Oil Tank Removal Cost & Tank Sweep Cost Guide
An oil tank sweep costs $200-$500. Standard underground tank removal runs $1,500-$3,500. Here's the full breakdown of what drives pricing up or down, plus real-world examples.
Updated for 2026
Quick Cost Summary
Tank Sweep
$200-$500
Standard Removal
$1,500-$3,500
With Remediation
$10,000-$50,000+
How Much Does a Tank Sweep Cost?
A tank sweep costs $200-$500 and uses ground-penetrating radar (GPR) plus a metal detector to confirm whether a buried oil tank exists on a property — without any excavation. It's the step almost every buyer, lender, or seller should take before committing to a home built prior to 1985, and it's the step to take before scheduling removal, since you want to know the tank's approximate size and depth before a crew shows up.
A sweep is not the same job as removal — see our full breakdown of tank sweep vs. oil tank removal if you're not sure which one you need, or check whether you need a tank sweep before selling. Some contractors will credit the sweep fee toward the removal cost if you hire them for both. Comparing a few providers first pays off — see our roundup of the best oil tank removal companies in New Jersey.
Tank Sweep & Removal Cost by State
Tank sweep pricing is fairly flat nationally since it's a scan, not excavation — the cost doesn't scale with tank size the way removal does. Removal cost is where geography actually shows up, mostly through local labor rates and how strict a state's closure documentation requirements are. Here's how the states we cover most often compare:
| State | Tank Sweep | Underground Removal |
|---|---|---|
| Connecticut | $250-$450 | $1,500-$3,500 |
| New Jersey | $350-$550 | $2,500-$5,000 |
| New York | $300-$500 | $2,000-$4,500 |
| Massachusetts | $250-$450 | $1,500-$5,000 |
| Rhode Island | $200-$400 | $1,500-$3,000 |
| Pennsylvania | $300-$475 | $2,000-$4,000 |
| Maryland | $275-$450 | $1,800-$3,800 |
| Virginia | $275-$450 | $1,800-$3,500 |
| Illinois | $275-$425 | $1,800-$3,500 |
| Wisconsin | $250-$400 | $1,800-$3,000 |
| Minnesota | $275-$425 | $1,800-$3,500 |
| West Virginia | $250-$400 | $1,500-$3,500 |
New Jersey and New York run highest largely because of stricter closure documentation (NJDEP and NYSDEC, respectively) and higher regional labor costs, not because the physical removal job is different. Rhode Island tends to run lowest in the Northeast, reflecting the state's smaller size and shorter average contractor travel distance. Click a state above for the full regional breakdown, including city-level pricing where we cover it.
Detailed Cost Breakdown
| Service | Low | High |
|---|---|---|
| Tank Sweep / Detection | $200 | $500 |
| Above-Ground Tank Removal | $500 | $1,500 |
| Underground Tank Removal (275-550 gal) | $1,500 | $3,000 |
| Underground Tank Removal (1000+ gal) | $3,000 | $5,000 |
| Soil Testing (per sample) | $100 | $300 |
| Tank Abandonment-in-Place | $1,000 | $2,500 |
| Permits & Documentation | $200 | $500 |
| Minor Soil Remediation | $5,000 | $15,000 |
| Major Soil Remediation | $15,000 | $50,000 |
| Groundwater Remediation | $50,000 | $150,000 |
* Prices are estimates and vary by location and contractor. Always get multiple quotes.
These ranges assume a typical 275-gallon tank. If your tank is larger, see our cost breakdown by tank size for what 550-gallon and 1,000-gallon tanks typically add to the bill.
Factors That Affect Your Cost
Tank Size & Type
Larger tanks cost more to remove. Steel tanks are standard; fiberglass or concrete tanks may require special handling.
Tank Location
Tanks under driveways, patios, or close to structures cost more due to difficult access and surface restoration.
Soil Conditions
Rocky soil, high water tables, or clay content can significantly increase excavation time and costs.
Contamination Level
Clean tanks are straightforward. Leaking tanks require soil testing and potentially expensive remediation.
Local Regulations
Some states have stricter requirements for testing, disposal, and documentation, affecting overall costs.
Geographic Location
Prices vary by region. Northeast states typically have higher costs due to older housing stock and strict regulations.
Real-World Cost Examples
Best Case: Clean Tank Removal
550-gallon tank in accessible backyard, no contamination found.
- • Tank removal & disposal: $2,000
- • Soil testing (2 samples): $400
- • Permits: $250
- • Backfill & restoration: $350
Total: ~$3,000
Moderate Case: Minor Contamination
Tank under driveway with localized soil contamination.
- • Tank removal (difficult access): $3,500
- • Extended soil testing: $800
- • Soil remediation (20 tons): $8,000
- • Permits & documentation: $500
- • Driveway restoration: $2,500
Total: ~$15,300
Worst Case: Extensive Contamination
Long-term leak affecting large soil area, approaching property line.
- • Tank removal: $3,000
- • Environmental assessment: $3,000
- • Major soil remediation (200+ tons): $45,000
- • Ongoing monitoring: $5,000
- • Legal/regulatory compliance: $2,000
Total: ~$58,000+
💡 Money-Saving Tips
- ✓Get multiple quotes - Prices can vary significantly between contractors.
- ✓Ask about package pricing - Some contractors offer discounts for sweep + removal together.
- ✓Check for state programs - Some states offer financial assistance for residential tank removal.
- ✓Review your insurance - Pollution liability coverage may help with unexpected costs.
- ✓Act quickly if you find a leak - Contamination spreads over time, increasing remediation costs.
Get Free Quotes from Local Contractors
Compare prices from licensed, insured professionals in your area.
Find Contractors Near YouFrequently Asked Questions
How much does an oil tank sweep cost?
An oil tank sweep — a non-invasive ground-penetrating radar (GPR) and metal detector scan to confirm whether a buried tank exists — typically costs $200-$500. It's the standard first step before buying an older home or before scheduling removal, since it tells you the tank's approximate size and location without any digging. Some contractors credit the sweep fee toward removal if you hire them for the full job.
Is a tank sweep the same as tank removal?
No. A tank sweep only locates a tank; it doesn't take it out of the ground. Removal is the excavation, extraction, and disposal step that comes after — and after a sweep confirms there's something to remove. Skipping the sweep and going straight to excavation based on a guess (old fill pipe location, property records) sometimes means digging in the wrong spot.
Why do sweep and removal cost so differently?
A sweep is a scan — one technician, a couple of hours, no equipment beyond a GPR unit. Removal requires an excavator, a crew, tank disposal, and (usually) soil sampling, which is why it runs $1,500-$5,000 versus $200-$500 for a sweep. If a sweep finds nothing, you've spent a few hundred dollars confirming a clean property instead of guessing.
Does every home sale require a tank sweep?
It's not universally mandated by law, but most lenders and a growing share of buyers' attorneys expect one for homes built before 1985, especially in states with heavy historical oil-heat use. Sellers who get a sweep done proactively — and it comes back clean — usually close faster than sellers who wait for a buyer to request one mid-contract.
What raises the cost above the typical range?
For removal specifically: difficult access (tank under a deck, patio, or driveway), larger tank size (1,000+ gallons), rocky or high-water-table soil, and any sign of contamination once excavation starts. For sweeps, cost is fairly flat regardless of property size, though very large lots with multiple suspected tank locations may take longer to scan.
Why is tank sweep cost so consistent across states while removal cost isn't?
A sweep is a fixed-scope service — one technician, a GPR unit, and a couple of hours regardless of location, so the price mostly reflects a single visit's labor rather than anything regulatory. Removal cost varies more by state because it bundles in local labor rates, permit fees, and how much documentation a state's environmental agency requires before it will recognize the closure as valid. New Jersey's NJDEP process and New York's NYSDEC requirements are more paperwork-intensive than, say, Rhode Island's RIDEM process, and that shows up in the quote.
Should I get a tank sweep even if I'm fairly sure there's no tank?
If the house was built before the mid-1980s and you don't have a prior sweep report or removal closure letter on file, yes — "fairly sure" based on a visual check of the yard misses tanks often enough that lenders and buyers' attorneys generally don't accept it as proof. A $200-$500 sweep that comes back clean gives you documentation you can hand to a buyer or lender; a visual check that turns out to be wrong becomes a mid-transaction problem instead.