How Much Does it Really Cost to Rent a Porta Potty?

Porta potties aren’t just for construction zones. They can be utilized during large scale events such as concerts and weddings, or other events like TV shoots, long camping trips and more. There are many factors that determine the pricing structure for renting portable restrooms—which can include location, availability, length of rental, permits and maintenance fees…. Read more »


What You Should Know About Modern Portable Toilets

At Mr. John, we’re proud to offer so much more than the standard porta potty. Believe it or not, there are all sorts of varieties and sizes to choose from. For instance, The Flush Plus, which includes a hands-free pumping flush and a self-contained fresh water sink. Other upgrades within this model include a mirror,… Read more »


Introducing the Sani Stand!

In addition to our Freshwater Sink, we are now excited to offer another free standing hand cleansing option, our NEW Sani Stand!   Our Sani Stand takes seconds to setup, is easy to relocate and has a heavy duty base that helps prevent tipping. Each mobile sanitizer station includes two hand sanitizer dispensers, and is delivered filled with hand… Read more »


Removing The Stereotype

Sporting events, construction sites, oil & gas sites and festivals. These are all locations one would expect to see portable restrooms. And this is why we want to step in to set things straight!    Us at Mr. John & Tri-Boro Trailer want you to rethink your definition of portable sanitation for upscale events and… Read more »


Winter Is Around The Corner!

Winter can be unpredictable. Be prepared and cozy with our featured products providing maximum comfort and productivity for your people and materials!   8×32 Combo This mobile office and storage combo trailer includes a single office with one entry door and storage area with roll up garage door. Features for this unit include: standard furniture… Read more »


Something Old, Something Blue, Mr. John Can Be Your Something New

Between the flower arrangements, seating charts, and double checking that you didn’t forget to invite your distant cousins, weddings can be a bit stressful. Thankfully, Mr. John is here to help! Comfort, Convenience, Beauty, and Style are what we keep in mind as our top priorities for special events like weddings. Our Elite Series (28,… Read more »


New Tri-Boro Trailer Site Has Arrived

Out With The Old and In With The New! Sorting through various products and pages can be overwhelming, so we wanted to make Tri-Boro Trailer’s website more efficient than ever. Our newly redesigned website has enhanced, user-friendly features giving site visitors ease when navigating through pages, printable PDF’s, guidelines, and much more. What Else Is… Read more »


The pieces of Mr. John

At Mr. John, we are passionate about our work and delivering reliable service to our customers each and every time.  Quality makes a difference and here is what separates us from the competition.


Oh, the places we’ll go!

Whether you have a job in Pittsburgh PA or Nashville TN, Mr. John is ready to handle all of your portable sanitation needs. Our portable toilets come in all shapes, sizes and varieties. We can add a sink, a sling or a heater to any portable toilet in our fleet. We have restrooms perfect for… Read more »