Standard and high cube 20ft containers
20ft Shipping Container Suppliers
- Verified 20ft suppliers
- New and used grades
- No-obligation quotes
ContainerMondo lists verified 20ft shipping container suppliers and connects you with a nationwide network of sellers, so you can compare grades, prices and delivery in one place. 20ft containers are also called conex boxes, storage containers and cargo containers.
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Is a 20ft the right size for you?
The 20ft is the most requested size in the country, but it is not automatically the right answer. Three quick checks before you request quotes.
Choose 20ft when
You need secure storage for a one to two car garage worth of gear, a jobsite lockup, a small workshop, or a heavy, dense load. It drops in one piece on most driveways and farm lots.
Size up to 40ft when
You are storing long items such as lumber, kayaks or vehicles, or you want roughly double the floor space for about 25 to 30% more, and your lot can take a longer truck and pad.
Size down to 10ft when
You have a tight side yard or alley, only need a shed sized lockup, and want the easiest possible placement. You will pay more per cubic foot.
A 20ft and a 40ft share the same 30,480 kg (67,200 lb) maximum gross weight. With dense cargo such as machinery, tools, tile or aggregate, you hit the weight ceiling long before you fill a 40ft. For heavy loads a 20ft is often the smarter choice, not just the cheaper one. Compare 10ft, 20ft and 40ft
To scale
20ft container dimensions
Exterior, interior and the all important door opening. The door gap, not the box, is what decides whether your widest item fits.
- Exterior (L x W x H)20'0" x 8'0" x 8'6"
- Interior (L x W x H)19'4" x 7'8" x 7'10"
- Door opening (W x H)7'8" x 7'5"
- Internal volume1,170 ft³ (33 m³)
- Tare (empty) weight5,070 lb (2.3 t)
- Max gross weight67,200 lb (30.5 t)
- Standard pallets10 to 11 on the floor
Standard or high cube
A high cube has the same footprint but is one foot taller, 9'6" instead of 8'6". On a 20ft that extra foot is rarer and costs a little more, so it is worth it only if you need the vertical room.
most gear and stacked totes
racking, pallet jacks, conversions
Grades and 2026 pricing
What you are really buying at each price
New and used barely describe it. These four grades are the language every supplier uses, and the single biggest lever on what you pay. Ranges are typical U.S. prices for a 20ft standard before delivery.
What it is
Built overseas, loaded once for the trip to the U.S., then sold. Clean paint, intact marine ply floor, square doors and little to no rust.
Best for and watch-outs
Best for: backyard offices, retail builds, anything you will modify, cut or want to look sharp.
Often only $1,000 to $1,500 more than a used box. Confirm it is truly one-trip, not refurbished.
What it is
Inspected and certified structurally sound enough to be stacked and shipped internationally. Expect dings, surface rust and honest wear, but guaranteed wind and watertight.
Best for and watch-outs
Best for: long term storage, export, conversions on a budget, anywhere structure matters more than looks.
For export you need a current CSC plate or survey. Confirm the certification date before you buy.
What it is
Guaranteed to keep wind and water out, but not certified for ocean cargo. Same steel, more character. The most popular grade for people who just need dry, secure space.
Best for and watch-outs
Best for: on site storage you will never ship overseas, such as tools, equipment, inventory and seasonal gear.
Floors can have soft spots from delamination. If you will drive a forklift inside, step up to CW.
What it is
No condition guarantee. May have dents, heavy rust, even holes or a damaged door. Often a unit that was not economical to repair or could not be inspected.
Best for and watch-outs
Best for: rough storage of items that do not mind a leak, or a cheap base for a heavy rebuild.
Never buy As-Is sight unseen, and treat a WWT price on an As-Is box as a warning sign.
A 20ft high cube typically adds $150 to $400 over the standard height in the same grade. Delivered totals for used 20ft units often land around $2,500 to $3,500. Your price moves with depot proximity and steel prices.
Delivery is a separate charge
Plan for roughly $150 to $1,550 depending on distance. Many yards charge a base fee plus mileage, for example $250 plus $5 per mile. A tilt bed truck sets the container on the ground for you. A flatbed is cheaper but you must provide a forklift or crane to offload.
The line items people forget
Site prep such as gravel, railroad ties or concrete piers, sales tax where applicable, a lock box for security, and any modifications, which always cost more on a rusty box than on clean one-trip steel. Budget these from the start.
Free tool. Pick size, grade, ZIP and access for an instant range.
Before you pay
The 10 point pre-purchase inspection
Whether you walk the yard yourself or send someone, check these before money changes hands. Tap each item as you confirm it.
If you cannot inspect in person, buy from a supplier who will send photos of the specific unit and put the grade on the invoice, and prefer one with a verified track record. See how we score suppliers
Get the drop right the first time
Delivery and site prep
The most common delivery failure is space. A truck needs far more clearance than the container itself, so plan the path and the pad before you book.
- Clear a straight, firm path
A tilt bed needs to back in straight and tip the bed up. Plan about 60 ft of straight clearance with room behind to tilt, not just a 20 ft parking spot.
- Level the ground and set a foundation
Put the four corners on railroad ties, concrete blocks or piers on level ground. This keeps the doors square and air moving under the floor.
- Check overhead and surface
No low wires, branches or eaves over the drop zone. Avoid soft grass or fresh asphalt, since the truck and box are heavy and will sink or scar.
- Decide door orientation up front
Tell the driver which way the doors should face. Repositioning a placed 20ft is a real hassle, so get it right on the drop.
Why ContainerMondo
Get matched with verified 20ft suppliers
We are a network of verified 20ft suppliers, so you can compare real quotes for your container instead of cold calling yards and hoping.
- Suppliers verified for a real business, inventory and track record
- Compare quotes side by side on grade, price and delivery
- Coverage in all 50 states, free and no obligation
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Compare Free QuotesContainerMondo is a network of verified shipping container suppliers across the U.S. Prices shown are general 2026 market ranges for guidance, and your supplier quote is what counts.