Certified radon testing companies in Camden County, NJ

✓ 2 companies based in Camden County, from the NJDEP Radon Certification Program (retrieved 2026-07-17). Companies based in neighboring counties often serve here too — see the full New Jersey list.

Radon note for Camden County: 4 municipalities here are NJDEP Tier 1 (high radon potential). Testing is the only way to know your home's level — see your town's published test data:

Lawnside Borough
69 homes tested · 42% ≥ 4 pCi/L
Magnolia Borough
362 homes tested · 30% ≥ 4 pCi/L
Runnemede Borough
481 homes tested · 31% ≥ 4 pCi/L
Somerdale Borough
632 homes tested · 26% ≥ 4 pCi/L

Company	Location	Certifications	License #
Hera Environmental LLC	Cherry Hill, NJ	measurementmitigation	MEB93466, MIB93466
Rock-Well Environmental Inc.	Somerdale, NJ	mitigation	MIB90104

FAQs

How many certified radon testing companies are in Camden County?

2 companies in the NJDEP Radon Certification Program are based in Camden County as of 2026-07-17. Companies based elsewhere in New Jersey also commonly serve the county.

Which Camden County towns have high radon potential?

NJDEP designates 4 Camden County municipalities as Tier 1 (high radon potential): Lawnside Borough, Magnolia Borough, Runnemede Borough, Somerdale Borough.

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