How many units do I actually need?
Start with headcount, not guesswork. Standard porta potty rental units carry a 60 to 70 gallon holding tank, and under OSHA 1926.51(c)(1), construction sites need 1 toilet for 20 workers or fewer, then 1 toilet and 1 urinal per 40 workers once you cross 20, scaling to per-50 at 200 or more workers. Events run differently. If you are staging near Hamtramck, 3.3 miles east of downtown Detroit, or planning something out toward Redford, 11.7 miles west, use our how many porta potties do I need guide to convert guest count into unit count before you call. Farm crews fall under a different rule entirely: OSHA 1928.110 requires field sanitation at one facility per 20 hand-labor employees, reachable within a quarter mile walk, which matters if you run farm and agricultural restrooms across a large parcel. Multi-day builds should also check construction site services for bundled delivery. If ADA access applies, ADA Standards section 213.2 requires at least 5 percent of clustered single-user units to be accessible, never fewer than one.
Where should the unit go on site?
Pick flat, stable, load-bearing ground within reach of the delivery truck, and leave the spot clear on service day. A standard unit sits on a footprint near 44 by 48 inches and stands about 92 inches tall, so give it clearance from doorways, scaffolding, and traffic lanes. Roll-off dumpster deliveries need roughly 60 feet of straight clearance behind the truck, so if you are also renting a roll-off dumpster rental unit for the same Detroit job, plan both drop zones together rather than fighting for the same driveway. ADA units need a stable, firm, slip-resistant surface per ADA Standards section 302.1, plus a 60 inch turning circle inside per ADA Standards section 304.3.1, and a door opening of at least 32 inches under ADA Standards section 404.2.3. Keep a 36 inch clear path to the unit per ADA Standards section 403.5.1. Our porta potty placement guide covers ground surface, wind direction, and grade. If the only open ground sits near a curb or sidewalk, placement in the public right of way needs confirming with the city before delivery, since that is not something to guess on.
What does it cost and how do I budget it?
Pricing depends on unit type and rental length, and longer terms cost more in total but less per day. A standard unit runs in this range depending on how long you keep it:
| duration | typical range |
|---|---|
| day | $100 to $350 |
| week | $130 to $500 |
| month | $125 to $325 |
ADA units run higher, from roughly $120 a week up to $400 for a single day depending on demand, and deluxe flushable units land between $150 and $290 for a week-long rental. Expect a separate delivery fee, typically $50 to $150 for a weekly rental, and a service fee if you add extra pump-outs. For a full breakdown by rental length, see porta potty rental cost, porta potty rental per day, or monthly porta potty rental depending on your job timeline. Weddings and festivals often run a flat weekend rate instead of day-by-day billing, so ask about that up front rather than assembling one from daily numbers.
When do I need to schedule service, and what's on the day-of checklist?
Confirm your delivery window, service interval, and pickup date in writing before the truck leaves the yard. ANSI/PSAI Z4.3 sets the baseline service interval at once per week for up to 10 users across a 40 hour week, so a busy multi-day event or a crew running past 10 people per unit needs more frequent pump-outs, not the standard schedule. Build that into your quote instead of finding out mid-event. On delivery day: confirm the ground is clear and marked, confirm someone on site can accept delivery, confirm the unit type matches your headcount, and confirm handwashing is covered. Under 29 CFR 1910.141(d)(2), any washing facility needs soap and towels or a hand-drying device, since hand sanitizer alone does not satisfy that requirement, so pair your units with a handwashing station rental or a portable sink rental if soap and water access is required. If painting, coating, or pesticide work is happening on site, OSHA 1926.51(f)(1) requires washing facilities for that contaminant exposure specifically, which is a separate trigger from general sanitation. For general potable water access, OSHA 1926.51(a)(1) requires an adequate supply at every place of employment. If you are running an event with a bigger footprint, a restroom trailer rental or a full event restroom rental package might replace several standalone units. Crews out near Livonia, 16.0 miles west of Detroit, or Troy, 18.2 miles north, should factor drive time into their delivery window when booking.
What if I need units on short notice?
Call anyway. Same-day and next-day delivery is often possible for emergency porta potty rental situations, though selection narrows fast during peak season. Confirm headcount and placement over the phone so the driver arrives with the right unit the first time.
Do I need a permit to place a porta potty in Detroit?
Placement on private property usually does not need a permit, but placement in the public right of way needs confirming with the city. Check our porta potty permit requirements page before finalizing a curbside or street-adjacent spot.
How often do units get cleaned during a long rental?
Service intervals follow ANSI/PSAI Z4.3, generally once weekly per 10 users over a standard work week. Busy sites or larger crews need more frequent visits. See how often are porta potties cleaned for scheduling detail.
What size dumpster pairs with a home renovation project?
That depends on debris volume, not unit count. Check dumpster sizes and dimensions or home renovation porta potty for sizing guidance specific to renovation work.
Can I rent an ADA unit for just one weekend?
Yes. ADA units are available by the day or week, and weekend rates apply for short events. Confirm accessible unit availability early since ADA inventory is more limited than standard units.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.