Sparta, NJ Radon Levels

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

Based on 2 user-submitted tests, the average radon level is 5.50 pCi/L.

Q: What EPA Radon Zone is Sparta in?

Sparta is in Sussex County, EPA Zone 1.

Q: How much does radon mitigation cost in Sparta?

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

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

Sparta, NJ Radon Facts

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

County Sussex County, NJ

Zip Code 07871

Avg. User Level 5.50 pCi/L

User Tests 2

Located in Sussex County within the New York City Metro area, Sparta sits atop Precambrian gneiss and granite formations typical of New Jersey's Highlands region. Recent testing data shows an average radon level of 5.5 pCi/L, which exceeds the EPA action level of 4.0 pCi/L. Many homes in the 07871 area feature basement foundations carved into the crystalline bedrock, creating conditions where radon can accumulate and require professional mitigation.

5.50

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Sparta, NJ. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Sparta, NJ Radon Mitigation

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Sparta, NJ Radon Levels

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

Radon Level	City	Home Age	Foundation
3 pCi/L	Sparta, NJ	—	—
8 pCi/L	Sparta, NJ	0-20 Years	Full Basement

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Radon FAQ for Sparta, NJ

What is the average radon level in Sparta, NJ?

Based on 2 user-submitted tests, the average radon level in Sparta is 5.50 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 Sparta in?

Sparta and the 07871 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 Sparta?

Radon mitigation in Sparta 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 Sparta?

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

Sparta, NJ Radon Levels

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

Sparta, NJ Radon Facts

Sparta, NJ Radon Mitigation

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Sparta, NJ Radon Levels

Radon FAQ for Sparta, NJ

Most Active Radon Markets in New Jersey

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