Converting a Shipping Container into an Office
You might have already heard about companies using storage units for their work operations, but how does it work? A shipping container office is a converted 20- or 40-foot steel ISO container equipped with modifications to serve as a workspace. Most common applications include jobsite offices, home work areas, guard booths or mobile business units.
In this Midstate guide, we will discuss how to build a shipping container office and why you may want to do it.
What Is a Shipping Container Office?
A shipping container converted to an office uses an ISO steel unit (normally made from durable Corten steel) and is modified into usable workspaces. Most conversions use 10ft/20ft/40ft normal (8’6” tall) or high-cube (9' 6” tall) containers and supply them with the utilities, furniture, windows, interior design, insulation, HVAC, and branding necessary for an effective modern work area.
Typical uses scenarios include:
- Construction site offices for supervisors and site managers.
- Retail pop-up for short-term selling (e.g., a drinks bar at a festival).
- Container home office for remote work.
- Guard station for controlled access points.
- Sales offices for lots, developments or temporary locations.
Because of its durability and flexibility, converting shipping container shells into office spaces has become one of the most widespread trends in the modern business environment.
Benefits of a Converted Shipping Container Office
You may still ask yourself, “Why not just build a temporary or a permanent workspace?” Below are the benefits of using shipping containers converted to offices.
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Durability: Shipping container frames are made of Corten steel, designed to last for years due to their resistance to weather and impacts.
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Mobility: Shipping units are built to be easily moved, meaning you can load the box on a truck and deliver it to your business operations site.
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Build time: Basic container office conversion can be done in 3-7 days and installed in 1-2 weeks because you already have a sturdy frame.
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Cost: 20ft converted container offices tend to cost 2-3 times less than brick-and-mortar builds of similar size/functionality (~$19,900-$30,100 vs ~$32,000-$90,000+), bringing higher ROI.
Need a practical workspace for your next project? Contact Midstate Containers at sales@midstatecontainers.com|(805) 925-4422 to discuss your your office build.
20 ft vs 40 ft Container Office: Sizes and Layout Plans
If you are comparing different container dimensions for your office, start by determining how many people and how much equipment it needs to accommodate. See the most popular applications of 20ft and 40ft units.
|
Size |
Approx. ground area |
Estimated workstations |
Base price range (per finished conversion) |
|
20 ft |
~160 sq. ft. |
1-3 workstations |
$19,900-$30,100 |
|
40 ft |
~320 sq. ft. |
4-8 workstations |
$30,600-$44,300 |
A simple 20ft container office layout plan can accommodate many basic office needs. For example, a layout for a jobsite office below includes an office/reception area with air conditioning and a storage area that can hold equipment, safety gear, tools, and hardware.
Another layout example is an open-space office with a restroom, especially suitable for remote projects, like seasonal retail or construction. It also includes HVAC and utilities, necessary for the unit’s effectiveness and comfort.
How to Plan Your Container Office Conversion
Shipping container office conversion can be a demanding process, but proper preparation helps avoid countless pitfalls. Here’s what you need to consider before you start.
Understand the Conversion Process
The container conversion process is pretty straightforward – you get the shell, cut the necessary openings, install the modifications (windows, doors, electrical, water, HVAC, etc.), insulate the interior (and sometimes the exterior), and apply the finish. Each step adds to the cost, so make sure to evaluate and factor in everything you need from the office before starting the project.
Select the right container for your office
Choose 20ft for a small private office or 40ft for a larger team space. 10ft are usually used in home projects, and 45ft are best when you need all the space possible, especially when large machinery and/or materials are involved. If you need to convert a shipping container to an office with extra headroom, go for high-cube units; they come with an extra foot in height.
Understand the need for permission
Local rules decide whether planning permission is required. Permits may be needed if the office connects to utilities, stays long-term or serves the public. Always check local building and specific requirements regarding zoning before ordering the unit or scheduling delivery.
Step-by-Step: How to Build a Shipping Container Office
Now that we know the basics, let’s discuss how to convert a shipping container into an office.
Choose and Prepare the Site
Start with picking a level site with hard, stable ground. You can also use gravel, concrete piers or compacted pads to ensure the soil doesn’t sink in under the weight of the container. Also, make sure there is at least 60 ft of turning radius, as well as 12 ft of width along the way and 14 ft of vertical space for the truck, in addition to 80-360 sq. ft. for the actual container.
Cut Openings for Doors and Windows
All the openings for doors and windows must be marked in advance. While window cut-outs vary by layout and local code, a normal personnel door is about 36 inches wide, meaning there should also be enough clearance inside for it to open and close properly.
Add Steel Framing and Insulation
Steel framing creates a cavity for insulation and interior walls. Spray foam insulation can help reduce air gaps and condensation risk in a metal shell. Rigid panels can also work when the interior plan needs cleaner wall alignment.
Install Electrical and HVAC Systems
The electrical rough-in should include outlets, light switches, breaker placement, and data runs before walls are closed. Lighting should be planned around desks and entry points, not added randomly after the build. HVAC capacity depends on size, insulation, sun exposure, and the number of people using the space.
Finish the Interior
Interior work usually includes wall panels, ceiling panels, trim, and the floor. Common interior finishes include vinyl plank, plywood wall panels, painted drywall, and durable commercial surfaces. Desks, storage, and chairs should be measured before the final layout is locked.
Add Final Touches and Safety Features
The final touches may include exterior paint, branding, steps, handrails, blinds, and security locks. A smoke detector and fire extinguisher are also often used for many office setups. If the build uses reefer-style cooling or specialty equipment, check the manual Thermo King guidance before operation.
How Much Does a Shipping Container Office Cost?
There is no single cost estimate for a shipping container because it varies by size, location, and finish level. Smaller units with fewer windows and less demanding electrical systems can be found at ~$18,500, while larger, well-insulated containers with custom branding and capable utilities can reach $40,000+.
When preparing to start a shipping container office conversion project, make sure to consider your needs and budget, so you get the ROI you expect.
|
Item |
Cost |
|
Container (10 ft) |
$4,400-$4,900 |
|
Container (20 ft) |
$3,300-$8,000 |
|
Container (40 ft) |
$8,000-$13,500 |
|
Steel entry door |
$950 for 36” doors $1,200 for 48” doors |
|
Window cutout and install (each) |
$600 for a 4’x3’ vinyl window $900 for a 4’x3’ vinyl window |
|
Interior framing and drywall |
$3,000-$4,500 (10’) $4,500-$6,750 (20’) $8,000-$12,000 (40’) $8,500-$12,000 (40’ high cube) |
|
Electrical package |
$1,200 (10’) $1,400 (20’) $1,800 (40’) |
|
HVAC mini-split system |
$5,100 (9,000 BTU) $5,300 (12,000 BTU) $5,700 (18,000 BTU) |
|
Exterior paint and coating |
$550 (10’) $750 (20’) $900 (40’) |
|
Flooring (vinyl or laminate) |
$1,000 (10’) $1,500 (20’) $2,500 (40’) |
|
Contingency, 10 to 15% |
$1,700-$2,900 (10’) $1,800-$3,930 (20’) $2,785-$5,775 (40’) $2,830-$5,775 (40’ high cube) |
|
Estimated total (10 ft) |
~$18,500-$23,000 |
|
Estimated total (20 ft) |
~$19,900 to $30,100 |
|
Estimated total (40ft) |
~$30,600 to $44,300 ~$31,200 to $44,300 (high cube) |
Prices may vary. Please refer to our catalog for the latest pricing.
Contact Midstate Containers at sales@midstatecontainers.com|(805) 925-4422 and let our experts find an office unit for your needs and budget!
Conclusion
Converting a shipping container into an office is a nice way to get extra workspace that’s more cost-effective and faster than conventional construction. Such units are highly customizable and transportable, making them suitable for on-site/remote/mobile operations.
To convert a shipping container to an office, you need to carefully plan the whole process and assess your needs to ensure you get the space and the functions you need.
