Mr. John Announces Promotion of Adriana Stahl to Director of Human Resources

Mr. John is excited to announce the promotion of Adriana Stahl to Director of Human Resources, effective August 2, 2021. Adriana joined Mr. John as HR Generalist in May 2016 and most recently served as HR & Safety Manager. During her time with the company, she developed and implemented strategic human resources initiatives that yielded… Read more »


Your link to Temporary Fencing is here. Commercial Construction • Housing Developments • Remodels •Public Works Projects • Emergency Response • Special Events FENCE PANELS • Sturdy and reliable alternative to in-ground posts• Easy to install, maintain, and remove• Installs on a variety of surfaces• Repositions easily STANDS AND WEIGHTS • High-visibility reducing trip hazard•… Read more »

Mr. John announces Leadership Promotions

Mr. John Announces Leadership Promotions

Mr. John is excited to announce the promotion of David Kropf to Director of Operations, and Joseph Hatherley Jr. to Director of Safety & Compliance, effective July 19, 2021. David Kropf joined Mr. John in 2015 serving as Operations Manager for the last 6 years. Over that time David helped transform portable toilet operations, enabling… Read more »

Mr. John is Live on the Salesforce Platform

As of 6pm EST July 19th, 2021, Mr. John is officially “Live” on the Salesforce Platform for sales, billing, and field service. Our system is designed to give customers a great buying experience, and faster, smarter service. After years of passively searching for a solution, we decided to make new software a priority in 2018…. Read more »

wheelchair accessible porta potty

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 »

row of porta potties in downtown Pittsburgh

Porta John Science: How do Portable Toilets Work?

Porta johns. Porta potties. The portable toilet. No matter what you call them, these standalone restrooms are always there for us when we need them most. But where exactly does all of that waste go? And how do portable toilets actually work? We’re here to give you the explanation you’ve been waiting for. The process… 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 »

mr john porta potty overlooking pittsburgh

How to Empty a Portable Toilet

If you’ve ever used a porta potty, you may have wondered if and when a toilet of its size is ever emptied. The answer, of course, is yes. In sanitation worker terms, it’s called “servicing.” Servicing involves emptying the toilet of waste and also several other steps to restore the restroom back to clean conditions…. Read more »

How much does it cost to rent a porta potty?

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 »

wooden outhouse

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 »