What Comes In a 4 Stall Restroom Trailer?
Think four enclosed stalls, running water, and real flush toilets, a step up from a standard porta potty rental or even a deluxe flushable porta potty. Chicago clients use these for weddings, block parties and mid-size construction crews who need something nicer than a plain unit lineup. Each stall has its own door and sink access, which matters for a wedding at a Chicago venue where guests expect more than a standard porta john rental. Compare that to a 2 stall restroom trailer for smaller gatherings or an 8 stall restroom trailer for anything past 300 people. Hookups matter too. ADA Standards section 403.5.1 calls for a minimum 36 inch clear route to any accessible restroom, so leave that clearance in your site plan if you are adding an ADA accessible porta potty alongside the trailer. If you need washing beyond the sink inside the trailer, a separate handwashing station rental covers crews working near paint or coatings, which falls under OSHA 1926.51(f)(1).
How Much Does a 4 Stall Restroom Trailer Cost in Chicago?
Pricing runs by the day for short events and by the week for longer builds. Delivery is a separate line item, and it depends on distance. A job 11.1 miles south in Oak Lawn costs less to reach than one 24.6 miles northwest in Glenview, so ask for a delivery quote tied to your Chicago address.
| Duration | Low | Typical | High |
|---|---|---|---|
| Day | $175 | $800 | $2,500 |
| Week | $150 | $1,397 | $1,650 |
| Weekend | $900 | $2,000 | $3,000 |
| Event (multi-day) | $2,499 | $3,500 | $3,899 |
For a full cost breakdown across trailer sizes, see restroom trailer rental cost or the general porta potty rental cost guide if you are still comparing trailers against standard units. Delivery fees themselves range from about $100 to $500 for a single day depending on distance and site access, separate from the unit rate above.
Where Can I Place a Restroom Trailer on My Site?
Placement needs firm, level ground and enough clearance for delivery. ADA Standards section 304.3.1 calls for a 60 inch turning circle near any accessible unit, and the trailer itself needs solid ground per ADA Standards section 302.1. Roll-off and trailer deliveries both need roughly 60 feet of straight clearance behind the truck to back in safely, so measure your driveway or lot before booking. Chicago sites with tight alley access should mention that when requesting a quote. If your event also needs waste removal, pair the trailer with a roll-off dumpster rental, and if you are fencing off the area, look at temporary fence rental options too. For general siting rules, our porta potty placement guide covers ground and access basics that apply to trailers as well. Full-service Chicago venues sometimes require septic tie-ins instead, which is where septic pumping service comes in for a fixed unit on longer jobs.
How many restrooms do I need for a wedding of 150 guests?
A 4 stall trailer generally covers 100 to 300 guests comfortably for a single-day event. For weddings specifically, check wedding restroom rental for sizing guidance, or use the general how many porta potties do I need calculator if you are mixing trailer and standard units.
Do restroom trailers need a water hookup?
Most trailers carry their own fresh and waste tanks, so no hookup is required for short events. OSHA 1926.51(a)(1) requires potable water at all places of employment, which these self-contained tanks satisfy on job sites too.
Can I rent a restroom trailer for a construction site?
Yes. Many Chicago contractors pair a trailer with construction site services for crew comfort. Toilet counts on job sites still follow OSHA 1926.51(c)(1) ratios based on headcount.
How far in advance should I book?
Book 2 to 3 weeks out for weekends, sooner for large festivals. Check event restroom rental for seasonal timing notes specific to Chicago events.
Is delivery included in the trailer price?
No, delivery is quoted separately based on distance and access, generally $100 to $500 for a single day. Request a firm number through request a quote once you confirm your Chicago address.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.