How Many Portable Toilets Does a Construction Site Need?
Start with headcount. OSHA 1926.51(c)(1) sets the baseline: one toilet for 20 workers or fewer, then one toilet seat and one urinal per 40 workers once you pass 20, dropping to one per 50 once you hit 200 or more. A 15-person crew in Lakewood needs one unit. A 45-person job needs two. Our how many porta potties do I need guide walks through the math for mixed trades and multi-shift sites. Servicing follows ANSI/PSAI Z4.3, which sets a weekly visit as the baseline interval for up to 10 users across a 40 hour week; busier sites need more frequent pumping. If a project touches paint, coatings, herbicides or insecticides, OSHA 1926.51(f)(1) requires washing facilities for that crew, separate from the general toilet count. Pair that with a handwashing station rental or a portable sink rental so soap and water are on site, not just sanitizer, since 29 CFR 1910.141(d)(2) specifically requires soap and towels or a hand-drying device. Most general contractors around Lakewood order standard porta potty rental units for framing and rough-in, then add a deluxe flushable porta potty once finish crews and supervisors are on site full time. Check our OSHA portable toilet requirements page for the full table by crew size.
What Do Portable Toilet Rentals Cost for a Construction Site?
Construction portable toilet rental cost depends on unit type, rental length and how far the site sits from our yard. A standard unit runs $100 to $350 a day, $130 to $500 a week and $125 to $325 a month, and monthly billing is almost always the better deal for a job lasting past a few weeks. Delivery adds $100 to $500 depending on distance and access; a site 9.2 miles out toward Golden costs more to service than one a few blocks from downtown Lakewood. Roll-off dumpsters for job-site debris run $51 to $112 a day or $500 to $800 a month, and our construction dumpster rental page breaks down 10, 20, 30 and 40 yard options.
| Unit | Day | Week | Month |
|---|---|---|---|
| Standard toilet | $100-$350 | $130-$500 | $125-$325 |
| ADA unit | $200-$400 | $240-$400 | - |
| Roll-off dumpster | $51-$112 | $426-$778 | $500-$800 |
See porta potty rental cost, porta potty rental per day and monthly porta potty rental for a deeper breakdown by term. General contractors bidding jobs across state lines ask us about construction portable toilet rental near Texas and California job sites too; we serve Lakewood and the immediate Front Range, so for those regions we recommend a local provider that can hit the same delivery windows.
Do Construction Sites Need ADA-Accessible Units?
Yes, once you cluster portable toilets on a site, ADA Standards section 213.2 requires at least 5 percent of units to be accessible, with a minimum of one no matter how small the cluster. That accessible unit needs a 60 inch turning circle per section 304.3.1 and a 32 inch clear door opening per section 404.2.3, so it has to sit on stable, firm, slip-resistant ground per section 302.1, not gravel or soft fill. Our ADA accessible porta potty units meet those specs and route into the same service schedule as your standard fleet. Ramps into any unit can't exceed a 1:12 slope under section 405.2, which matters on graded or sloped lots common in the hillier parts of Lakewood. Placement also has to respect the site's traffic flow: ADA Standards section 403.5.1 sets a 36 inch minimum clear width on any accessible route leading to the unit, so don't tuck it behind material staging or a fenced storage yard. Our porta potty placement guide and ADA restroom requirements pages cover layout in more detail. If you're staging a mobile office alongside restrooms, a mobile office trailer rental or storage container rental can sit on the same delivery run.
What Other Site Services Does a Construction Job Need?
Toilets are one piece. Most Lakewood job sites also need a fenced perimeter, a debris plan and secure storage before the first excavator shows up. Temporary fence rental runs $30 to $75 a day, and chain link temporary fence is the standard choice for keeping foot traffic off an active grading site. A roll-off delivery needs about 60 feet of straight clearance behind the truck, so plan your dumpster sizes and dimensions and driveway access before delivery day, and check dumpster permit requirements and what cannot go in a dumpster so the load doesn't get rejected at the landfill. Debris housekeeping itself falls under OSHA 1926.25, and any chute or enclosure used for waste disposal has to meet OSHA 1926.252. Sites running generators or temporary power should also check temporary power pole setups, since GFCI protection under OSHA 1926.404(b)(1)(ii) is required on construction circuits, and a light tower rental covers early morning or winter shifts when daylight runs short. For larger crews needing more than portable toilets, a restroom trailer rental gives supervisors and mixed-gender crews private stalls with running water. Storage for tools and materials pairs well with a 20ft storage container or 40ft storage container delivered on the same trip.
How far in advance should I book portable toilets for a construction job?
Book as soon as you have a start date. Standard units are usually available within a few days, but multi-unit jobs with ADA requirements or fencing add-ons need more lead time to coordinate one delivery run instead of several trips.
Can I get portable toilets delivered to a rural or undeveloped construction site?
Yes. We just need clear drive access for delivery and level, stable ground for placement. Sites without a graded pad yet should tell us at booking so we can plan around soft or sloped terrain.
How often are construction porta potties serviced?
Weekly service is the baseline for up to 10 users under ANSI/PSAI Z4.3, but busier sites need more visits. We set the schedule based on your crew size at booking, not a fixed weekly default.
Do I need a permit to place a porta potty on a construction site in Lakewood?
Placement within the public right of way needs confirming with the City of Lakewood before delivery. On private, fenced job sites this is usually simpler; check our porta potty permit requirements page for what to ask the city.
What size dumpster do I need alongside my porta potty rental?
It depends on the trade and job length. Framing and demo generate more volume than finish work. Our roll-off dumpster rental and dumpster rental cost pages help match size to scope before you order.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.