How Much Does a 4 Stall Restroom Trailer Cost in Westminster?
Trailer pricing depends heavily on duration and finish level. A day rate for a restroom trailer generally falls between $175 and $2,500, while a full week runs $150 to $1,650 and a multi-day event package can land between $2,499 and $3,899. Weekend bookings, common for Saturday weddings, typically fall between $900 and $3,000. Westminster Porta Pros builds the quote around headcount, hookup access and how far the unit sits from a water source. For a broader breakdown by duration, see restroom trailer rental cost or compare against a luxury restroom trailer if your event calls for a nicer finish.
| duration | low | typical | high |
|---|---|---|---|
| day | $175 | $800 | $2,500 |
| week | $150 | $1,397 | $1,650 |
| event | $2,499 | $3,500 | $3,899 |
| weekend | $900 | $2,000 | $3,000 |
If a 4 stall unit is more than your guest count needs, a 2 stall restroom trailer may fit smaller gatherings, and an 8 stall restroom trailer handles bigger crowds without doubling up on trailers.
What Fits Inside a 4 Stall Restroom Trailer?
Four private stalls, sinks and climate control are standard, built for steady traffic across a full event day or a busy job site week. Westminster job sites still fall under OSHA 1926.51(c), which sets toilet counts by crew size, so a trailer this size comfortably serves crews under the 20-worker threshold before a second unit becomes worth adding. If handwashing has to meet 29 CFR 1910.141(d)(2), the sinks need soap and towels or a dryer, not just sanitizer, and Westminster Porta Pros stocks units that way. Compare against the base standard porta potty rental or step up to a deluxe flushable porta potty if a full trailer is more than the site needs. For accessibility, ADA Standards 213.2 requires at least one accessible unit where portable toilets are clustered, and we can pair an ADA accessible porta potty alongside the trailer to cover that requirement without retrofitting the whole unit.
Where Can a 4 Stall Restroom Trailer Be Placed in Westminster?
Placement comes down to ground stability and hookup distance, not just open space. ADA Standards 302.1 calls for a stable, firm, slip-resistant surface, which rules out soft turf or loose gravel without matting. We check clearance the same way we do for roll-off dumpster rental, since a delivery truck needs roughly 60 feet of straight approach to back in safely. Westminster events near Broomfield, 5.6 miles north, or Federal Heights, 3.9 miles southeast, often need the trailer delivered a day early for leveling and water hookup. If your venue sits in the public right of way, placement needs confirming with the City of Westminster before delivery. Our porta potty placement guide covers ground and slope basics, and the temporary power pole page is worth a look if the trailer's climate control needs power beyond what's on site.
Do I need a permit for a restroom trailer in Westminster?
It depends on where the trailer sits. Placement in the public right of way needs confirming with the City of Westminster, and we don't guess at local rules. Check our porta potty permit requirements page, or ask us directly when you request a quote.
How many stalls do I need for my event?
It depends on guest count and event length. Our how many porta potties do I need guide walks through the math, but a 4 stall trailer generally covers moderate weddings and single-day corporate events well.
Can a restroom trailer replace standard porta potties on a job site?
Yes, if the crew size and OSHA 1926.51(c) ratios support it. Many Westminster contractors pair a trailer with standard units anyway, especially for construction site services running multiple weeks.
Does the rental include setup and servicing?
Yes. Westminster Porta Pros delivers, levels, connects and services the unit through the rental period, the same standard we apply to portable restroom rental and event restroom rental bookings.
What is the difference between renting daily versus weekly?
Weekly rates cost more in total but less per day than repeated daily bookings. Compare the numbers on porta potty rental per day against monthly porta potty rental before you commit to a term.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.