How Many Portable Toilets Does a Construction Site Need?
Toilet count comes down to headcount. OSHA 1926.51(c)(1) sets the baseline for construction: one toilet facility per 20 workers or fewer, and once you pass 20, it steps up to one toilet seat and one urinal per 40 workers, then one per 50 once you hit 200 or more on site. A residential crew of six needs one standard porta potty rental and nothing fancier. A commercial job running 45 tradespeople needs two units minimum, and you should plan the layout before delivery day, not after. Our how many porta potties do I need guide walks through the math by trade mix and shift pattern. Water matters too: OSHA 1926.51(a)(1) requires an adequate supply of potable water at every job site, which is why a lot of foremen pair toilets with a handwashing station rental rather than relying on hand sanitizer alone, since 29 CFR 1910.141(d)(2) specifically calls for soap and towels or a hand-drying device, not sanitizer, at fixed handwashing facilities. If your crew is spraying coatings, herbicides or insecticides, OSHA 1926.51(f)(1) kicks in separately and requires washing facilities for that contaminant exposure specifically.
What Does Portable Toilet Rental for Construction Sites Cost?
| Duration | Low | Typical | High |
|---|---|---|---|
| Day | $100 | $150 | $350 |
| Week | $130 | $200 | $500 |
| Month | $125 | $200 | $325 |
Most Wyoming contractors book monthly, since a job running six weeks or longer almost always pencils out cheaper than re-ordering weekly. Delivery runs 50 to 150 dollars for a weekly setup, more if it's a rush same-day drop. Full breakdown, including how deluxe flushable units and ADA-compliant stalls price differently, lives on our porta potty rental cost page. If you just need day-rate numbers for a bid, check porta potty rental per day; if the job runs the whole season, monthly porta potty rental has the longer-term math. Every job also needs somewhere to put debris. A 10, 20, 30 or 40 yard roll-off dumpster rental runs 51 to 112 dollars a day or 91 to 500 dollars a month depending on size and how long you keep it, and the truck needs about 60 feet of straight clearance behind the drop zone to place the box without backing across a neighbor's lawn. Check dumpster weight limits before you fill one with concrete or shingles, since overage fees add up fast, and see what cannot go in a dumpster for the short list of banned materials.
Do Construction Sites Need ADA-Accessible Toilets?
Yes, once you're clustering units. ADA Standards section 213.2 requires at least 5 percent of clustered single-user portable toilets to be accessible, with a minimum of one unit no matter how small the cluster is. An ADA accessible porta potty needs a 60 inch turning circle inside per ADA 304.3.1, a door opening at least 32 inches wide per ADA 404.2.3, and a stable, slip-resistant floor surface per ADA 302.1. If the route to the unit crosses a ramp, ADA 405.2 caps the running slope at 1:12. These specs matter on public-facing commercial sites more than a fenced private lot, but plenty of GCs in Wyoming build them in from day one to avoid a change order mid-project. Rates for ADA units run 200 to 400 dollars a day or 120 to 240 dollars a week, cheaper than most crews assume. Pair the toilet plan with a temporary fence rental if the site borders a sidewalk or occupied building; chain link sections run 30 to 75 dollars a day and satisfy the barricade intent behind OSHA 1926.202, which calls for barricades meeting ANSI D6.1 wherever employees need protection from traffic or drop hazards.
Where Should Portable Toilets Go on a Construction Site?
Close to the work, off the mud, and reachable by the service truck without blocking the roll-off or the material laydown area. A route to the unit needs at least 36 inches of clear width under ADA 403.5.1 if anyone with mobility limits will use it, and the ground under the unit should stay stable rather than sinking into a graded lot after rain. Our porta potty placement guide covers grade, wind exposure and how far units should sit from a building entrance. Housekeeping matters here too: OSHA 1926.25 requires scrap and debris cleared from work areas, which is part of why crews route foot traffic around the toilet and dumpster zone rather than through it. If the site runs off hours or needs illumination for a winter pour, a light tower rental meets the minimum illumination intensities under OSHA 1926.56(a), and a temporary power pole with GFCI protection under OSHA 1926.404(b)(1)(ii) covers the electrical side. For jobs 4.0 miles west in Grandville or 6.4 miles east in Kentwood, the placement logic is the same, just check our service areas page for delivery windows. Sites further out, toward Walker at 11.9 miles north or Plainfield at 16.7 miles, may carry a slightly longer delivery lead time.
Storage is the other piece people forget until week two. A storage container rental or mobile office trailer rental keeps tools and paperwork off the ground and out of the weather, and a 20ft storage container is usually enough for a residential or light commercial job. For crews coming from out of state bidding jobs in other regions, we get calls about construction portable toilet rental near Texas and California job sites too, but Wyoming Porta Pros services Wyoming, MI and the towns immediately around it, not other states.
Frequently asked questions
How many porta potties do I need for a 20-person crew?
At exactly 20 workers, OSHA 1926.51(c)(1) still allows one toilet facility. Cross 21 and you need to step up to the next tier: one toilet seat and one urinal per 40 workers. Most contractors add a second unit right at 20 anyway, since one toilet for a full crew creates lines during breaks.
What is the difference between a standard and deluxe portable toilet?
A standard unit is a basic seat over a 60 to 70 gallon holding tank, about 44 by 48 inches on the ground. A deluxe flushable porta potty adds a flush mechanism and a sink, running 85 to 1200 dollars a day depending on features and rental length.
How often are construction porta potties serviced?
The baseline under ANSI/PSAI Z4.3 is one service visit weekly for up to 10 users over a standard 40 hour week. Busier sites with more workers or extended shifts need more frequent pumping. See how often are porta potties cleaned for how that scales with crew size.
Do I need a permit for a portable toilet on a construction site?
Placement in the public right of way, or anywhere visible from the street, needs confirming with the City of Wyoming before delivery. We do not have a published fee schedule to quote here, so check with the city directly or see porta potty permit requirements for what to ask them.
Can I rent a dumpster and porta potty together for one job?
Yes, and most contractors do. Bundling a construction dumpster rental with toilets and a handwashing station on one delivery run saves a trip charge and keeps the site laid out cleanly from day one. Ask about combined scheduling when you request a quote.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.