short-term radon test in Frenchtown usually starts with a number somebody was not expecting.
When this is the right question
- A buyer or a lender has asked for a radon test before closing
- A neighbour tested high and you have never tested at all
- You finished a basement and want to know what you have been sitting in
Why this comes up in Frenchtown
Here is what makes Frenchtown particular: the village core is on a borough supply; the slope behind it is less uniform. A well there draws from the rock at the western margin of the basin.
Frenchtown Borough — the state's own numbers
30% of the 658 test results NJDEP holds for Frenchtown Borough were at or above the 4.0 pCi/L action level — 195 of them. That puts it in Tier 1 — high potential.
A compact 19th century village core of frame and stone houses on small lots, with later building on the slopes behind it.
Practicalities in Frenchtown
Small village lots close to the street; more room on the higher ground behind the centre.
Construction permits go through Frenchtown Borough, and installing radon mitigation for a fee anywhere in New Jersey requires NJDEP certification.
How it's normally done
A short-term test means a sealed-house condition for at least 48 hours with a continuous monitor or a pair of charcoal detectors placed at the lowest lived-in level. The house has to stay closed the whole time, which is the part that most often invalidates a result. In New Jersey the placement and the reading both have to be done by a certified measurement business for the result to count in a real-estate transaction.
Typical cost in Hunterdon County, NJ
$150 – $325 — typical range, not a quote. What your building needs can only be settled by a certified business that measures it on site.
Local experience matters here — the ground under Frenchtown does not behave like the other end of the county.
New Jersey requires certification for this
Measurement is certified separately from mitigation. Under N.J.A.C. 7:28-27, testing for radon for a fee in New Jersey requires NJDEP certification as a radon measurement business. A crew certified to install systems is not thereby certified to place and read the detectors. We only route this work to businesses we have checked on the measurement side.
Never tested, and wondering whether to?
Send us the reading and your town. We'll pass it to certified local crews and get out of the way. Free, and you're not committing to anything.
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What tends to travel with this
Other work in Frenchtown
Same ground, different question.
Short-term radon test nearby
Neighbouring towns on the same ground.