Mobile Office Sales & Rentals
For over 40 years, Triumph Modular has been a leader in mobile office rentals and sales, providing secure, flexible, and efficient workspace solutions. We specialize in mobile office trailers and office containers, available for lease or purchase to meet temporary or long-term business needs.
Trust Triumph Modular for high-quality, reliable mobile office solutions tailored to your project.
Container Offices for Rent
Secure Ground-Level Office Containers for Jobsites and Temporary Workspace
Triumph Modular’s container offices provide a secure, ground-level alternative to traditional construction trailer rentals. These weather-tight office containers are designed for jobsites, infrastructure projects, temporary administrative space, and other commercial uses where fast setup and minimal site disruption matter.
Delivered ready to use with heating, cooling, lighting, and optional desks or storage combinations, our container office rentals offer practical workspace wherever you need it most. Explore available sizes and layouts below.
Available Container Office Sizes
Need Extra On-Site Storage?

20′ Storage Container
This is the smallest of our containers. However, it still carries a payload of up to 48,130 lbs and has a total capacity of 1,176 cubic feet. It measures 20′ x 8′ x 8.6′ and, when empty, weighs 4,780 lbs.
40′ Storage Container
This container carries a payload of up to 59,140 lb and has a total capacity of 2,386 cubic feet. It measures 40’x 8’x 8’6″ and when empty, weighs 8,060 lbs.
Container Office FAQs
Q: What is a container office?
Q: What are the benefits of choosing a container office?
A: Container offices are durable, secure, and designed for demanding jobsite conditions. They fit in tighter spaces than many traditional office trailers, are easy to place at ground level, and provide a practical on-site workspace when fast setup and minimal disruption matter.
Q: How much does it cost to rent a container office?
A: Container office rental costs depend on the size of the unit, lease term, delivery location, and any optional features. The 8×20 office container is typically the more economical option, while the 8×40 provides more workspace at a higher monthly rate. Triumph Modular can provide pricing based on your project needs.
Q: Do container offices have electricity and HVAC?
A: Yes. Triumph container offices include electrical systems, lighting, and HVAC for heating and cooling. Customers are typically responsible for bringing utilities to the unit and arranging final connections as required for the site.
Q: How many people can work in an 8×20 container office?
A: An 8×20 container office provides about 160 square feet of workspace and is typically well suited for 1 to 3 people. It is a strong option for site supervisors, small field teams, or compact administrative use.
Q: How many people can work in an 8×40 container office?
A: An 8×40 container office provides about 320 square feet of space and is typically suitable for 2 to 6 people. The larger footprint can support multiple desks, meetings, or a combination of workspace and storage.
Q: How quickly can a container office be delivered?
A: In many cases, Triumph Modular can deliver and set up a container office within a few days, depending on availability, delivery location, and site readiness.
Q: Do I need to get a permit for my container office rental?
A: Permit requirements vary by municipality and jobsite. Some locations may require site, zoning, or temporary-use approvals before delivery. It is always best to confirm local requirements before moving forward with a rental.
Q: Do Triumph container offices include security screens?
A: Security screens and door bars are available as optional add-ons. These features can provide added protection for equipment, documents, and other valuable contents inside the container office.
What Customers Say About Our Mobile Office Trailers
See what customers say about Triumph Modular’s mobile office trailers, service, and project support.
“Brendan,
It was a pleasure dealing with you. I highly recommend your services. Trailer was perfect, installation excellent.”
“You guys were great to work with. Trailer was delivered as expected… Look forward to renting from you guys again.”
— Project Manager, Confidential Construction Company“We were very happy with your service on our recent project. We look forward to using you again.”
— Project Superintendent, Confidential Construction Company“Great to do business with… Unit was brand new, no issues, prompt service.”
— Lewis Zaj, General Contractor“We’ve had a fantastic experience… Shari went above and beyond… double-wide trailer is perfect.”
— Meghan T., Facilities Manager, Town DPW“Great vendor for jobsite trailers… Ask for Matt Dickinson, he will take care of you.”
— John Scott, Project Superintendent, Walsh Construction“Very accommodating when our job had to move trailer locations.”
— Confidential, Estimator, Confidential Construction Company“Triumph Modular has been a long time partner… Always know that the solution is only a phone call away.”
— CEO, Confidential Construction PartnerWhy Organizations Trust Triumph Modular
Over 40 Years of Proven Excellence
Industry-Leading Mobile Office Fleet
Full-Service Modular Office Solutions
Turnkey Support from Start to Finish
Regional Locations for Fast Delivery




