practicalities in Whitehouse Station

Village lots are modest but workable; the surrounding development has generous side access.

Construction permits go through Readington Township, and installing radon mitigation for a fee anywhere in New Jersey requires NJDEP certification.

The usual approach

The standard fix. A suction point is cut through the slab, pipe is run up through the house or along an exterior wall, and an in-line fan mounted outside conditioned space pulls soil gas from under the floor and discharges it above the roofline. Sizing follows a diagnostic reading of how permeable the fill under the slab actually is, not the square footage of the house.

Typical cost in Hunterdon County, NJ

$1,200 – $2,600 — typical range, not a quote. What your building needs can only be settled by a certified business that measures it on site.

The right answer depends on your specific building, which is why somebody has to measure it.

Who is allowed to do this in New Jersey

Under N.J.A.C. 7:28-27 this is not work a general contractor may take on. It requires a business certified by NJDEP for radon mitigation, with a certified mitigation specialist directing the work. We verify that on the state register, note the date, and route accordingly — but a verified certification is a fact, not a recommendation.

Never tested, and wondering whether to?

Write down what the system is doing and what the re-test said. We'll get it to crews who diagnose rather than guess.

Get quotes in Whitehouse Station →

Related

Also common in Whitehouse Station

Other work in Whitehouse Station

Same ground, different question.

Active sub-slab depressurization nearby

Neighbouring towns on the same ground.