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?


On Site Expanding Portable Restrooms to St. Louis, Missouri

On Site Companies is proud to announce the expansion of our portable sanitation products to the St. Louis, Missouri area. We have served the St. Louis area for many years with our array of portable heating and air conditioning products, which we have greatly enjoyed doing. Because we believe in the area so much, we believe that our portable sanitation services would also be a good fit for the community.

Our trained service employees will be providing services such as portable restrooms, hand washing stations, luxury restroom trailers and shower trailers to the entire greater St. Louis, MO area. These products provide proper portable restrooms and sanitation to special events, construction and weddings.

Because of the expansion of construction and development in the area, we believe that adding our portable restroom services to our current temporary heating and air conditioning line can provide extra convenience and simplicity to the process of ordering equipment for construction sites. We can now offer standard portable restrooms, hook units, mobile restroom units, high-rise restrooms and deluxe flush mobile offices for construction worker’s portable restroom needs. We also have hand washing stations, hot water sanisinks and luxury restroom trailers, if you are looking for an extra touch of class on your construction site.

We can also provide new offerings to the special events and wedding community in the St. Louis area. Our standard portable restrooms are perfect for outdoor events large and small. These restrooms are always delivered clean and sanitized, and our excellent service will make sure your event is a success.

We can also offer luxury restroom trailers to the St. Louis, MO area. These trailers are equipped with all of the comforts of a standard restroom you would find in any stationary building. Running water sinks, flushing toilets and event built in stereo systems make these restroom perfect for weddings, large special events and VIP areas at concerts.

If you would like to inquire with our St. Louis office about reserving your portable sanitation equipment for construction or special events, please feel free to call us at 636-519-0507 or email us at stlouis_sales[at]

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