Demarest, NJ Radon Mitigation and Testing

Q: What is the average radon level in Demarest, NJ?

Based on 1 user-submitted tests, the average radon level is 3.00 pCi/L.

Q: What EPA Radon Zone is Demarest in?

Demarest is in Bergen County, EPA Zone 2.

Q: How much does radon mitigation cost in Demarest?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Avg: 3.00 pCi/L

Bergen County

EPA Zone 2

1 user test

This Bergen County community in the New York City Metro area shows an average radon level of 3.0 pCi/L, safely within EPA recommended ranges. Built on glacial deposits and underlying bedrock typical of northern New Jersey, homes in zip code 07627 generally feature basements that can accumulate radon gas. Even with moderate average readings, individual home testing remains essential since radon levels can vary significantly between neighboring properties.

3.00

pCi/L average

Below EPA Action Level

Based on 1 user-submitted radon test for homes in Demarest, NJ. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Demarest, NJ Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Demarest, NJ Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Demarest, New Jersey Radon Levels

User-submitted radon test readings from homes in the Demarest area.

Radon Level	City	Home Age	Foundation	Submitted
3 pCi/L	Demarest, NJ	100+ Years	Partial Basement	May 2017

Have a radon test result for Demarest? Submit your reading to help other homeowners.

Demarest Radon Facts

Key details about the radon risk profile for Demarest and the 07627 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Bergen County, NJ

Zip Code

07627

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

3.00 pCi/L

User Tests Submitted

Demarest and the 07627 zip code are located in Bergen County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Demarest, NJ

What is the average radon level in Demarest, NJ?

Based on 1 user-submitted test, the average radon level in Demarest is 3.00 pCi/L. This is below the EPA's recommended action level of 4.0 pCi/L. However, we recommend all homes be tested regardless of your neighbor's results.

What EPA Radon Zone is Demarest in?

Demarest and the 07627 zip code are in Bergen County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Demarest?

Radon mitigation in Demarest typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Demarest?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in New Jersey

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Cherry Hill	6.44 pCi/L	9
Hillsborough	6.14 pCi/L	7
Freehold	10.50 pCi/L	6
Marlboro	6.17 pCi/L	6
Bernardsville	7.00 pCi/L	5
Phillipsburg	7.00 pCi/L	5
Edison	5.60 pCi/L	5
Princeton	5.40 pCi/L	5
Sussex	9.75 pCi/L	4
Piscataway	6.75 pCi/L	4
Caldwell	5.00 pCi/L	4
Atlantic Highlands	4.75 pCi/L	4
West Orange	4.00 pCi/L	4
Basking Ridge	3.75 pCi/L	4
Hackettstown	3.75 pCi/L	4
Livingston	3.25 pCi/L	4
Nutley	3.25 pCi/L	4
Sicklerville	7.00 pCi/L	3
Clifton	6.00 pCi/L	3
Westfield	6.00 pCi/L	3