Roll-off dumpster
An open-top waste container delivered and collected by a truck with a hydraulic hoist. It rolls off the truck bed on wheels, which is where the name comes from. Sizes run 10 to 40 cubic yards.
Dumpster Rental Terms Explained
The vocabulary haulers use, in plain language. Most surprise charges come from one of these terms being on the invoice but not in the conversation.
Cubic yard
The unit dumpsters are sized in: a volume three feet on each side. A 20-yard dumpster holds 20 cubic yards of loose material, roughly six pickup truck loads.
Tonnage allowance
The weight included in the rental price, commonly one to two tons. Weight beyond it is billed separately, and it is the single most common source of an unexpected charge.
Overage
The per-ton charge for weight above the included allowance. Typically $50 to $125 per ton depending on local disposal costs.
Tipping fee
What a landfill or transfer station charges a hauler per ton to accept waste. It is the largest single input to a dumpster rental price, and why the same container costs far more in some regions than others.
Square (roofing)
One hundred square feet of roof area. Roofers quote in squares, and it is the unit that matters for estimating tear-off weight: architectural shingles run roughly 400 to 430 pounds per square.
Clean fill
A load of only concrete, brick, dirt or asphalt with no wood, trash or metal mixed in. Because it can be recycled rather than landfilled, many haulers charge a lower flat rate for it.
C&D debris
Construction and demolition debris: lumber, drywall, roofing, flooring and fixtures. It usually goes to a dedicated C&D facility rather than a municipal landfill.
Dry run / trip fee
A charge applied when a truck arrives and cannot deliver or collect: a car in the way, a locked gate, an overloaded container. Usually $75 to $150.
Swap
Collecting a full container and dropping an empty one on the same trip. On longer projects a scheduled swap rate is normally cheaper than repeated one-off rentals.
Prohibited items
Material a hauler will not accept: paint, oil, batteries, tires, propane tanks, asbestos, refrigerant appliances and most electronics. Lists vary by state and by facility.
Level load
Debris filled no higher than the container walls. Anything above the rim cannot be legally tarped or transported, so the driver will refuse it or charge to have it levelled.
Scale ticket
The weighbridge receipt showing what your load weighed, gross and empty. It is the evidence behind an overage charge, and any hauler will send you a copy if you ask. If a tonnage charge appears with no ticket behind it, ask for the ticket before you pay it.
Live load
The truck waits while you load, then takes the container straight away. Used where a container cannot be left on site, typically a busy street or a job with no room. Priced by the waiting time, so it is only cheap if you are genuinely ready when the truck arrives.
Extra day fee
The daily charge once the included rental period runs out, commonly $5 to $15. Worth asking for up front, because it decides whether guessing your timeline wrong is trivial or expensive.
Contamination charge
Applied when a load billed as clean fill or single-material turns out to be mixed. One wheelbarrow of general trash in a concrete container removes the cheaper disposal route for the whole load, and the charge reflects the difference.
Relocation fee
Moving a container once it is on site. On a long job it is often cheaper to agree two positions up front than to pay for a mid-hire move.
Fuel or environmental surcharge
A percentage added to the base rate, usually tracking diesel prices or state disposal levies. Legitimate, but it means the quoted rate and the invoice total can differ, so ask whether a quote includes it.
Hook lift
The arm-and-hook mechanism on the truck that loads and unloads the container. It is why overhead clearance matters: the arm needs roughly 22 feet of vertical room to tip, which is far more than the container itself occupies.
Mixed load
A container holding more than one material type. It disposes at the general waste rate rather than any recycling rate, which is why separating heavy clean material into its own container usually saves money on a job of any size.
Prorate
Charging part of a period at a proportion of the full rate. Whether a hauler prorates an early collection is worth asking before booking a period you may not use in full.
Driveway protection
Plywood or boards laid under the wheels and rails to spread the load. Standard practice rather than an upsell, and most haulers will lay it if you ask when you book. Asphalt in warm weather is the case that needs it most.
Transfer station
An intermediate facility where waste is sorted and consolidated before going on to a landfill or recycler. Many haulers tip here rather than at a landfill, and its gate rate is what sets their disposal cost.
Same-day and next-day service
Whether a hauler can deliver on short notice, which depends on fleet size and how the day is already routed rather than on price. Flexibility on the delivery day is the one thing that reliably moves a quote, because it lets the hauler slot you into an existing run.
See what these cost in practice · Work out what size you need