A 4 stall restroom trailer serves crews and guest counts that outgrow single units, typically 100 to 300 people over a work shift or event day. Mobile Porta Pros sets these on job sites across Mobile, AL and at weddings, festivals and fairs where a bank of standard units feels like a compromise.
Trailer pricing runs wide because event length and hookup needs vary. A single day rental falls between $175 and $2,500 depending on trailer class, while a full weekend books between $900 and $3,000. Week-long rentals for construction projects or long festivals land between $150 and $1,650, and multi-day events sometimes book on an event rate between $2,499 and $3,899. Compare the restroom trailer rental cost page for the other stall counts before you commit.
| duration | low | typical | high |
|---|---|---|---|
| day | 175 | 800 | 2500 |
| weekend | 900 | 2000 | 3000 |
| week | 150 | 1397 | 1650 |
| event | 2499 | 3500 | 3899 |
Delivery adds a separate charge, generally $100 to $500 for a single day drop or $50 to $150 if it is billed weekly. Ask about that when you request a quote, since site access in Mobile changes the number.
Four private stalls, each with its own door and lock, plus a shared exterior or interior hand basin bank. Compare that layout against the 2 stall restroom trailer if your guest count is smaller, or size up to the 8 stall restroom trailer for anything past 300 guests. If you want climate control and finish upgrades, look at the luxury restroom trailer instead of the standard build.
Every unit we place needs to satisfy basic sanitation math. OSHA 1926.51(c) sets the construction ratio at one toilet facility for 20 workers or fewer, stepping up as crew size grows, so a 4 stall trailer often replaces six to eight standard porta potty rental units on a mid-size Mobile job site. For handwashing, 29 CFR 1910.141(d)(2) requires soap and towels or a hand-drying device, not sanitizer alone, which is why we build a basin station into every trailer rather than relying on a stand-alone handwashing station rental.
Not automatically. Most 4 stall units are built for foot traffic, not wheelchair clearance, so if your event needs a compliant stall you should pair the trailer with a dedicated ADA accessible porta potty unit. ADA Standards section 213.2 requires that at least 5 percent of clustered single-user units be accessible, with a minimum of one, and section 304.3.1 calls for a 60 inch turning circle inside that unit. A door meeting the 32 inch clear opening under ADA Standards section 404.2.3 will not fit most trailer stall frames, so plan for a separate accessible unit rather than assuming the trailer covers it. Review the ADA restroom requirements guide before finalizing headcount.
Placement matters too. A roll-off style delivery truck needs about 60 feet of straight clearance behind it to set the trailer level, so gravel lots and tight downtown Mobile addresses need a site check first. See the porta potty placement guide for ground and clearance notes that apply to trailers as well as standard units.
Comfortably 100 to 300 guests across a single event day, more for a multi-day festival with servicing between sessions. Crews spread that traffic across construction shifts differently. For exact headcounts, use the how many porta potties do I need calculator before booking.
Placement in the public right of way needs confirming with the city before delivery. We have not verified a specific Mobile ordinance for trailer setback or permit fees, so check with the relevant department directly and see porta potty permit requirements for what to ask.
Yes, for crews between roughly 40 and 80 workers it often works out cheaper than a long row of single units. Smaller sites still do better with portable toilet rental units. Check current numbers on the porta potty rental cost page.
Stall count and footprint. The 4 stall model suits mid-size weddings and job sites; the 8 stall restroom trailer is built for festivals and race events pushing past 300 attendees over a single day.
Delivery is billed separately from the trailer rate, generally $100 to $500 for short-term jobs. Daphne sits about 16.8 miles east and Tillmans Corner about 10.4 miles southwest of Mobile, and distance affects the delivery quote, so confirm the number on request a quote.
Yes. Mobile Porta Pros delivers 4 stall restroom trailer across Mobile and the surrounding metro, with same-day and next-day drop-off available on most orders.
Pricing depends on the unit and how long you need it. See our cost breakdown and request a free quote for an exact figure.
Standard rentals include scheduled service — a pump-out, a clean, a restock and fresh deodorizer. Busy or hot-weather sites can be serviced more often.
Call now or request a free quote — clean units, on-time delivery, transparent pricing.
