Rio Grande, NJ Radon Mitigation and Testing

Q: What EPA Radon Zone is Rio Grande in?

Rio Grande is in Cape May County, EPA Zone 3.

Q: How much does radon mitigation cost in Rio Grande?

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

Cape May County

EPA Zone 3

Located in Cape May County within the Atlantic City Metro area, Rio Grande sits on coastal plain sediments that typically produce lower radon levels than inland New Jersey regions. Testing data for zip code 08242 is currently limited, but the EPA Zone 3 classification reflects the generally low radon potential common to southern New Jersey's coastal areas. While risk appears lower, homeowners should still verify conditions through professional testing.

Rio Grande, NJ Radon Mitigation

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

Rio Grande, NJ Radon Testing

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

Rio Grande Radon Facts

Key details about the radon risk profile for Rio Grande and the 08242 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Cape May County, NJ

Zip Code

08242

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Rio Grande and the 08242 zip code are located in Cape May County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Rio Grande, NJ

What EPA Radon Zone is Rio Grande in?

Rio Grande and the 08242 zip code are in Cape May County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.

How much does radon mitigation cost in Rio Grande?

Radon mitigation in Rio Grande 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 Rio Grande?

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