How Many Toilets Do You Need Per Person?

So you’re thinking about placing an order for porta johns, but you have some questions. More likely than not, one of those questions is how many? If you’re hosting an event, the general rule of thumb is to provide at least one restroom per every 50 people. The larger the crowd, the more this number… Read more »


Do You Need a Permit for a Porta Potty?

If you’re planning to host an event and know you will need to provide restroom facilities, you may be wondering about the details and requirements to do so. Keep reading to learn what they are. Many localities require you to apply for a special events permit when planning a gathering that will involve more than… 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 »


10′ Containers and 40′ Container Office & Storage Combos added to our Fleet!

In addition to our 20′ and 40′ Storage Containers, Mobile Office Trailers and 20′ Ground Level Office Containers, Mr. John and Tri-Boro Trailer now offer 10′ Storage Containers and 40′ Container Office & Storage Combos!   10′ Storage Container Tri-Boro Trailer’s 8×10 storage containers are safe, convenient, and small enough to fit in a standard parking spot…. Read more »


We’ll See You There!

Only 3 days away, Picklesburgh is one of our highlighted events we provide our products for! Starting this Friday, July 20th through July 22nd, you can splurge all of your pickle fun with food, games, music, and pickle-related drinks! Pittsburgh-related events continue the connection we have to our home, our city, and our favorite people!… Read more »


We Are Hiring!

Interested in working for Mr. John & Tri-Boro Trailer? We are hiring! We are in need of licensed Class A CDL Drivers and are currently offering $1,000 signing bonus as well as competitive pay! For more details and the hiring page, follow the link below! Click Here To Start Your Career Today!     Check… Read more »


Is One Toilet For A Single Event Enough?

   When the weather is warmer and the sun is out, it’s safe to say that summer is approaching and so are the activities! Most would agree that this is the time for parties, bonfires, reunions, and even last minute get-togethers! Planning the details of an event can be tiresome and we get it, you… 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 »


Pittsburgh Penguins Debut!

  Playoffs. Game 1. Mr. John. It’s no secret that Mr. John LOVES all things Pittsburgh, especially the Pens! To make it even better, we are excited to announce the FIRST televised commercial will be airing during the pregame show tonight!  Catch it live on AT&T SPORTS NETWORK (ATTSN-PT) or anytime on our homepage at mrjohnpit.com.  … Read more »