Washington, NJ Radon Levels

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

Based on 3 user-submitted tests, the average radon level is 5.00 pCi/L.

Q: What EPA Radon Zone is Washington in?

Washington is in Warren County, EPA Zone 1.

Q: How much does radon mitigation cost in Washington?

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

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

Washington, NJ Radon Facts

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

County Warren County, NJ

Zip Code 07882

Avg. User Level 5.00 pCi/L

User Tests 3

Located in Warren County within both the Allentown and New York City metro areas, Washington shows an average radon level of 5.0 pCi/L that exceeds EPA recommendations. The community sits on Appalachian foothills terrain with complex geological formations that contribute to elevated radon production. Homes in zip code 07882, representing a mix of historic and modern construction with predominantly full basements, require testing and likely mitigation measures.

5.00

pCi/L average

Above EPA Action Level

Based on 3 user-submitted radon tests for homes in Washington, NJ. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Washington, NJ Radon Mitigation

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Washington, NJ Radon Levels

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

Radon Level	City	Home Age	Foundation
4 pCi/L	Washington, NJ	100+ Years	Full Basement
6 pCi/L	Washington, NJ	51-99 Years	Full Basement
5 pCi/L	Washington, NJ	100+ Years	Full Basement

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

Radon FAQ for Washington, NJ

What is the average radon level in Washington, NJ?

Based on 3 user-submitted tests, the average radon level in Washington is 5.00 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 Washington in?

Washington and the 07882 zip code are in Warren 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 Washington?

Radon mitigation in Washington 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 Washington?

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

Washington, NJ Radon Levels

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

Washington, NJ Radon Facts

Washington, NJ Radon Mitigation

Need Radon Mitigation or Testing in Washington?

Washington, NJ Radon Levels

Radon FAQ for Washington, NJ

Most Active Radon Markets in New Jersey

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