Montclair, NJ Radon Mitigation and Testing

Q: What EPA Radon Zone is Montclair in?

Montclair is in Essex County, EPA Zone 2.

Q: How much does radon mitigation cost in Montclair?

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

Essex County

EPA Zone 2

This well-established Essex County community in zip codes 07042 and 07043 combines historic charm with modern suburban convenience within the New York City Metro area. While specific radon testing data for Montclair is currently limited, residents should consider testing given New Jersey's geological complexity and the area's mix of older and newer housing stock. The township's hilly terrain and varied foundation types can create different radon risk profiles across neighborhoods.

Montclair, NJ Radon Mitigation

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

Montclair, NJ Radon Testing

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

Montclair Radon Facts

Key details about the radon risk profile for Montclair and the 07042 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Essex County, NJ

Zip Code

07042

Predicted Screening Level

2–4 pCi/L (Zone 2)

Montclair and the 07042 zip code are located in Essex 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 Montclair, NJ

What EPA Radon Zone is Montclair in?

Montclair and the 07042 zip code are in Essex 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 Montclair?

Radon mitigation in Montclair 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 Montclair?

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