Radon levels in Bergen County, New Jersey

LowEPA Zone 2

Predicted long-term basement average of 1.2 pCi/L (model estimate) across 66 ZIP codes - about 34% below the US average of 1.8, close to the New Jersey average of 1.3. Ranked #18 of 21 New Jersey counties.

Test Bergen County, NJ once anyway - radon varies house to house

The predicted basement average here is 1.2 pCi/L, below the EPA's 2 pCi/L "consider fixing" threshold. That's good news for the area - but the EPA still recommends every home be tested, because foundation cracks, soil pockets and ventilation make one house very different from its neighbor. One inexpensive kit settles it.

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Predicted (model estimate). The pCi/L figures on this page are long-term area averages from a peer-reviewed national model built on millions of real radon tests (2001-2021). They describe the typical home in this area - not your home, which can be several times higher or lower. The EPA radon zone is a separate, 1993 county-level classification. How the numbers work.

1.2 ± 0.05

pCi/L predicted basement mean (model SD)

0.7 ± 0.07

pCi/L predicted upstairs (above-ground) mean

0.8-1.5

range of ZIP-level basement predictions in the county

What this means for Bergen

The typical Bergen County home is predicted below 2 pCi/L, the lowest band. That is the best case an area can show - but it describes the average house, and the ZIP-level predictions within the county still span 0.8 to 1.5 pCi/L.

Note that the EPA classifies Bergen County as Zone 2 while the newer model predicts 1.2 pCi/L. The zone map predates two decades of test data; where they disagree, we grade on the model but show both. County figures weight each ZIP by its 2010 Census population, so they describe where people live rather than empty land.

Comparable New Jersey counties: Passaic County (1.2), Ocean County (1.2), Essex County (1.2), Atlantic County (1.2). The state's highest is Warren County at 2.3 pCi/L.

ZIP codes in Bergen County

Predicted basement and upstairs means by ZIP (model estimate). ZIPs whose land is mostly in this county.

ZIPBasementUpstairsGrade
076011.1 ± 0.060.7Low
076661.2 ± 0.050.7Low
070241.1 ± 0.050.6Low
074101.2 ± 0.060.7Low
070260.8 ± 0.070.6Low
076311.2 ± 0.050.6Low
076211.2 ± 0.050.7Low
076521.3 ± 0.050.7Low
076751.4 ± 0.050.8Low
074301.4 ± 0.050.7Low
074501.3 ± 0.050.6Low
076441.0 ± 0.090.6Low
070101.1 ± 0.060.6Low
070711.1 ± 0.060.6Low
076501.2 ± 0.060.6Low
074071.1 ± 0.050.6Low
070701.2 ± 0.050.6Low
076281.2 ± 0.060.7Low
074811.3 ± 0.050.7Low
076461.2 ± 0.060.7Low
070311.1 ± 0.060.6Low
076701.3 ± 0.050.7Low
074461.3 ± 0.050.7Low
070221.1 ± 0.060.6Low
076631.2 ± 0.050.6Low
074361.5 ± 0.060.8Low
076601.2 ± 0.050.6Low
076041.2 ± 0.050.7Low
074521.2 ± 0.050.7Low
070201.0 ± 0.060.6Low
074581.3 ± 0.050.8Low
076611.3 ± 0.050.7Low
070571.1 ± 0.060.6Low
076571.1 ± 0.060.6Low
076431.1 ± 0.060.6Low
074171.4 ± 0.050.8Low
076421.3 ± 0.060.7Low
074631.3 ± 0.060.7Low
076071.2 ± 0.050.6Low
076761.2 ± 0.050.7Low
076051.2 ± 0.050.6Low
070731.0 ± 0.060.6Low
076561.3 ± 0.050.7Low
076261.4 ± 0.050.8Low
076241.4 ± 0.050.8Low
076031.1 ± 0.070.7Low
076491.3 ± 0.050.7Low
076451.4 ± 0.050.7Low
070751.3 ± 0.050.7Low
076301.3 ± 0.050.7Low
074321.3 ± 0.050.7Low
074011.4 ± 0.050.8Low
070721.0 ± 0.080.6Low
076481.5 ± 0.050.8Low
076771.3 ± 0.050.8Low
076621.3 ± 0.060.7Low
076321.2 ± 0.050.7Low
076471.4 ± 0.050.8Low
076271.4 ± 0.060.8Low
076401.3 ± 0.050.8Low
074231.4 ± 0.050.8Low
076411.3 ± 0.050.8Low
070741.2 ± 0.060.7Low
076060.8 ± 0.070.6Low
076201.4 ± 0.050.8Low
076081.3 ± 0.060.6Low

If your test comes back at 4 pCi/L or higher

Mitigation is a routine job: a fan-driven pipe that vents soil gas from under the slab to above the roofline, typically $800-$2,500 installed (typical range; local quotes vary). Use certified professionals: EPA find-a-professional. Read the full mitigation guide.

Bergen County radon questions

Is radon high in Bergen County, New Jersey?
Low. The model predicts a long-term basement average of 1.2 pCi/L in Bergen County (about 34% below the US average of 1.8 and close to the New Jersey average of 1.3). That is below the EPA's 2 pCi/L "consider fixing" threshold, though individual homes still vary. Ranked 18 of 21 New Jersey counties.
Should I test for radon in Bergen County?
Yes, once. The EPA recommends testing every home regardless of area, and the model's ZIP-level predictions in Bergen County already range from 0.8 to 1.5 pCi/L. A short-term kit costs little and settles the question for your house.
What does EPA Radon Zone 2 mean for Bergen County?
Zone 2 - moderate potential (2-4 pCi/L). The zone map dates from 1993 and classifies whole counties. The newer model's predicted average of 1.2 pCi/L does not line up with Zone 2, which is common - the EPA itself says high-radon homes exist in every zone. Neither replaces a test of your own home.
How much does radon mitigation cost in Bergen County?
A standard active sub-slab depressurization system typically runs $800-$2,500 installed nationally; New Jersey quotes vary with foundation type (slab, crawlspace, basement), home size and local labor. Get two or three bids from certified mitigators listed by your state radon program or the EPA's find-a-professional page.

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