Andover, NJ Radon Levels

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

Based on 1 user-submitted tests, the average radon level is 9.00 pCi/L.

Q: What EPA Radon Zone is Andover in?

Andover is in Sussex County, EPA Zone 1.

Q: How much does radon mitigation cost in Andover?

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

Check local Andover radon levels and find certified testing and mitigation professionals to keep your home safe

Andover, NJ Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Sussex County, NJ

Zip Code 07821

Avg. User Level 9.00 pCi/L

User Tests 1

Located in Sussex County and serving both the Allentown and New York City metro areas, Andover sits in New Jersey's Highlands region where granite and gneiss bedrock create high radon potential. Current testing data for the 07821 area is limited, but the region's geological setting demands homeowner attention to radon assessment. The community's mix of seasonal and year-round homes, many with full basements typical of this mountainous region, should undergo professional radon testing.

9.00

pCi/L average

Above EPA Action Level

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

4.0 EPA

10+

Andover, NJ Radon Mitigation

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

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Radon FAQ for Andover, NJ

What is the average radon level in Andover, NJ?

Based on 1 user-submitted test, the average radon level in Andover is 9.00 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 Andover in?

Andover and the 07821 zip code are in Sussex County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Andover?

Radon mitigation in Andover 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 Andover?

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 in New Jersey with the most user-submitted radon test data, ranked by number of submissions.

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