This 48’x40′ portable classroom floor plan shows a 48’x40′ portable classroom building with 1,920 sq ft, laid out as two classrooms with 31 and 32 student desks, a teacher workroom and storage. The entry has an 18′ ADA ramp with a 5’x5′ landing.
The 48’x40′ portable classroom floor plan
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48’x40′ portable classroom specs at a glance
First, here are the key specs for this 48’x40′ portable classroom floor plan, so you can compare it with your site and headcount.
| Box size | 48’x40′ |
| Floor area | 1,920 sq ft |
| Modules | 4 (12’x40′ each) |
| Truckloads to deliver | 4 |
| Occupancy group | E (educational) |
| Student desks shown | 31 + 32 |
| Access | 18′ ADA ramp with 5’x5′ landing |
| HVAC | 4 wall-mount units on the end wall (one per module) |
| Plan ID | PC-4840 |
Room schedule
| Room | Size | Sq ft |
|---|---|---|
| Classroom A | 34’x24′ | 816 |
| Classroom B | 34’x24′ | 816 |
| Teacher workroom | 6’x12′ | 72 |
| Storage | 6’x12′ | 72 |
| Teacher workroom | 6’x12′ | 72 |
| Storage | 6’x12′ | 72 |
We measure the rooms to the module lines, so interior walls take a few inches from each room.
How this layout works
- Two classrooms, each about 34’x24′ with 31 student desks shown
- Teacher workroom and a storage room for each classroom
- Separate entry, 18′ ADA ramp and landing for each classroom, plus a second exit with steps
Like every iModular.com plan, this 48’x40′ portable classroom floor plan follows a few rules: wall-mount HVAC units sit on the end wall, one per module, and that wall has no windows; toilets and sinks are on exterior walls, which keeps plumbing runs short and costs down; restrooms have no windows. Also, every layout can change. For example, we can move walls, doors and fixtures before the factory builds a new building, and a contractor can often remodel a used one after delivery.
What a 48’x40′ portable classroom is used for
For example, buyers often choose this layout for uses like these. However, the same layout works for many other jobs, too.
- Two side-by-side classrooms
- Daycare or preschool rooms
- Church Sunday school rooms
- Training rooms for a company or agency
Delivery and site setup
A 48’x40′ portable classroom comes as 4 modules, each 12’x40′. Each module ships on its own truck, so delivery takes 4 truckloads. First, the crew sets the modules on the foundation. Then they join them along the marriage lines (the dashed lines on the plan) and finish the seams inside and out. Foundation options include steel piers with tie-downs or a perimeter foundation (compare foundation systems). Finally, the crew adds the ADA ramp and landing (ramp slope and landing rules).
As a result, the site work for this building usually comes down to a level pad, a foundation, utility hookups and access. Also, ask your city or county early, because local permits often set the schedule.
Approvals where you are
In short, the building is the same everywhere. Instead, what changes is the state program that approves it and how your city or county permits the site work. For example, in California the Department of Housing and Community Development (HCD) approves commercial modular buildings, while the Division of the State Architect (DSA) approves public school classrooms (California prices and guides). In Texas, the TDLR Industrialized Housing and Buildings program covers them (Texas guide). Similarly, Florida uses the DBPR manufactured buildings program (Florida guide). Either way, iModular.com brokers modular buildings nationwide. Read how permits work for modular buildings.
Compare nearby sizes
Also, if this size is close but not quite right, compare these nearby sizes:
- 36’x40′ portable classroom floor plan – 1,440 sq ft
- 24’x40′ portable classroom floor plan – 960 sq ft
- Browse every size in our modular building floor plans library
Buy or rent a 48’x40′ portable classroom
iModular.com sells new and used portable classrooms and arranges rentals and leases. In many cases, a used building is the fastest and lowest-cost way to get this size, or one close to it. Learn how to buy a used modular building, or compare financing, leasing and rental. See how to compare portable classroom prices.
Get pricing on a 48’x40′ portable classroom
New or used, buy or rent. Mention plan PC-4840 and we will price this layout or one close to it.
Call (800) 806-7485 · Matt answers six days a week · Request a price online
Frequently asked questions
How many square feet is a 48’x40′ portable classroom?
A 48’x40′ portable classroom has 1,920 sq ft. In this 48’x40′ portable classroom floor plan, we measure the 48’x40′ box.
How many students fit in a 48’x40′ portable classroom?
This layout shows 31 and 32 student desks. However, educational (E) occupancy allows 20 sq ft of net classroom area per student, so the final count depends on furniture and your district’s standards.
How is a 48’x40′ portable classroom delivered?
It ships as 4 modules on 4 trucks. First, the crew sets them on the foundation. Then they join them at the marriage lines and finish the seams.
Can I change this 48’x40′ floor plan?
Yes. For example, to adapt this 48’x40′ portable classroom floor plan on a new building, we can move walls, doors, windows and restrooms before the factory starts. However, a used building comes with its existing layout, although a contractor can often remove or add interior walls after delivery.
Drawn by iModular.com. Schematic concept, not for construction and not to scale. Final drawings by a licensed professional. Reviewed by Matt Banes · Plan PC-4840 · Updated October 29, 2026.