Porta Potty Rental for Car Shows in Phoenix
A car show with 1,000 visitors over 6 hours comes out at about 9 units on the PSAI chart. The Maricopa County minimum is 10. Parking lot shows often have no restrooms at all, so plan the full count.
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Asphalt lots get hot. Put units in shade if you can and service them mid-day in summer.
Keep units out of fire lanes and away from show cars.
The numbers for car shows
Event restroom calculator
Units that fit
Standard Porta Potty
Truck access and a reasonably level pad. No water, no power.
Hand Sanitizer Station
Flat ground. Nothing else.
ADA Accessible Porta Potty
A wider, level pad and an accessible route to the door.
Urinal Station
Level ground and truck access.
Planning checklist
- Plan the full count for lot shows.
- Shade units where possible.
- Keep fire lanes clear.
- Add sanitizer stands.
The rules that apply
| Source | What it says |
|---|---|
| Maricopa County Environmental Health Code, Ch. II Sec. 6 Reg. 5 | Public gatherings without adequate permanent toilets need at least 1 toilet per 100 attendees (or as the health officer requires), within 200 feet. |
| Maricopa County Environmental Health Code | Chemical toilets may not sit within 20 feet of occupied premises or 10 feet of a public sidewalk or thoroughfare unless authorized. |
| City of Phoenix Special Event Checklist | ADA accessible portable toilets must be available, and portable toilets may not block public sidewalks. Restroom unit permits come from Maricopa County, not the city. |
| PSAI Extended Special Event Chart | Industry planning chart. Example: 1,000 guests need about 4 units for 1 hour, 8 for 4 hours and 12 for 8 hours. Add 20 to 30% when it is 80F or hotter or alcohol is served. |
Summaries checked against the source on 2026-11-03. Always confirm with your permitting office.
Questions people ask
How many porta potties for a car show?
Use PSAI and the county minimum. 1,000 visitors over 6 hours is about 9 to 10.
Do lot shows need permits?
Ask your city special events office.
Related uses
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