Last updated
How Much Does a 20ft Storage Container Cost in Charleston?
Monthly rental for a storage container in Charleston typically runs in a band you can check against actual measured pricing, and a 20ft box sits toward the lower end of that range compared to a 40ft unit. Delivery is billed separately and depends on distance and site access, similar to how delivery fees get scoped for roll-off dumpsters. If you are comparing a short job against a longer one, look at storage container rental cost breakdowns before you commit to a term. Most Charleston renters keep a unit 30 days or longer because delivery and pickup trips cost more per use on short jobs. For construction sites already juggling a dumpster rental cost and a porta potty rental cost, stacking a storage container onto the same delivery run often saves a trip.
| unit | duration | low | typical | high |
|---|---|---|---|---|
| storage | month | 100 | 125 | 250 |
| delivery_fee | day | 100 | 150 | 500 |
| delivery_fee | month | 120 | 172 | 420 |
What Are 20ft Storage Container Dimensions and Weight?
A 20ft storage container weighs roughly 5,000 pounds empty, which matters when a crane or forklift is doing the placement rather than a standard delivery truck. Ground clearance behind the drop truck matters too. A roll-off dumpster delivery needs about 60 feet of straight clearance behind the truck, and container drops need similar room, so tell your Charleston dispatcher about gates, overhead lines, and tight alleys before the truck rolls. Placement on soft ground or gravel can cause settling, so a level pad matters more than people expect. If your site also needs temporary fencing around the container or a light tower nearby for after-hours visibility, plan the layout together so nothing blocks the swing radius the delivery driver needs to set the box down safely.

Do You Offer a 20ft Mobile Office Container or Cold Storage Option?
Yes, and each version changes the delivery math. A 20ft mobile office container with trailer wheels can be positioned without a crane in many cases, which is why builders on tight urban lots near downtown Charleston often request that configuration over a standard drop box. A 20ft cold storage container is a different animal entirely, built for temperature control rather than dry goods, and it pairs well with catering operations for event restroom rental setups or festival restroom sites that need refrigerated backup. If you are running a renovation and need short-term storage alongside a home renovation porta potty, a standard dry box usually covers debris-free tool and material storage better than a cold unit. Ask what is actually on your site plan before locking in a container type, because swapping mid-rental costs another delivery trip.
Charleston sites from Hanahan, about 9.5 miles north, to James Island, roughly 9.7 miles south, all fall inside our standard delivery zone without extra mileage charges tacked on. Sullivan's Island sits 11.7 miles southeast and Goose Creek 14.1 miles north, both routinely serviced on the same trucks that handle construction site services calls. If your project also needs a 40ft storage container for bulk storage or a mobile office trailer for on-site staff, ask about combining deliveries to cut the trip count.
How long can I rent a 20ft storage container?
There is no fixed cap. Most Charleston customers rent monthly, and renewals just continue the same monthly rate. Short-term rentals are possible but cost more per day because delivery and pickup get billed either way, regardless of how long the box sits on site.
Do I need a permit to place a container on my property?
Placement in the public right of way needs confirming with the city of Charleston directly. On private property it is usually simpler, but check your dumpster permit requirements page for the same logic applied to roll-off boxes, since the rules often overlap.
Can a 20ft container sit on gravel or dirt?
Yes, but a level, compacted surface prevents door misalignment and water pooling underneath. Concrete or asphalt is ideal. If your site is soft or sloped, ask the driver about placement options before delivery day so the box does not need repositioning later.
What is the difference between a 20ft and 40ft container?
A 20ft unit offers about half the floor space of a 40ft storage container but costs less monthly and needs less clearance to place. Choose based on volume, not just budget, since underestimating space means a second delivery trip.
Will the delivery truck need special access?
Usually just standard clearance, similar to what a roll-off dumpster rental truck needs. Tight lots, low branches, or narrow gates should be flagged in advance so Charleston Porta Pros can send the right truck configuration the first time.

Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.
