How Many Restrooms Does a Wedding Need?
Start with your guest count, not a guess. A rough rule: one restroom per 50 guests for a four-hour reception, more if there's an open bar. A two-stall trailer covers a small backyard wedding; an eight-stall trailer handles a 200-person reception at a rented venue. Standard porta potty rental covers construction-style budgets, but weddings usually call for something nicer. That's where the deluxe flushable porta potty comes in: real flush action, a sink, and a nicer interior than a standard unit. If you want the full restroom-trailer feel, with climate control and real stalls, look at the restroom trailer rental line, sized from a 2 stall restroom trailer up to an 8 stall restroom trailer. OSHA's 1926.51(c) ratio for job sites, one toilet per 20 workers, isn't built for events, but it's a useful floor: if 20 workers need one, 150 wedding guests over several hours need more than one or two. ADA Standards section 213.2 requires at least one accessible unit in any cluster, and never fewer than one, so if you're renting three or more units, plan for an ADA accessible porta potty in the mix. Gresham venues range from farm properties to event halls, and each has different bathroom access, which is why a site walk matters before the order goes in.
What Does Wedding Porta Potty Rental Cost in Gresham?
Cost depends on unit type and how long you need it, not just headcount. A standard unit runs $100 to $350 a day depending on delivery distance and add-ons; for a weekend wedding, expect something closer to the $125 to $400 weekend band. Deluxe units cost more but read better in wedding photos.
| unit | day | weekend | week |
|---|---|---|---|
| standard | $100-$350 | $125-$400 | $130-$500 |
| deluxe | $85-$1200 | -- | $150-$290 |
| ada | $200-$400 | $199-$300 | $240-$300 |
| trailer | $175-$2500 | $900-$3000 | $1650-$3000 |
Delivery adds a separate fee, typically $100 to $500 for a single-day event depending on how far the truck has to travel; Troutdale sits 4.7 miles northeast of Gresham and Happy Valley 8.1 miles southwest, both within a short haul for most rental fleets. For full pricing logic across all unit types, see porta potty rental cost and porta potty rental per day. If your wedding is one stop in a longer event season, the monthly porta potty rental page breaks down what changes at that length. A restroom trailer for a full wedding weekend runs closer to the trailer weekend band above, which is why couples booking a luxury restroom trailer usually lock in the date months ahead. Gresham weddings booked through Gresham Porta Pros get placement guidance as part of the quote, not as an upsell.
Can I Get a Nice Restroom Trailer for a Backyard Wedding?
Yes. A 2-stall trailer fits most backyard footprints and still gives guests a real door, a mirror, and running water instead of a standard unit's holding tank. ADA Standards section 404.2.3 sets a 32 inch minimum clear door opening, and ADA Standards section 405.2 caps ramp slope at 1:12, both relevant if a guest uses a wheelchair or walker on uneven yard ground. A standard portable unit stands about 92 inches tall and sits roughly 44 by 48 inches on the ground, small enough to tuck beside a garage or behind a hedge line. Trailers need more clearance and a level pad, so a site check matters before delivery, same as it does for a roll-off dumpster rental or a storage container rental if you're also managing setup and teardown waste. Pair restrooms with a handwashing station rental near the food table; 29 CFR 1910.141(d)(2) requires soap and towels or a hand-drying device at washing stations, not sanitizer alone, which matters for catering staff as much as guests. If your wedding shares a weekend with a tent, string lights, and a rented dance floor, a temporary fence rental can also keep parking areas separate from the ceremony space. For general event sizing beyond weddings, see event restroom rental and festival restroom rental.
Frequently asked questions
How far in advance should I book wedding restrooms in Gresham?
Book six to eight weeks out for a standard wedding, longer for a luxury trailer during peak season. Popular weekend dates fill delivery routes fast, and trailer inventory is limited. Early booking also gives time for a site walk if your venue has tricky access or slope.
Do portable restrooms need to be serviced during a wedding weekend?
Not usually for a single-day event. ANSI/PSAI Z4.3 sets a weekly service baseline for lighter use, and a one-day wedding falls well under that. Multi-day weekend events sometimes get a mid-event check depending on guest count.
Is a standard porta potty okay for a formal wedding?
It works for budget weddings but most couples upgrade to a deluxe unit or trailer. Standard units are built for job sites, not photos. A deluxe flushable unit costs more but includes a sink and flush mechanism that reads much better next to a reception tent.
What size restroom trailer fits 100 wedding guests?
A 4-stall trailer generally covers 100 guests for a few hours. Add a stall or move to an 8-stall trailer if the bar stays open past dinner or the event runs past six hours.
Can portable restrooms be placed on grass or gravel?
Yes, if the ground is level and stable. ADA Standards section 302.1 requires stable, firm, slip-resistant surfaces for accessible units, so soft or sloped grass may need a mat or gravel pad before delivery.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.