Buying a home in New Jersey? A tank sweep finds abandoned underground oil tanks before they become your problem.
Tank Sweep Finder is built directly from the NJDEP UST certification program — the official list of who is actually certified to do this work. No pay-to-play rankings.
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373 certified companies · browse by county
Every listing comes from the NJDEP UST certification program — the government's own certification records.
See each company's certification categories and license number, with a link to verify at the source.
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New Jersey requires companies that test, install, or close underground storage tanks to hold NJDEP certifications by category. "Subsurface evaluation" is the certification most relevant to pre-purchase tank sweeps.
Step-by-step guide for New Jersey homeowners with a leaking heating oil tank — the required NJDEP report, who is qualified to do the cleanup, realistic costs, and the honest status of state reimbursement funds.
What it costs to remove a residential underground oil tank in New Jersey — base pricing, permit and soil-sample fees, removal vs. abandonment in place, and the state rules that apply.
What a residential oil tank sweep costs in New Jersey in 2026, what drives the price, and how to tell a thorough sweep from a drive-by scan.
How New Jersey regulates closing an underground oil tank in place versus pulling it out — permits, fire subcode inspection, approved fill materials, cost comparison, and why removal is usually the better long-term answer.
How tank sweeps work in New Jersey — magnetometer vs. GPR, what the report covers, the sweep's limits, and what happens if a buried oil tank turns up during your purchase.
How New Jersey buyers and sellers actually split oil tank costs — who pays for the sweep, who pays for removal, why credits are risky, and how the negotiation plays out inside attorney review and the inspection contingency.
A tank sweep is a non-invasive scan of a property — usually with magnetometers and ground-penetrating radar — to find abandoned underground oil storage tanks (USTs). It is most often ordered by home buyers in states like New Jersey where older homes commonly had buried heating-oil tanks.
Most New Jersey tank sweeps cost roughly $200–$500 depending on lot size and the equipment used. That is small insurance against a leaking tank cleanup, which can run tens of thousands of dollars.
The NJDEP certifies UST contractors by category — including subsurface evaluation (the certification behind professional tank sweeps and tank investigations), tank testing, and closure (removal or abandonment). Every company listed in this directory appears in the official NJDEP certification registry.
Often yes. Many New Jersey homes converted from oil to natural gas decades ago, and the old tank may still be buried in the yard. A sweep is the only way to know.
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