Mobile dumpster guide

What Size Dumpster Do I Need for Your Mobile Project?

From a single room cleanout in Midtown to a full construction job out toward Semmes, picking the right dumpster size comes down to a few straightforward questions. Here’s how Hawthorne Bros walks customers through it.

By the Hawthorne Bros Dumpster Rental team 6 min read Mobile, AL Updated August 2026
What Size Dumpster Do I Need for Your Mobile Project?

“What size dumpster do I actually need?” is one of the first questions our phones get at Hawthorne Bros Dumpster Rental, whether the caller is clearing out a garage in Toulminville or gearing up for a full remodel out toward Semmes. We run our yard out of 3226 Saint Stephens Rd, and from there we deliver roll-offs across Mobile County — Prichard, Chickasaw, Saraland, Eight Mile, Tillmans Corner, Dauphin Island, and everywhere between. Wherever the job is, the sizing question comes up first, and it’s worth getting right: order too small and you’re paying for a second haul, order too big and you’re paying for space you never fill. Sizing a roll-off isn’t guesswork once you know what to look at.

Start With the Project, Not the Yard Number

Dumpster sizes are measured in cubic yards. We stock 10, 15, 20, 30, and 40 yard roll-off containers for jobs across Mobile County, from the city itself out to Bayou La Batre and Dauphin Island. The yard number alone doesn’t mean much until you connect it to the kind of project you’re running, so it helps to think in terms of the job first and let that point you toward a size.

10 and 15 Yard Dumpsters

These are the right call for compact jobs: a garage or attic cleanout, clearing a single bedroom or bathroom during a small remodel, or hauling off yard debris after a heavy trim-back. If the debris would fit in the bed of a pickup truck a couple of times over, a 10 or 15 yard container is probably in range. They’re also a common choice for a fast, contained job where space on the property is tight.

20 Yard Dumpsters

The 20 yard dumpster is the size we deliver most often, because it sits right in the middle of what a typical residential project needs. Kitchen remodels, whole-house flooring tear-outs, a roof replacement on an average Mobile home — all common 20 yard jobs. See the 20 yard dumpster page for more detail on what fits.

30 and 40 Yard Dumpsters

Bigger jobs call for bigger containers. A whole-house cleanout, new construction, a major addition, or commercial demolition debris usually calls for a 30 or 40 yard roll-off, which gives a crew room to keep working without constantly watching the fill line. These sizes are also common for estate cleanouts, where decades of belongings tend to add up to more volume than most people expect going in.

Weight Matters as Much as Volume

Cubic yardage tells you how much room you have — it doesn’t tell you how heavy your debris is, and that’s where a lot of sizing goes wrong. A 20 yard dumpster full of couch cushions and cardboard weighs almost nothing next to a 20 yard dumpster full of roofing shingles or wet drywall. Mobile’s climate doesn’t help here either: this is one of the rainiest parts of the country, and debris that’s been sitting outside or torn out during a wet stretch can weigh noticeably more than the same material dry. Dense material — shingles, concrete, tile, drywall, dirt — can hit a weight limit long before the container looks full. If your project leans heavy, mention it when you call so we can point you to the right size, or ask about our roofing dumpster rental service, which is built around tear-off loads specifically.

Where the Dumpster Will Sit

Size isn’t only about the debris — it’s also about the space you have to put the container. A 40 yard roll-off needs meaningfully more clearance than a 10 yard box, and driveway length, overhead branches, and nearby power lines all factor into what we can safely deliver. Most residential deliveries sit on the customer’s own driveway, which keeps things simple, but it’s worth walking the spot before delivery day if you’re unsure whether the size you want will actually fit.

A Few Questions That Make Sizing Easier

When you call to book, having rough answers to a few things speeds everything up:

  • How much of the property are you clearing — one room, the whole house, the yard, a job site?
  • Is the material mostly bulky-but-light (furniture, boxes, general junk) or dense and heavy (shingles, concrete, tile, dirt)?
  • Is this a one-time cleanout, or an ongoing project that might need the container on-site for a longer stretch?
  • Where will it sit — driveway, yard, curb — and roughly how much room is there to work with?

You don’t need exact measurements. A general sense of the project is usually enough for our team to get you into the right container over the phone.

When in Doubt, Size Up

If you’re stuck between two sizes, go with the larger one. Running out of room mid-project means either cramming debris dangerously above the rim or scheduling a second pull, and both cost more time and hassle than the price difference between adjacent sizes usually justifies. That said, we’d rather help you land on the right size the first time than have you guess — that’s what the phone call is for.

Every Project Is a Little Different

Sizing also depends on what kind of work you’re doing. A residential cleanout generates different debris than a construction job, and straightforward junk removal is often smaller than people assume once it’s all sitting curbside. Estate cleanouts tend to run larger than expected once furniture, boxes, and years of belongings all get added up. Not sure what any of this costs before you book? Our guide to what drives dumpster rental pricing in Mobile walks through the factors.

Just Ask

Most of the time, a two-minute conversation about what you’re clearing out is enough for us to tell you exactly which size makes sense — whether you’re calling from Toulminville, Prichard, Tillmans Corner, or anywhere else in Mobile County. Reach Hawthorne Bros Dumpster Rental at (251) 318-8799 or through our contact page, Monday through Saturday, 7 AM to 7 PM.

FAQs

Frequently asked questions

What’s the most commonly rented dumpster size in Mobile?

The 20 yard dumpster is the size we deliver most often. It handles most mid-size residential jobs — kitchen remodels, roof tear-offs, flooring replacement — without being oversized for a typical Mobile County home project.

Can I change sizes after I’ve already booked?

Call us as soon as you realize your project needs more or less room than planned. Depending on our delivery schedule, we can often adjust before the container goes out, or work out a swap once we understand what changed.

What if I’m not sure how much debris I’ll actually have?

That’s normal, and it’s exactly what the phone call is for. Tell us the scope of the project and roughly what you’re clearing out, and our team can usually get you to the right size without you needing an exact count.

Ready when you are

Need a dumpster in Mobile today?

Call and you will speak to someone local who knows the streets, the permit rules and which box actually fits your driveway. Flat rate quoted up front.

Call (251) 318-8799 Mon–Sat 7am–7pm
Tap to call — (251) 318-8799