Restroom Calculator

Need an estimate for how many porta potties your event needs? Use this handy calculator! For a more specific quote tailored to your needs, call us today at 800-210-8407!

My event is estimated at attendees, for hours.
  • Will there be more women than men?
  • Will there be alcohol served?

Your Estimated Sanitation Services

Based on what you've told us, we've generated this estimate for your needs.

If you have more details or would like expert advice to make sure you get the best sanitation solution, please call us at 800.210.8407.

Estimated Standard Portable Restrooms Needed: 0
Estimated Hand Wash Stations Needed: 0
Estimated Enhanced Access Restrooms Needed: 0

Looking for a custom quote on those items?


Portable Restrooms

Choose a Product

Crowd gathering
Truck and portable restrooms
Clowns in portable restrooms

Upgrading Your Standard Porta Potty Options

Are you looking for a reliable source for a porta potty rental in St Louis, MO? We can help! On Site Companies knows everything there is to know about portable restrooms for construction sites, special events, and homeowners. We offer a wide range of options for a porta potty rental in Rochester, MN with various amenities and functionalities to meet your needs. From our standard construction unit to our specially designed high-rise unit, our clean and accessible restroom options provide comfort and privacy to your crew, guests, and family.

Your Portable Restroom Rental

All of our portable restrooms are available for rent in the Minneapolis, St. Paul, Mankato, Rochester, and Duluth, MN areas as well as St. Louis, MO. Our dedicated team is here to accommodate your job site or event. We offer simple cleaning service upgrades if your workload changes. We also offer responsive customer service for any event needs.


Per OSHA standards, employers with 20 or fewer employees must provide one toilet to their workers. Employers with 20 or more employees must provide one toilet and one urinal per 40 workers. If an employer has 200 or more employees, one toilet and one urinal are required for every 50 employees. Our portable porta potty units will help you stay compliant.


To ensure optimal restroom cleanliness and sanitation, we use special chemicals that quickly break down water and kill bacteria and germs to leave behind sparkling and sanitary porta potties. We pride ourselves on elevating the standard of portable toilets through our thorough cleaning and upkeep process.


Our outside bathroom rentals are compact and easy to move. This makes them ideal for spaces where you need to arrange and fit as many toilets as possible. You’ll be able to use more units in a limited space while still providing a comfortable experience and the convenience of not having to wait in line.


Neglecting to provide portable restrooms for your construction workers can easily decrease productivity. If you don’t provide portable restrooms for your workers, then they’ll have to leave the job site to use a restroom elsewhere. Our local porta potty rental units make it easy to move and place in different locations and levels to accommodate your shifting job site.


All of our portable restrooms are properly and regularly serviced with all waste disposed of in an environmentally friendly manner, according to all laws and regulations. We ensure your porta potties feel fresh and new during your entire rental period. Our reliable team is ready and available to assist with any needs you may have when you’re looking for a porta potty rental in St Louis, MO.

Contact Us About Portable Restroom Rental Options

For more information about the portable bathroom rental options we offer at On Site Companies, call us today at 651.429.3781 or email [email protected].

Questions? Get In Touch!

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