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Modular Office Complexes

BOXXPlex modular office complex buildings provide a way for you to build more office space fast. Lease or buy a building to expand as your business grows or when you need temporary swing-space. We provide you with complete turn-key installation services for your new office.
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Portable Office Building Complexes

Flexible space solutions that fit your changing needs

Whether you need space for only a couple of years or a permanent modular office building, we offer prefab office buildings for sale and lease so you can pay your way.

Our BOXXPlex office complexes are code compliant and built in the United States, ranging in size from 1,000 to more than 30,000 square feet. They are configured to include private offices, restrooms, conference or meeting rooms and large open spaces for workstations.

If you require a custom prefab office building, contact one of our Modular Experts and we will be happy to help you design a prefab Office Complex solution that meets your needs!

We have received great service from your company. It has been a great pleasure working with BOXX Modular…Thank you again for the excellent service.

Plant Manager

Size & Floor Plans

Browse our variety of modular office complexes to find a blueprint that works for you. Can't find something that fits your needs? Consider a custom modular solution. 

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4 Offices 2 Restrooms

4 Offices 2 Restrooms

NEW 24' x 56' BOXXPlex modular office complex
  • 1,344 square feet
  • 4 offices
  • 2 restrooms
  • Programmable climate control
  • High-quality exterior and interior finishes
  • For lease and sale!
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6 Offices 2 Restrooms

6 Offices 2 Restrooms

NEW 36' x 56' BOXXPlex modular office complex
  • 2,016 square feet
  • 6 offices
  • 2 restrooms
  • Programmable climate control
  • High-quality exterior and interior finishes
  • For lease and sale!
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8 Offices 2 Restrooms

8 Offices 2 Restrooms

NEW 48' x 56' BOXXPlex modular office complex
  • 2,688 square feet
  • 8 offices
  • 2 restrooms
  • Programmable climate control
  • High-quality exterior and interior finishes
  • For lease and sale!
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10 Offices 2 Restrooms

10 Offices 2 Restrooms

NEW 60' x 56' BOXXPlex modular office complex
  • 3,360 square feet
  • 10 offices
  • 2 restrooms
  • Programmable climate control
  • High-quality exterior and interior finishes
  • For lease and sale!
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12 Offices 4 Restrooms

12 Offices 4 Restrooms

NEW 72' x 56' BOXXPlex modular office complex
  • 4,032 square feet
  • 12 offices
  • 4 restrooms
  • Programmable climate control
  • High-quality exterior and interior finishes
  • For lease and sale!
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14 Offices 4 Restrooms

14 Offices 4 Restrooms

NEW 84' x 56' BOXXPlex modular office complex
  • 4,704 square feet
  • 14 offices
  • 4 restrooms
  • Programmable climate control
  • High-quality exterior and interior finishes
  • For lease and sale!
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16 Offices 4 Restrooms

16 Offices 4 Restrooms

NEW 96' x 56' BOXXPlex modular office complex
  • 5,376 square feet
  • 16 offices
  • 4 restrooms
  • Programmable climate control
  • High-quality exterior and interior finishes
  • For lease and sale!
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18 Offices 4 Restrooms

18 Offices 4 Restrooms

NEW 108' x 56' BOXXPlex modular office complex
  • 6,048 square feet
  • 18 offices
  • 4 restrooms
  • Programmable climate control
  • High-quality exterior and interior finishes
  • For lease and sale!
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Seating & Conference Packages
Seating & Conference Packages

If you need seating for a lunchroom, meeting room, conference room, or for any other reason, BOXX Modular has multiple table and chair packages to choose from.

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Office Packages
Office Packages

Our office packages include all the essentials, including a desk, chair, floor mat and garbage can. We also have other add-on products for extra comfort, decoration and more.

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Stairs & Entryways
Stairs & Entryways

From stairs, ramps and canopies to mats and boot scrapers, our team of modular experts can help ensure that you have everything you need for your modular building.

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Benefits of Modular Office Complex Construction

Compare the benefits of Modular Buildings over traditional construction.

Benefits-of-modular

Prefab offices come with many benefits. For one, their time to completion is faster than traditional construction. This allows you to get the space you need in a quick manner, without the hassle. And because they are built in factories, there is less site disturbance to your location. 

Another significant benefit of modular office complexes is that they're more affordable than site-built construction. If you are looking for a fast and affordable space solution, modular construction may be right for you.   

Building Materials

Building Materials

Modular offices are built with:

  • Solid wood framing
  • Steel exterior walls and durable rubber roofing
  • Vinyl-covered gypsum and vinyl composite flooring inside

These office modular systems are fully equipped with electric and plumbing, energy-efficient lighting, and are HVAC controlled with programmable thermostats for comfort.

Lease and Purchase Process

Lease and Purchase Process

  1. Identify your needs
  2. Request a quote
  3. Prepare for delivery

We make the process simple, understanding you keep a busy schedule. 

You may be able to get a prefab office building without going out to bid! Learn More About Piggyback Contracts and Cooperative Purchasing Agreements.

Learn more about our process
Delaware River Stevedores
Case Study

Delaware River Stevedores

Recognizing that they would be better off handling all terminal administrative activities from one building, Delaware River Stevedores (DRS) decided to pursue placing a large modular building at the marine terminal. BOXX Modular recently completed their brand new 7,500+ square foot modular office building which allows DRS to consolidate their office space into one structure.

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Turnkey Solutions

A turn-key construction project, from floor plan layout to exterior paint colors, this building was custom built to exactly meet DRS’s specifications.

Benefits of Modular

When commercial & industrial companies are looking for durable office space in a short time-frame, modular office buildings are a great solution.

Code Compliant

The project included code compliant decks, steps, and ramps. Site constructed awnings were included to protect visitors and occupants from the weather. 

7,500 sq. ft.

DRS is now able to have their administrative staff all under one roof so that they can more effectively carry out their daily operational responsibilities.

Buy Used Mobile Buildings

Buy Used Mobile Buildings

BOXX Modular offers an inventory of used modular buildings, modular complexes and other modules for sale. Our multi-use portable units are available with significant savings over buying a new modular building.

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Frequently Asked Questions

A BOXXPlex modular office complex is a large, prefabricated office space built from multiple connected modules. Designed for flexibility and scalability, it can be customized, expanded, or downsized as your project needs evolve, without the delays of traditional construction. BOXXPlex complexes are durable, code-compliant, and ideal for industries needing professional, high-capacity workspace on a tight timeline.

Absolutely. Modular offices are versatile and can be leased for temporary needs or purchased as permanent structures.

Yes, BOXXPlex modular office complexes are designed for easy expansion or downsizing. As your workforce grows or project needs shift, additional modules can be seamlessly added—or removed—without major disruption. This flexibility allows organizations to scale their office space quickly and cost-effectively.

Yes, BOXXPlex modular office complexes are built to meet or exceed regional building codes for security and weather resistance. They’re engineered to withstand extreme weather conditions, whether it’s intense heat, heavy snow loads, high winds, or driving rain.

Yes, BOXXPlex modular office complexes are built off-site and delivered ready for installation, making them a practical solution for remote or off-grid locations where traditional construction may be challenging.

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