Office Trailer Restrooms

Multimedia Assets

Our Mobile Office Restroom System offers your office staff privacy, comfort and security on the construction site with a freshwater flushing restroom conveniently installed inside your onsite mobile office trailer. The system is self-contained with its own water source inside the trailer, and drains to an outside above-ground waste holding tank available for servicing 24/7. The space efficient design allows the system to fit in any trailer, including Modspace and Williams Scotsman. Winterization packages are also available in cold weather markets to prevent damage and inconvenience caused by freezing.

  • Where a water source and/or sewer hookup is not available, maintain a sense of normalcy by offering your staff and guests the convenience of indoor plumbing with non-potable water.
  • Space efficient design for office trailer interiors
  • Prompt Installation – our skilled technicians can be on site for next day installation (some restrictions apply)
  • Delivery, set up and pick up performed by experienced, background checked technicians with the finest equipment in the industry from local branch locations near your neighborhood
  • Reliable on-demand electrical water pump – runs on regular household current and shuts off automatically when water runs low
  • On-call service from experienced USS technicians
  • 55 or 100 Gallon Water Sheds
  • 100 - 300 Gallon Waste Holding Tanks (available offerings vary by location)
  • Translucent tanks to Monitor Water Level

Optional Upgrades include:

  • Hot Water Sink with potable water (potable water supplied by customer)
  • On-call service from experienced USS technicians
  • Winterization Package


  • One 15-amp 120-volt electrical circuit per office trailer, which must be installed prior to installation.
  • Minimum 18" clearance underneath office trailer for waste holding tank.

Waste Tanks:

  • Capacity: 100 - 300 Gallons
  • Height: 12" - 18"
  • Length: 4' - 8'
  • Width: 4' - 5'

Water Tanks:

  • Capacity: 55 - 100 Gallons
  • Height: 34" - 60"
  • Diameter: 24"

(All product specifications are approximate and may vary based on local branch offering)

Use application: 
  • Construction Project Management Offices
  • New Development Model Home Offices
  • Permanent Business Locations