Do you offer options with your trailers?

We recommend that all office trailer rentals include steps, block & level, and tie down service. In addition to these standard options we offer skirting for long term rentals and sales trailers, as well as tables and chairs for lunch rooms, training rooms, and change trailers.


What are the electrical requirements for Mr. John trailers?

All units have a main power panel that is stubbed out through the bottom of the unit. Each is pre-wired, eliminating the need for any internal wiring. The main breaker in sizes 8’ wide office trailers will require a 60 amp service with a voltage of 220. The main breaker in sizes 10’ & 12’… Read more »


Do you provide phone or data jacks?

Some of our trailers are built with them. If a trailer does not have phone or data receptacles we recommend a certified technician install them to avoid improper install. Please call our office at 1-800-427-4089 before making any modifications to avoid damage charges. All modifications must be approved by Mr. John management.


Is routine maintenance and cleaning included in my lease?

All Mr. John construction, office, and restroom trailers are cleaned and inspected by a qualified Mr. John employee before delivery. The customer is responsible for regular cleaning and maintenance in order to return it in the same condition it was delivered.