How many porta potties do I need?
Start with headcount and duration, not guesswork. OSHA 1926.51(c) sets the baseline for construction sites: 1 toilet for 20 workers or fewer, then 1 toilet seat and 1 urinal per 40 workers once you pass 20, and 1 per 50 once you hit 200 or more. Farm crews fall under a different rule. OSHA 1928.110 requires field sanitation units within a quarter mile walk of hand-labor employees, at one per 20 workers, which matters for the agricultural ground around Davis. Event planners should size differently, since foot traffic is heavier and shorter. Our how many porta potties do I need guide walks through the math for both crews and crowds. If your project runs past 40 hours a week, check ANSI/PSAI Z4.3 service intervals too, since one visit a week is the baseline for up to 10 users. For a weekend build in Davis, a standard portable toilet rental is usually enough. Larger crews should look at construction site services for a full package instead of ordering units piecemeal.
What size unit fits my site?
A standard unit runs about 44 by 48 inches on the ground and stands roughly 92 inches tall, with a 60 to 70 gallon holding tank inside. That footprint fits most sidewalk strips and job site corners without blocking a walkway. If you need something nicer for a wedding or a corporate event, the deluxe flushable porta potty line adds a flush mechanism and a sink. ADA-compliant units are wider to meet ADA Standards 304.3.1, which calls for a 60 inch turning circle inside, and the door has to clear ADA Standards 404.2.3 at a 32 inch minimum opening. Clustered portable toilets also trigger ADA Standards 213.2: at least 5 percent of units, and never fewer than one, must be accessible. Check the ADA accessible porta potty page before you finalize a headcount-based order. For larger gatherings needing multiple stalls, compare the 2 stall restroom trailer, 4 stall restroom trailer, and 8 stall restroom trailer against a row of standard units before you commit.
Where should the unit go?
Placement decides whether service goes smoothly for the whole rental. The route to the unit needs a stable, slip-resistant surface under ADA Standards 302.1, and a clear path at least 36 inches wide per ADA Standards 403.5.1 if anyone using a wheelchair needs access. Keep the unit off soft ground and away from slopes; a pump truck cannot service a unit it cannot reach safely. If you're also renting a roll-off dumpster rental for the same job, remember the truck needs about 60 feet of straight clearance behind it to place or pull the container, so plan both drop zones together. Our porta potty placement guide covers ground clearance, door swing, and distance from work areas in more depth. If the closest legal spot sits in the public right of way along a Davis street, that placement needs confirming with the city before delivery; we do not guess at that rule and neither should you. For agricultural sites near Dixon, 10.5 miles southwest of Davis, or Winters, 14.8 miles west, plan for longer service routes when you pick a delivery window.
When should I book porta potty rental?
Book as soon as you have a headcount and a date, ideally the same week you lock the site plan. Standard units run from short day rentals up to full month terms, so match the term to the job before you call. Delivery fees follow a similar pattern: short jobs cost less than long ones, and the porta potty rental cost page breaks down what drives that number. Weekend events in Davis, including anything near University of California-Davis just 2.9 miles southwest, often need a Friday delivery and a Monday pickup, so confirm that window early since weekend slots fill first. Monthly jobs get a different rate structure entirely; see monthly porta potty rental for that comparison. Below is a general shape of how duration affects standard unit pricing.
| duration | typical price |
|---|---|
| day | $150 |
| week | $200 |
| month | $200 |
Longer commercial jobs, disaster response, or a sudden crew expansion sometimes need units the same day. That's what emergency porta potty rental is for, and it's worth knowing that option exists before you're actually stuck.
Once units are on site, handwashing is a separate line item worth checking against 29 CFR 1910.141(d)(2), which requires soap and towels or a hand dryer, not just sanitizer. Pair a handwashing station rental with your toilets if your crew handles food, paint, or other contaminants; OSHA 1926.51(f)(1) specifically requires washing facilities where employees apply paints, coatings, herbicides or insecticides. Review handwashing station requirements before the crew shows up on day one in Davis.
How far ahead should I order for a Davis event?
Order 3 to 5 business days ahead for a standard event, longer for ADA units or restroom trailers since availability is tighter. Weekend events near El Macero, 4.5 miles east of Davis, should book by midweek. Waiting until Thursday for a Saturday event is the most common way to end up short.
Do I need a permit for porta potty placement?
Maybe, depending on where the unit sits. Placement on private property usually needs no permit, but anything touching a public sidewalk or street in Davis needs confirming with the city first. See porta potty permit requirements before finalizing your site plan.
What is the difference between a standard and deluxe unit?
A standard unit is a basic 60 to 70 gallon holding tank with no water hookup. A deluxe unit adds a flush mechanism and often a sink, better suited to weddings or corporate events than a job site. Compare both on the standard portable toilet rental page.
How many toilets does OSHA require per worker?
OSHA 1926.51(c) requires 1 toilet for crews of 20 or fewer, then scales up: 1 seat and 1 urinal per 40 workers between 20 and 200, and per 50 above that. Full detail lives on OSHA portable toilet requirements.
Can I rent a handwashing station separately from a toilet?
Yes. Many Davis job sites order handwashing stations and toilets as separate line items with different service schedules. Check portable sink rental if your crew needs a station without a full toilet order attached.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.