Best Radon Testing in New Brunswick, NJ
Compare 18 local radon testing providers in New Brunswick. Verified listings with real contact info.
18 services listed
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Inspection21 Home Inspection School
46 Bayard St, New Brunswick, NJ 08901
4.9 ★
29 reviews
Jay's Home and Property Inspections, LLC
224 Magnolia St, Highland Park, NJ 08904
Monday: 7:30 AM – 10:00 PM | Tuesday: 7:30 AM – 10:00 PM | Wednesday: 7:30 AM – 10:00 PM | Thursday: 7:30 AM – 10:00 PM | Friday: 7:30 AM – 10:00 PM | Saturday: 7:30 AM – 10:00 PM | Sunday: 7:30 AM – 10:00 PM
5 ★
21 reviews
ARK Home Inspections LLC
Northam Dr, North Brunswick Township, NJ 08902
Monday: 7:00 AM – 9:00 PM | Tuesday: 7:00 AM – 9:00 PM | Wednesday: 7:00 AM – 9:00 PM | Thursday: 7:00 AM – 9:00 PM | Friday: 7:00 AM – 9:00 PM | Saturday: 7:00 AM – 9:00 PM | Sunday: 7:00 AM – 9:00 PM
5 ★
25 reviews
Hive Home Inspections LLC
316 Church Ln, North Brunswick Township, NJ 08902
Monday: Open 24 hours | Tuesday: Open 24 hours | Wednesday: Open 24 hours | Thursday: Open 24 hours | Friday: Open 24 hours | Saturday: Open 24 hours | Sunday: Open 24 hours
5 ★
103 reviews
All Jersey Inspection
18 Celentano Ct, South Plainfield, NJ 07080
Monday: 8:00 AM – 6:00 PM | Tuesday: 8:00 AM – 6:00 PM | Wednesday: 8:00 AM – 6:00 PM | Thursday: 8:00 AM – 6:00 PM | Friday: 8:00 AM – 6:00 PM | Saturday: 10:00 AM – 4:00 PM | Sunday: Closed
5 ★
542 reviews
Radon Removal
776 Jernee Mill Rd #128, Sayreville, NJ 08872
Monday: Open 24 hours | Tuesday: Open 24 hours | Wednesday: Open 24 hours | Thursday: Open 24 hours | Friday: Open 24 hours | Saturday: Open 24 hours | Sunday: Closed
4.9 ★
425 reviews
Jersey Radon & Water
100 Somerset Corporate Blvd, Bridgewater, NJ 08807
Monday: 8:00 AM – 10:00 PM | Tuesday: 8:00 AM – 10:00 PM | Wednesday: 8:00 AM – 10:00 PM | Thursday: 8:00 AM – 10:00 PM | Friday: 8:00 AM – 10:00 PM | Saturday: Closed | Sunday: Closed
5 ★
464 reviews
Keys Home Inspection LLC
929 Harding St, Westfield, NJ 07090
Monday: 8:00 AM – 6:00 PM | Tuesday: 8:00 AM – 6:00 PM | Wednesday: 8:00 AM – 6:00 PM | Thursday: 8:00 AM – 6:00 PM | Friday: 8:00 AM – 6:00 PM | Saturday: 8:00 AM – 1:00 PM | Sunday: Closed
5 ★
442 reviews
Hera Environmental Laboratories (Princeton)
100 Overlook Center 2nd Floor, Princeton, NJ 08540
Monday: 8:00 AM – 5:00 PM | Tuesday: 8:00 AM – 5:00 PM | Wednesday: 8:00 AM – 5:00 PM | Thursday: 8:00 AM – 5:00 PM | Friday: 8:00 AM – 5:00 PM | Saturday: Closed | Sunday: Closed
5 ★
18 reviews
Inspector Seltzer
7 Center St, Bernardsville, NJ 07924
Monday: Open 24 hours | Tuesday: Open 24 hours | Wednesday: Open 24 hours | Thursday: Open 24 hours | Friday: Open 24 hours | Saturday: Open 24 hours | Sunday: Open 24 hours
5 ★
112 reviews
Blair Inspection Services LLC
75 Main St STE 201, Millburn, NJ 07041
Monday: 6:00 AM – 10:00 PM | Tuesday: 6:00 AM – 10:00 PM | Wednesday: 6:00 AM – 10:00 PM | Thursday: 6:00 AM – 10:00 PM | Friday: 6:00 AM – 10:00 PM | Saturday: 6:00 AM – 10:00 PM | Sunday: 6:00 AM – 10:00 PM
5 ★
78 reviews
Certified Environmental Contractors
918 NJ-33 Suite 2, Freehold, NJ 07728
Monday: 8:00 AM – 4:00 PM | Tuesday: 8:00 AM – 4:00 PM | Wednesday: 8:00 AM – 4:00 PM | Thursday: 8:00 AM – 4:00 PM | Friday: 8:00 AM – 4:00 PM | Saturday: Closed | Sunday: Closed
4.9 ★
74 reviews
Safe Air Systems Radon Mitigation LLC
15 Minneakoning Rd STE 101, Flemington, NJ 08822
Monday: 8:30 AM – 4:30 PM | Tuesday: 8:30 AM – 4:30 PM | Wednesday: 8:30 AM – 4:30 PM | Thursday: 8:30 AM – 4:30 PM | Friday: 8:30 AM – 4:30 PM | Saturday: Closed | Sunday: Closed
5 ★
291 reviews
Radon Supplies
15 Minneakoning Rd, Flemington, NJ 08822
Monday: 8:00 AM – 4:00 PM | Tuesday: 8:00 AM – 4:00 PM | Wednesday: 8:00 AM – 4:00 PM | Thursday: 8:00 AM – 4:00 PM | Friday: 8:00 AM – 4:00 PM | Saturday: Closed | Sunday: Closed
5 ★
1 reviews
HARRISON HOME INSPECTION, CCMI®
5 Tribeca Ave, Jersey City, NJ 07305
Monday: 7:00 AM – 10:00 PM | Tuesday: 7:00 AM – 10:00 PM | Wednesday: 7:00 AM – 10:00 PM | Thursday: 7:00 AM – 10:00 PM | Friday: 7:00 AM – 10:00 PM | Saturday: 7:00 AM – 10:00 PM | Sunday: 7:00 AM – 10:00 PM
5 ★
76 reviews
Radon Shield LLC
757 Beatty St, Trenton, NJ 08611
Monday: 7:00 AM – 7:00 PM | Tuesday: 7:00 AM – 7:00 PM | Wednesday: 7:00 AM – 7:00 PM | Thursday: 7:00 AM – 7:00 PM | Friday: 7:00 AM – 7:00 PM | Saturday: 7:00 AM – 7:00 PM | Sunday: Closed
5 ★
28 reviews
RAdata, LLC
27 Ironia Rd #2, Flanders, NJ 07836
Monday: 8:00 AM – 5:00 PM | Tuesday: 8:00 AM – 5:00 PM | Wednesday: 8:00 AM – 5:00 PM | Thursday: 8:00 AM – 5:00 PM | Friday: 8:00 AM – 5:00 PM | Saturday: 9:00 AM – 5:00 PM | Sunday: Closed
4.9 ★
2601 reviews
Envirotech
1030 E 13th St, Brooklyn, NY 11230
Monday: Open 24 hours | Tuesday: Open 24 hours | Wednesday: Open 24 hours | Thursday: Open 24 hours | Friday: 12:00 AM – 5:00 PM | Saturday: Closed | Sunday: Open 24 hours
4.9 ★
59 reviews
Frequently Asked Questions
How much does radon testing cost in New Jersey?
Professional radon testing in New Jersey typically costs $175 to $350. Short-term tests (48-96 hours) are used for real estate transactions. Long-term tests (90+ days) provide the most accurate annual average. NJ DEP recommends professional testing over DIY kits for real estate transactions, though DIY kits ($20-$40) are available at hardware stores.
Why is radon especially concerning in New Jersey?
New Jersey has significantly elevated radon levels, particularly in the Highlands region covering Hunterdon, Morris, Somerset, Sussex, and Warren counties -- some of the highest in the nation. The granite and gneiss bedrock in these areas is naturally high in uranium, which decays to produce radon gas. Even southern NJ's Coastal Plain counties have measurable radon. NJ DEP publishes county-level radon data and considers it a serious public health issue.
Are radon testers required to be certified in New Jersey?
New Jersey does not have a mandatory state certification requirement for radon testers, but the NJ DEP strongly recommends using testers certified by the National Radon Proficiency Program (NRPP) or National Radon Safety Board (NRSB). For real estate transactions, use a certified professional to ensure legally defensible results.
What happens if my New Jersey home has high radon levels?
If radon levels exceed 4 pCi/L, the EPA and NJ DEP recommend installing a radon mitigation system. Sub-slab depressurization is the most effective method and typically costs $1,000 to $2,000 in New Jersey -- slightly higher than the national average. NJ DEP has a Radon Contractor Certification Program for mitigation contractors. Mitigation reduces levels by up to 99%.
When should I test for radon in my New Jersey home?
NJ DEP recommends testing all New Jersey homes, especially in the Highlands counties. Test when buying or selling, after major renovations affecting the foundation, or if you have never tested. Testing during cooler months (November through March) with windows closed provides the most representative results. Re-test every 2 years or after major changes to the home.