Used propane tanks cost dramatically less - a 500-gallon starts at $820 used versus up to $2,420 new, and a 1,000-gallon at $950 scrapped versus $5,300 new underground. The trade is inspection responsibility: check the data plate, ASME stamp, valves, foot ring, and corrosion before buying, and treat an unreadable data plate as an automatic no. A supplier can refuse to fill a tank they judge unsafe. Choose new for underground installs, long horizons, and warranty coverage.
The new vs used propane tanks question usually starts with the price gap, and the gap is large enough to be worth taking seriously. A used 500-gallon tank starts at $820 in our current listed pricing; a new one runs to $2,420 for an underground unit. At 1,000 gallons the spread widens further – $950 for a scrapped tank against $5,300 for a new underground vessel.
That is not a small discount. It is often the difference between installing this season and waiting a year.
But a propane tank is a pressure vessel, and buying one used carries real inspection obligations that buying new does not. This guide covers what you are actually getting, what to check, and when the premium for new is money well spent.
The price gap between new vs used propane tanks
Here is where current listed pricing sits across the sizes where the used market is most active. Freight is separate at a flat $350 per order within the contiguous U.S., with Alaska and Hawaii quoted separately.
| Capacity | Listed price range | Notes |
|---|---|---|
| 250 gal | $650 used – $2,350 new | Common for cooking, dryer, and supplemental heat |
| 320-330 gal | $1,092 – $2,950 | Mid-size residential |
| 500 gal | $820 used – $2,420 new underground | The most common whole-home residential size |
| 1,000 gal | $950 scrapped – $5,300 new underground | Large homes, farms, light commercial |
| 1,500 gal | $2,600 – $2,950 | Commercial and agricultural |
| 2,000 gal | ~$3,705 | Commercial |
Notice that the used discount is proportionally largest at the biggest sizes. A 1,000-gallon vessel is expensive to fabricate new and comparatively cheap to recondition, so the arithmetic for the buyer who is willing to inspect carefully gets more attractive as capacity goes up.
Notice also that the top of each range is an underground tank. Underground vessels cost more new because of the jacket, coating, and corrosion protection they carry. Comparing a used above-ground tank to a new underground one is not an apples-to-apples comparison, and you should be careful not to talk yourself into a bargain that way.
What “used” and “scrapped” actually mean in the trade
These words are not interchangeable, and the distinction matters more than most first-time buyers realize.
Used
A used tank is a vessel that has been in service, removed, inspected, and offered for resale as a functioning tank. The data plate is legible, the ASME stamp is present, and the valves and fittings are either serviceable or have been replaced. A good used tank is simply an older working tank, and stationary ASME vessels built to ASME Boiler & Pressure Vessel Code, Section VIII are designed for long service lives when maintained.
Scrapped
A scrapped tank is one being sold at or near salvage value. It may need substantial refurbishment – shot blasting, recoating, new valve train, new foot ring – before it can be put back into service, and in some cases it is being sold for the steel rather than for use as a propane vessel. The $950 figure on a 1,000-gallon tank reflects that reality.
If you are quoted a price that seems far below the rest of the used market, ask directly which category the vessel falls into and what work it needs. A reputable seller will tell you. We will.
What to inspect on a used propane tank
Work through this list before money changes hands, and ideally with a licensed propane professional present. If you cannot inspect in person, ask for photographs of each item on it.
- The nameplate or data plate. It must be present, attached, and readable – manufacturer, serial number, date of manufacture, water capacity, and working pressure. This is the single most important item on the list.
- The ASME stamp. Confirm the vessel was built to Section VIII. A stationary tank without it has no verifiable pressure rating.
- Valves and regulator. Check the relief valve, fill valve, service valve, and vapor return for corrosion, thread damage, and age. Relief valves are wear items and are frequently replaced as part of reconditioning.
- Gauge and float assembly. A stuck or missing float gauge is cheap to fix but tells you something about how the tank was stored.
- Foot ring or saddles. Look for rust-through where the ring meets the shell. That interface traps moisture and is a common failure point on above-ground tanks.
- Pitting and corrosion. Surface rust is normal. Deep pitting, flaking scale, or any spot where the steel is visibly thinned is not. Pay particular attention to the bottom third of the shell and the weld seams.
- Prior contents. Ask what the tank last held. A vessel that stored anhydrous ammonia or another chemical is not a propane tank, regardless of what it looks like.
- Paint and jacket condition. Propane tanks are painted in reflective, light colors for heat-management reasons under NFPA 58, the Liquefied Petroleum Gas Code. On an underground tank, examine the coating or jacket for holidays, gouges, and repairs.
- Last pressure test or requalification record. Ask for documentation. Its absence is not automatically disqualifying on an ASME vessel, but its presence is worth paying for.
Why an unreadable data plate is disqualifying
If the plate is gone, painted over beyond legibility, or corroded illegible, walk away. Without it you cannot establish the working pressure, the water capacity, the build standard, or the manufacture date. A propane supplier has no basis to accept the vessel, and no installer with a license to protect will set it.
People try to solve this with a replacement plate. Do not. Reissuing a data plate is a controlled process tied to the original manufacturer’s records or a qualified inspector’s evaluation, and a plate you had made at a shop is a fabricated document on a pressure vessel. There is no version of that which ends well.
Requalification and whether anyone will fill it
This is the practical consequence people underestimate. Owning a tank does not obligate any supplier to put propane in it.
Delivery drivers are trained to visually inspect before filling, and they can and do refuse tanks they judge unsafe – illegible plate, failed relief valve, severe corrosion, an unstable base, or inadequate separation distance from structures and ignition sources under NFPA 58 as adopted by your local authority having jurisdiction. A refused fill on a tank you already bought and installed is an expensive lesson.
The requalification rules differ by tank type. Portable DOT cylinders fall under 49 CFR Part 180, which sets fixed requalification intervals – generally 12 years from manufacture, with shorter cycles after requalification depending on method. Stationary ASME tanks have no equivalent calendar expiration and are instead judged on condition. Our article on ASME versus DOT tanks covers which category applies to what. PERC publishes consumer-facing guidance on tank condition and safe use that is worth reading before you shop.
The safest sequence: identify your likely fuel supplier first, describe the used tank you are considering, and ask whether they would fill it. Ten minutes on the phone beats a rejected delivery.
Underground used tanks and corrosion risk
Buying used above ground and buying used underground are genuinely different risk propositions, and we would steer most buyers away from the second.
An underground tank depends on an intact coating and, in most installs, cathodic protection with sacrificial anodes. A used underground vessel has already spent years in soil, and the coating damage that matters most is exactly the damage you cannot inspect from outside once it is buried again. You are also paying for excavation twice if it fails – once to bury it, once to dig it out.
If you are set on a buried install, weigh the new-tank premium against the excavation you would repeat. Our comparison of above-ground and underground installations goes through the siting and cost considerations in more depth.
When new is worth the premium in the new vs used propane tanks decision
- Underground installations, for the reasons above. Coating integrity is the whole ballgame and you cannot verify it on a used vessel.
- Long ownership horizons. If you plan to be in the property for decades, spreading the premium across that many years makes it small annually.
- Warranty coverage. New tanks from the manufacturers we source – Quality Steel Corp, Manchester Tank, and Newberry – carry manufacturer warranty terms. Used tanks generally do not.
- You cannot inspect in person. If distance or timing means you are buying sight-unseen and cannot get a professional to look, new removes the variable entirely.
- Commercial or permitted installs where an inspector, insurer, or AHJ may take a harder line on vessel provenance and documentation.
Conversely, used makes good sense for a straightforward above-ground residential install where you can inspect the tank, the plate is clean, and the budget difference funds the professional installation you are legally required to have anyway.
How to buy used with recourse
The difference between a reasonable used purchase and a bad one is usually whether you have any path back if the tank is not what was described.
Buy from a seller with a written return policy. Ours is a 30-day return guarantee, with a 15% restocking fee on non-defective returns of tanks 500 gallons and above – that fee reflects freight and handling on a vessel that size, and we state it plainly rather than burying it. Defective tanks are a different conversation entirely. The full terms are on our return and refund policy page, and freight terms are on the shipping policy page.
A few practical protections worth insisting on regardless of who you buy from: get the condition description in writing, get photographs of the data plate and the tank bottom specifically, confirm what the tank previously held, and do not schedule excavation or an installer before the tank arrives and has been looked at.
The bottom line
Used tanks are a legitimate way to cut a large capital cost, and the discount at 500 and 1,000 gallons is substantial enough to be worth the inspection work. The trade is that you take on verification the manufacturer would otherwise have handled for you.
Check the data plate first and treat an unreadable one as an automatic no. Confirm with your fuel supplier that they would fill the vessel. Skip used entirely for underground installs unless you have unusually good documentation. And whichever direction you go, the installation itself is licensed gas work under NFPA 58 and your local code – that part is not a place to economize.
You can browse both new and used inventory in our tank shop, compare capacities in our sizing guide, or reach us at (501) 218-9328 or through the contact page. We ship to all 50 states, delivery runs 3-10 business days depending on size and location, and financing is available for qualified buyers. Common questions are answered on our FAQ page.
