Bathroom Trailer Rentals: Which Setup Fits Your Event or Job Site
byKatie Antonucci
Nov 10, 2026
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Bathroom trailer rentals give a crowd or a crew something a row of portable units cannot: a walk-in room with flushing toilets, freshwater sinks, and air conditioning and heating.
A Royal Flush owns 80 restroom trailers and 90 service trucks, and delivers from its Bridgeport, CT base across Connecticut, New York and New Jersey. The right pick depends less on style than on headcount, hours of use and what the site can supply.
Bathroom trailer rentals versus a row of portable units
A single-stall unit is the right tool when guests are spread across a property or access is tight. A trailer is the right tool when everyone arrives at the same place and stays for hours.
Bathroom trailer rentals at A Royal Flush run from 8 ft to 28 ft in length. Inside, the larger models have separate women’s and men’s sides, flushing porcelain toilets, freshwater sinks and interior lighting. Because the trailer is one unit, you get one delivery, one footprint and one service stop instead of a dozen.
Two models cover most requests. The 16 ft trailer is rated for up to 100 guests, and the 24 ft trailer is rated for up to 200 guests. Treat both as planning figures for steady use, then add a size up if everyone will arrive at the restroom at once, such as after a keynote or between acts.
Feature
16 ft trailer
24 ft trailer
Planning capacity
Up to 100 guests
Up to 200 guests
Fixtures
2 ladies’ stalls, 1 men’s stall, 1 urinal
4 to 5 ladies’ stalls, 2 men’s stalls, 3 urinals
Climate
Air conditioning and heating
Air conditioning and heating
Power
One 20 amp extension cord
Four 110v 20 amp cords
Water
One standard garden hose
One standard garden hose
Length with extended stairs
24 ft by 12 ft
30 ft by 12 ft
Specs as listed on A Royal Flush’s 16 ft and 24 ft restroom trailer pages.
Full specs are on the 16 ft trailer and 24 ft trailer pages. If your headcount sits between the two, ask for a recommendation, since the team can size a trailer to your event.
Bathroom trailer rentals for corporate events and festivals
Company picnics, product launches, fundraisers and community festivals share a pattern: guests stay on site for hours, and the restroom is part of how they judge the event. A trailer with climate control keeps the line short and the experience comfortable in July or in January.
Place it where guests can find it without a long walk, and keep it out of the main sightline. For a large festival grounds, one trailer at the center plus smaller units at the edges spreads the traffic better than one location alone.
A Royal Flush also supports events and weddings with attendants and technicians, so the trailer stays stocked and clean while the event runs.
A Royal Flush · Bridgeport, CT
Planning an event or a job and unsure which trailer size fits? A Royal Flush will match the trailer to your headcount and venue, and the estimate is free.
On a work site, the legal minimum and the practical need are different numbers. OSHA’s sanitation standard for construction requires at least one toilet for 20 or fewer workers, and larger crews need more. A trailer packs several stalls into one footprint, which helps when a long crew shift ends and everyone heads for the restroom at once.
Bathroom trailer rentals suit projects where workers expect a heated space in winter and a cooled one in summer. For site conditions, delivery and the full work site lineup, see the construction rentals page.
Heat, cold and weather
Weather is where a trailer earns its place. Both the 16 ft and 24 ft models list air conditioning and heating, so guests and workers get a restroom that stays comfortable when a portable unit would be baking in August sun or freezing in a January wind.
That matters for events with older guests, children or formal attire, and for crews working long shifts outdoors. It also matters for cleanliness, since people linger less in a space they dislike and the line moves faster when the room is pleasant.
Plan for the weather you may get, not the forecast you saw a week out. A trailer rented for a spring event in Connecticut can face a cold snap, and one rented for an August festival in New Jersey can face a heat wave.
What the site must supply before delivery
A trailer arrives ready to use, but it needs power and water from the site. The 24 ft model runs on four 110v 20 amp cords and one standard garden hose. The 16 ft model needs a 20 amp extension cord and one garden hose. When the site cannot provide either, a generator and a water supply are available options.
Check three things before you book:
Footprint. Add the extended stairs to the length and width, since both grow when the stairs are deployed.
Delivery route. The trailer is 13 ft high, so look for low branches, wires and tight gates along the path.
Ground. Level, firm ground makes setup faster, and a service technician can handle placement, leveling and utility connections.
When a trailer is more than you need
A trailer is not always the answer. For a small gathering of a few dozen people with a short program, a pair of standard units may be enough. For a long property with several gathering points, a few single stalls placed around the grounds can shorten the walk better than one trailer at the center.
A Royal Flush owns a fleet of 10,000 portable restroom units alongside the trailers, so you can mix the two. The team can recommend a combination once you share the date, headcount and layout, and it will tell you plainly when the smaller option does the job.
Upgrades that change the experience
The base trailer is comfortable on its own. A few options change how it works for a given crowd:
Restroom attendant. Keeps surfaces clean, restocks paper products and manages the line during peak use.
Presidential interior. An upgraded finish for events where the look matters.
Additional weekly service. Useful for rentals that run longer than a few days.
Damage waiver. Listed as an available option on both models.
If one VIP stall is all you need, luxury porta potty covers when a single flushing unit is enough.
What to send when you ask for a quote
A fast, accurate quote starts with a handful of details. Send them together and the team can confirm availability and recommend a size without a second round of questions:
Dates. The delivery day, the event or work dates and the pickup day.
Location. The street address, plus any gate, hill or tight turn on the route.
Headcount. Guests for an event, or workers per shift for a job site.
Utilities. What power and water the site can supply, and whether you need a generator or water supply.
Extras. Whether you want an attendant, Presidential interior, additional weekly service or a damage waiver.
Frequently asked questions
How much space does a bathroom trailer need?
A 16 ft trailer is 16 ft long and 8 ft wide, and the 24 ft model is 24 ft by 8 ft. Both grow when the extended stairs are deployed, to 24 ft by 12 ft and 30 ft by 12 ft. Both stand 13 ft high.
Do bathroom trailers have air conditioning and heating?
Yes. Both the 16 ft and 24 ft trailers list air conditioning and heating, plus interior lighting, flushing porcelain toilets and freshwater sinks.
What power and water does a bathroom trailer need?
The 24 ft trailer needs four 110v 20 amp cords and one standard garden hose. The 16 ft trailer needs a 20 amp extension cord and one garden hose. A generator and water supply can be added if the site has neither.
How many people can one bathroom trailer serve?
A Royal Flush rates the 16 ft trailer for up to 100 guests and the 24 ft trailer for up to 200 guests. For a crew, count workers per shift and ask the team to size the order against the OSHA minimum.
Ready to line up bathroom trailer rentals for your date? More than 30 years of event and construction rentals across Connecticut, New York and New Jersey means your estimate reflects what the job actually takes, not a national average. Get a free estimate or call (877) 812-4453 with your date, headcount and site, from Bridgeport to Newark.
