What Is a 4 Stall Restroom Trailer?
It is a towable trailer split into private stalls, usually with separate sides or a shared bank of doors, built for steady foot traffic without the line-up you get from single units. Compare it against the 2 stall restroom trailer if your headcount runs lighter, or the 8 stall restroom trailer if you are staffing a larger festival grounds. Most 4-stall trailers flush, run sinks off a fresh water tank, and hold gray water separately, which puts them closer to the deluxe flushable porta potty experience than a basic unit. Carmel Porta Pros checks each site for level ground and a clear approach before delivery day, the same clearance concern that applies on a restroom trailer rental delivery generally. If your event calls for something nicer, ask about the luxury restroom trailer line instead. Door width and turning space matter if any guest uses a wheelchair; ADA Standards section 404.2.3 sets a 32 inch minimum clear door opening, and section 403.5.1 calls for a 36 inch clear route to reach it. A dedicated accessible unit, built to those same standards, is available through our ADA accessible porta potty line if a stall inside the trailer will not meet a guest's needs.
How Many Stalls Do I Need for My Event?
Four stalls generally covers a crowd in the low hundreds over a single day, but the right count depends on duration, alcohol service and whether you also need a men's urinal split. Our how many porta potties do I need guide walks through the math event planners use. For construction crews instead of guests, OSHA 1926.51(c)(1) sets the ratio at one toilet facility per 20 workers, moving to one seat and one urinal per 40 workers once headcount passes 20; that standard governs construction site services more than most trailer rentals. Weddings in Carmel often pair a 4-stall trailer with a wedding restroom rental package that adds a sink station up front for photos. Festival organizers comparing options should look at festival restroom rental or concert restroom rental pricing side by side, since crowd flow differs from a static work site.
What Does a 4 Stall Trailer Cost to Rent?
| duration | low | typical | high |
|---|---|---|---|
| day | 175 | 800 | 2500 |
| week | 150 | 1397 | 1650 |
| event package | 2499 | 3500 | 3899 |
A single weekend booking, common for Carmel weddings and small festivals, typically lands between 900 and 3000 dollars depending on trim and add-ons. Full breakdowns by duration and feature level live on our restroom trailer rental cost page, and general porta potty rental cost comparisons help if you are weighing a trailer against standard units. Delivery adds a separate line, and 29 CFR 1910.141(d)(2) requires soap and towels or a hand-drying device at any washing station we set up, not sanitizer alone. Carmel sits 7.5 miles south of Westfield and 12.6 miles southwest of Noblesville, both inside our regular delivery radius, and we also cover Zionsville and Whitestown runs on request.
How far in advance should I book a 4 stall trailer?
Book 2 to 4 weeks out for a normal weekend, longer during graduation and festival season when Carmel calendars fill fast. Rush requests still go through our emergency porta potty rental line, but trailer availability is tighter than standard unit availability.
Does the trailer need a power hookup?
Most 4-stall trailers run lighting and pumps off an onboard battery or generator, so a hookup helps but is not always required. Ask about a temporary power pole if your site has no power at all.
Can I get an ADA-compliant trailer instead?
Not every 4-stall trailer meets ADA door and clearance specs inside every stall. Pair the trailer with a standalone ADA accessible porta potty unit if you need certainty, since section 213.2 requires at least one accessible unit in a cluster.
What is the difference between renting a trailer and standard units?
A trailer flushes and includes sinks with running water, closer to what you would get in a building. Standard units, covered on our portable toilet rental page, cost less and set up faster for basic job site coverage.
Do I need a permit to place a trailer in Carmel?
Placement on private property is usually straightforward, but anything touching the public right of way needs confirming with the city. See our porta potty permit requirements page before you finalize a street-facing location.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.