Cedar Knolls, NJ Radon Levels
Check local Cedar Knolls radon levels and find certified testing and mitigation professionals to keep your home safe
Cedar Knolls, NJ Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Morris County, NJ
Zip Code
07927
Located in Morris County within the New York City metro area, Cedar Knolls currently has no available radon testing data for zip code 07927. The community's position in New Jersey's EPA Zone 1 indicates high radon potential, reflecting the area's complex geology of glacial deposits over crystalline bedrock. Given the county's history of elevated radon readings, residents should prioritize professional testing, particularly for homes with basements or lower-level living spaces.
Cedar Knolls, 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 Cedar Knolls, NJ
What EPA Radon Zone is Cedar Knolls in?
Cedar Knolls and the 07927 zip code are in Morris 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 Cedar Knolls?
Radon mitigation in Cedar Knolls 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 Cedar Knolls?
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 |