Porta Potty Rental by Capacity

Wedding Porta Potty Rental by Guest Count

Wedding restroom planning follows PSAI guidelines: 2 deluxe units per 100 guests baseline, +30% if alcohol is served, +1 per 100 for events over 4 hours. Above 200 guests, a luxury restroom trailer typically beats multiple standalone units on cost and guest experience.

Guest Count	Recommended Setup	Notes
25-50	1-2 deluxe units	Backyard ceremony, intimate reception. One deluxe flushing unit covers it for short events; add a second if alcohol is served or duration exceeds 4 hours.
100	2-3 deluxe units	Standard 100-guest wedding. 2 deluxe baseline; +1 if alcohol service + 4+ hour duration. 1 ADA unit recommended if any guests need accessibility.
150	3-4 deluxe + 1 ADA	Mid-size wedding. Most cost-effective with standalone deluxe units; consider luxury trailer if budget allows + venue has utility hookups.
200	4-5 deluxe OR luxury trailer	Inflection point. A 2-stall luxury restroom trailer matches the cost of 5 standalone deluxe units and dramatically improves guest experience.
250	Luxury trailer (4-stall) + 1 ADA standalone	Trailer becomes the obvious choice. 4-stall trailer + 1 separate ADA unit covers a 250-guest wedding without lines.
500+	Multi-stall trailer + 4-6 deluxe + 2 ADA	Large reception or wedding festival. Mix trailers for premium guest areas + standalone deluxes for spread-out venues.

Event & Festival Porta Potty Rental by Attendee Count

For festival and event rentals, plan on 1 unit per 50-75 attendees for multi-day events with alcohol, or 1 per 100 attendees for shorter daytime events. Public events legally require ADA-compliant units at 5% of total count (minimum 1) under ADA Title III.

Attendee Count	Recommended Setup	Notes
100-200	3-5 standard + 1 ADA	Corporate event, small festival. Standard units; 1 ADA unit minimum (5% rule for public events under ADA Title III).
500	10-12 standard + 1 ADA + 2-3 handwashing	Mid-size festival or community event. Public ADA Title III applies — at least 1 ADA unit (5% = 0.5, round up to 1).
1,000	20-25 standard + 2 ADA + 4-5 handwashing	Larger one-day event. ADA 5% rule = 1-2 ADA units. Handwashing at 1 per 4-6 units.
2,500	50-60 standard + 3 ADA + 10-12 handwashing	Multi-day festival staging — overnight servicing required for cleanliness across the run.
5,000	100-125 standard + 5-6 ADA + 20-25 handwashing	Festival logistics: pre-event staging, daily servicing during run, overnight pump-outs for multi-day.
10,000+	Custom layout — typically 200+ standard + 10+ ADA + 40+ handwashing	Major festival. Site-plan-driven, multi-zone deployment with dedicated servicing crew on-site.

Construction Site Porta Potty Rental by Crew Size

OSHA 29 CFR 1926.51(c) sets construction sanitation minimums: 1 toilet for crews of 20 or fewer, 1 toilet + 1 urinal per 40 workers for 21-199, then 1 per 50 workers at 200+. Most contractors exceed these minimums (typically 1 per 10) to avoid line delays. Plus handwashing stations per 1926.51(f)(3).

Crew Size	Recommended Setup	Notes
1-10 workers	1 standard unit (OSHA min)	OSHA minimum for crews ≤20 is 1 toilet. Most contractors run 1 per 10 in practice for productivity.
20 workers	2 standard units	OSHA min: 1 toilet. Practitioner standard: 2 (1 per 10) to avoid line delays during shift breaks.
50 workers	5 standard + 1 handwashing station	OSHA: 1 toilet + 1 urinal per 40 workers (so 2). Practitioner: 5 units. Add handwashing per 1926.51(f)(3).
100 workers	10 standard + 2 handwashing	OSHA: 3 toilets + 2 urinals. Practitioner: 1 per 10 = 10 units. Add 2-3 handwashing stations.
200 workers	20 standard + 1 ADA + 4 handwashing	Crews of 200+: OSHA shifts to 1 per 50. Practitioner usually keeps 1 per 10. Plus ADA if any disabled employees per ADA Title I.
500+ workers	Custom multi-zone setup	Large infrastructure projects — multi-zone deployment with daily servicing, dedicated handwashing trailers, and ADA-compliant units placed near each work area.

Get an Exact Count for Your Event or Site

Enter your specifics — guest count, duration, alcohol, ZIP — to get a calculator-backed recommendation plus local pricing.

Porta Potty Cost Calculator

Event typeWeddingFestival / Public EventCorporate / Private PartyConstruction SiteOther Event

Expected guestsEvent duration (hours)

Alcohol will be served (+30% units recommended)

Recommended units3

Handwashing stations1

PSAI baseline: 2 units per 100 guests, +30% for alcohol service

Estimated weekly cost (national average):

• Standard units$450–$975
• Deluxe (flush + sink)$600–$1,200

Local pricing varies ±25% by region. Enter your ZIP below for a market-specific quote.

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Capacity FAQ

How many porta potties do I need for 100 guests?

For a 100-guest event under 4 hours: 2 deluxe units. For 4+ hours: 3 units. With alcohol service: 3-4 units (alcohol increases usage ~30%). Use our free calculator for an exact recommendation based on duration, alcohol, and venue.

How many porta potties do I need for 250 guests?

For a 250-guest wedding or event: 5-6 deluxe units, OR a 4-stall luxury restroom trailer + 1 ADA standalone. The trailer becomes more cost-effective at this size and dramatically improves guest experience.

How many porta potties do I need for 500 guests?

For 500-person events: 10-12 standard units + 1 ADA + 2-3 handwashing stations. Public events of this size legally require ADA-compliant units at 5% of total count under ADA Title III.

How many porta potties do I need on a construction site?

OSHA 29 CFR 1926.51 sets minimums (1 per 20 workers up to 20 workers, then scales). In practice, contractors run 1 unit per 10 workers to avoid line delays — that's 5 units for a 50-worker crew, 10 for a 100-worker crew. Plus handwashing stations per 1926.51(f)(3).

Does adding alcohol change how many porta potties I need?

Yes. The Portable Sanitation Association International recommends adding 30% more units when alcohol is served. So a 100-guest 4-hour event without alcohol = 2 units; with alcohol = 3 units.

How many ADA-compliant units do I need at a public event?

ADA Title III requires 5% of total units to be ADA-compliant, with a minimum of 1. So a 50-unit festival needs 3 ADA units; a 1,000-unit festival needs 50. Public events without ADA units risk Title III violations and significant penalties.

Top Markets We Serve

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