Caldwell, NJ Radon Mitigation and Testing

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

Based on 4 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Caldwell in?

Caldwell is in Essex County, EPA Zone 2.

Q: How much does radon mitigation cost in Caldwell?

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

Avg: 5.00 pCi/L

Essex County

EPA Zone 2

4 user tests

Caldwell is located in Essex County, New Jersey. With 4 user-submitted readings averaging 5.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 07006 zip code.

5.00

pCi/L average

Above EPA Action Level

Based on 4 user-submitted radon tests for homes in Caldwell, NJ. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Caldwell, NJ Radon Mitigation

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

Caldwell, NJ Radon Testing

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

Caldwell, New Jersey Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
7 pCi/L	Caldwell, NJ	51-99 Years	Partial Basement	Nov 2025
5 pCi/L	Caldwell, NJ	21-50 Years	Full Basement	Sep 2024
4 pCi/L	Caldwell, NJ	100+ Years	Partial Basement	May 2018

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

Caldwell Radon Facts

Key details about the radon risk profile for Caldwell and the 07006 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Essex County, NJ

Zip Code

07006

Predicted Screening Level

2–4 pCi/L (Zone 2)

Avg. User Submitted Level

5.00 pCi/L

User Tests Submitted

Caldwell and the 07006 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 Caldwell, NJ

What is the average radon level in Caldwell, NJ?

Based on 4 user-submitted tests, the average radon level in Caldwell is 5.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Caldwell in?

Caldwell and the 07006 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 Caldwell?

Radon mitigation in Caldwell 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 Caldwell?

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