Home · Updated November 2026

Radon Testing in New Jersey Homes

Radon is a naturally occurring radioactive gas that can build up indoors. The NJ Department of Environmental Protection recommends testing.

Testing

Short-term tests take a few days, usually as part of the buyer’s inspection. The NJDEP’s radon program lists certified testers and mitigators.

Mitigation

Systems typically vent soil gas from under the slab to above the roof with a fan. Retest after installation.

Disclosure

Sellers who have radon test results must share them with buyers.

Want help with this? I’m Abdul Raheem, a New Jersey Realtor with Realty of America. Call or text 551-580-4635, or start a quick plan.

General information, not legal, tax or lending advice. Rules change; confirm with your attorney, tax professional or lender.

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