Marlboro, NJ Radon Levels

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

Based on 6 user-submitted tests, the average radon level is 6.20 pCi/L.

Q: What EPA Radon Zone is Marlboro in?

Marlboro is in Monmouth County, EPA Zone 1.

Q: How much does radon mitigation cost in Marlboro?

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

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

Marlboro, NJ Radon Facts

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

County Monmouth County, NJ

Zip Code 07746

Avg. User Level 6.20 pCi/L

User Tests 6

Situated in Monmouth County within the New York City Metro area, Marlboro has recorded an average radon level of 6.17 pCi/L based on local testing data, which exceeds the EPA action level of 4.0 pCi/L. The community's predominantly suburban housing stock from the 1960s-1990s includes many homes with full basements where radon gas can accumulate in concerning concentrations. With readings in zip code 07746 ranging from 2.0 to 11.0 pCi/L, mitigation systems should be strongly considered for homes testing above the EPA threshold.

6.20

pCi/L average

Above EPA Action Level

Based on 6 user-submitted radon tests for homes in Marlboro, NJ. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Marlboro, NJ Radon Mitigation

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

Need Radon Mitigation or Testing in Marlboro?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Monmouth County Pros

1-800-299-3578 732-979-2523 (local) Toll-free · Mon–Fri 8am–6pm ET

Marlboro, NJ Radon Levels

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

Radon Level	City	Home Age	Foundation
2 pCi/L	Marlboro, NJ	21-50 Years	Partial Basement
4 pCi/L	Marlboro, NJ	21-50 Years	Full Basement
6 pCi/L	Marlboro, NJ	0-20 Years	Full Basement
10 pCi/L	Marlboro, NJ	21-50 Years	Partial Basement
11 pCi/L	Marlboro, NJ	21-50 Years	Full Basement

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

Radon FAQ for Marlboro, NJ

What is the average radon level in Marlboro, NJ?

Based on 6 user-submitted tests, the average radon level in Marlboro is 6.20 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 Marlboro in?

Marlboro and the 07746 zip code are in Monmouth 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 Marlboro?

Radon mitigation in Marlboro 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 Marlboro?

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

Marlboro, NJ Radon Levels

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

Marlboro, NJ Radon Facts

Marlboro, NJ Radon Mitigation

Need Radon Mitigation or Testing in Marlboro?

Marlboro, NJ Radon Levels

Radon FAQ for Marlboro, NJ

Most Active Radon Markets in New Jersey

Free Radon Mitigation Quote

Free Radon Mitigation Quote