# Porta Potty Rental in Castle Rock, CO

> A standard portable toilet in Castle Rock, CO starts at $270 for a weekend rental (up to 7 days) or $320 per month, with 4 service visits included in every 28-day rental. Upgrades: deluxe flushing units run $374/weekend, ADA-accessible units $374/weekend, luxury restroom trailers from $1610/weekend. Every Castle Rock rate is all-inclusive: delivery, pickup, fuel, and environmental and local fees are built into the one price, so there are no surprise line items. Online orders are $0.39 higher than the phone price; either way, we deliver and service the unit ourselves. Enter your ZIP for your exact Castle Rock rate.

- Canonical page: https://dumpsterrentals.us/services/portable-toilets/colorado/castle-rock
- Provider: Ultimate Dumpsters, (866) 858-3867
- Service area: Castle Rock, Douglas County, Colorado
- Prices last verified: 2026-09-29
- Local facts last reviewed: 2026-09-29 by Michael V., Head of Operations
- Order online: https://dumpsterrentals.us/order?service=portable-toilets

## Castle Rock portable toilet prices by type

Weekend = up to 7 days. Monthly = 28 days with 4 service visits. Phone price shown; online orders are $0.39 higher. Delivery, pickup, fuel, and environmental and local fees are included.

| Unit type | Weekend | Monthly | What is included |
|---|---|---|---|
| Standard Portable Toilet | $270 | $320 | Enclosed unit, hand sanitizer, and toilet paper. Restocked at every service visit. |
| Deluxe Flushing Portable Toilet | $374 | $424 | Foot-pump flushing bowl plus an in-unit hand-wash sink. The guest-friendly upgrade. |
| ADA-Accessible Portable Toilet | $374 | $424 | Ground-level entry, interior grab bars, and a full wheelchair turning radius. ADA-compliant. |
| Portable Hand-Wash Station | $270 | $320 | Freestanding basin with a foot-pump faucet, soap, and paper towels. No hookups needed. |
| Luxury Restroom Trailer | $1610 | $1930 | Climate-controlled multi-stall trailer with flushing porcelain toilets, running-water sinks, mirrors, and lighting. |

## How we set Castle Rock porta potty prices

- Source: the Ultimate Dumpsters pricing matrix our order desk quotes from, read for Castle Rock, CO (ZIP 80104).
- What is priced: 10 rates, 5 unit types at a weekend and a monthly rate.
- Date: synced 2026-09-29, re-synced whenever the rate sheet changes.
- Limits: one unit at one Castle Rock address; other ZIPs can price differently; multi-unit events, extra service visits, and special placements are quoted to the job.
- Served Castle Rock since 2019.
- Busiest Castle Rock months in our order records: June and July.

Cite as: Ultimate Dumpsters, "Porta Potty Rental in Castle Rock, CO" rate sheet, updated 2026-09-29. https://dumpsterrentals.us/services/portable-toilets/colorado/castle-rock

## How many portable toilets you need in Castle Rock

| People on site | Jobsite (OSHA, full week) | Public event (peak crowd) | Hand-wash stations |
|---|---|---|---|
| Up to 20 | 1 toilet | 1-2 toilets | 1 station |
| 20 to 50 | 2 toilets | 2-3 toilets | 1 station |
| 50 to 100 | 2-3 toilets | 3-4 toilets | 1-2 stations |
| 100 to 250 | 3-5 toilets | 5-7 toilets | 2 stations |
| 250 to 500 | 5-8 toilets | 8-12 toilets | 3 stations |
| 500 to 1,000 | Ask for a site plan | 13-20 toilets | 4-5 stations |

Jobsite counts follow OSHA 29 CFR 1926.51(c). At least 5 percent of public-event units (minimum one) must be ADA accessible.

## What renting a porta potty in Castle Rock is actually like

Castle Rock is a freestanding town on I-25 south of Denver, the Douglas County seat, and it is slated to grow from more than 87,000 residents to 130,000 to 150,000. Three local realities shape almost every Castle Rock order: a higher, snowier setting where the Town plows residential streets only after the main roads and only once snow piles past a set depth, a construction market driven by that growth and by projects like the new Crystal Valley interchange on I-25, and a Town right-of-way that runs on its own Public Works permit and traffic control rules, with the Rock, the Star, and Philip S. Miller Park setting the event calendar. Here is how each one changes what we recommend.

### Why a 6,000-foot town with about 51 inches of snow plans winter service around the plow

The Castle Rock weather station sits at about 6,150 feet, and over the 1991 to 2020 normals period it averaged roughly 51 inches of snow a year and about 166 nights at or below freezing. Summers are warm but short of extreme, with about 22 days a year reaching 90 degrees. For a portable toilet, the cold half of that record is what matters. In the freezing months we winterize units with a non-toxic antifreeze charge, set them on level, stable footing clear of where plowed snow will land, and keep the door side facing away from the drift.

Access is the part people forget. The Town's Public Works crews plow more than 760 lane miles, primary roads first, and residential streets only after snow on the roadway passes 4 inches between November 15 and March 15, or 8 inches the rest of the year. Cul-de-sacs and alleys come last. A unit on a new-build lot at the end of a cul-de-sac can sit behind unplowed snow for a while after a storm, so for winter jobs we ask where the unit will sit relative to the street, keep a clear path to the door, and plan a service visit around the plow schedule rather than the calendar.

### A growing freestanding town: jobsites, the Crystal Valley interchange, and the Season of the Star

The Town counts more than 87,000 residents and says it is slated to grow to 130,000 to 150,000 while staying physically separate from the rest of the metro. That growth is the steady driver of our Castle Rock work: new homes, commercial pads, and road projects. The biggest one in view is the Crystal Valley interchange, a joint Town, Douglas County, and CDOT project that adds a new Crystal Valley Parkway bridge over I-25, new ramps, a roundabout, and a bridge over the BNSF tracks, with construction that began in early 2024 and full completion scheduled for 2027. Road and site crews on projects like that need units that move with the work and hold up to wind on open ground.

The event calendar is built around the Rock itself. The Star on top of the Rock went up in 1936 to catch the eye of highway travelers, and each year it is lit at the Chamber's Starlighting the Saturday before Thanksgiving, then stays on through the end of the National Western Stock Show in January. In 2026 that is Saturday, November 21, from 2 to 6 p.m. Downtown, with the lighting around 5:30 p.m. followed by fireworks, and the Festival Park Starlight Market follows December 4 and 5. Philip S. Miller Park, 300 acres with the Millhouse events center, an outdoor Amphitheater, and the Challenge Hill staircase, hosts concerts, weddings, and private events. A late-November evening crowd Downtown means winterized units, hand-wash stations that will not freeze, and lighting at the bank of units.

### Placement on new-build lots and Downtown, and the Castle Rock right-of-way permit

Most Castle Rock placements are private: a driveway, a builder's lot, a fenced commercial site, or a private event space. On private property with clear truck access you generally do not need a Town permit for a portable toilet. Keep the Town's construction noise rule in mind when you plan delivery windows on residential jobs: construction tools and equipment are barred from 7 p.m. to 7 a.m. on weekdays and 6 p.m. to 8 a.m. on weekends and holidays where the noise crosses into a residential property, and the rule exempts delivery and pickup of construction equipment.

Once a unit touches a Town street, shoulder, or sidewalk, it is a Public Works matter. The Town issues a Right of Way Permit through its eTRAKiT portal, and anyone working in the right-of-way needs a traffic control plan approved by a Town traffic engineer. Submit at least a week before a lane, shoulder, or sidewalk closure and 21 days before a full street closure, and on arterial and collector streets lane closures are allowed only from 8:30 a.m. to 3:30 p.m. on weekdays. The municipal code also provides a revocable right-of-way encroachment permit for temporary use of a Town right-of-way through Development Services, and it excludes State highway right-of-way, which answers to CDOT. A unit can never block a sidewalk, curb ramp, driveway, or hydrant. Tell us the exact address and whether the spot is private or in the right-of-way, and we confirm the path and coordinate the permit before the truck rolls.

![Two portable toilets and a hand-wash station on a shoveled gravel pad beside a house under construction on a snowy cul-de-sac, with pine trees and a flat-topped rocky butte in the distance](https://dumpsterrentals.us/porta-cities/castle-rock-co/new-build-lot-castle-rock.webp)
*A winter new-build setup on a cleared, level pad with a shoveled path to the doors, the plan for a cul-de-sac lot that may wait on the plow.*

![Two green portable toilets on a plowed gravel pad at a residential framing jobsite in winter](https://dumpsterrentals.us/porta-cities/_shared/winter-jobsite-snow.webp)
*Winter setup: units on a plowed, level pad with a shoveled path to the doors.*

![A green portable toilet and hand-wash station on a gravel shoulder behind traffic barrels at a road-paving project](https://dumpsterrentals.us/porta-cities/_shared/road-crew-roadside.webp)
*Road crew setup: on a level shoulder behind the work-zone barrels, where the service truck can reach it.*

## Porta potty rental in Castle Rock, CO: FAQs

### How much does a porta potty rental cost in Castle Rock?

A standard portable toilet in Castle Rock, CO starts at $270 for a weekend rental (up to 7 days) or $320 per month, with 4 service visits included in every 28-day rental. Upgrades: deluxe flushing units run $374/weekend, ADA-accessible units $374/weekend, luxury restroom trailers from $1610/weekend. Every Castle Rock rate is all-inclusive: delivery, pickup, fuel, and environmental and local fees are built into the one price, so there are no surprise line items. Online orders are $0.39 higher than the phone price; either way, we deliver and service the unit ourselves. Enter your ZIP for your exact Castle Rock rate.

### How many porta potties do I need for a Castle Rock jobsite (OSHA)?

OSHA's construction sanitation rule, 29 CFR 1926.51(c)(1), sets the floor: 1 toilet for 20 or fewer workers; 1 toilet seat and 1 urinal per 40 workers from 20 up to 200; and 1 toilet seat and 1 urinal per 50 workers above 200. OSHA also expects a worker to reach a toilet within about a 10-minute walk. On a Castle Rock jobsite, winter is the service risk, with about 166 nights a year at or below freezing, so we winterize the tank and keep a clear path to the door, and we recommend sizing above the OSHA minimum on busy multi-trade sites. Tell us the crew size and we will size the order to the standard.

### How often should portable toilets be serviced in Castle Rock?

Our standard Castle Rock monthly rental includes 4 service visits over the 28-day period, roughly weekly. Each visit pumps the tank, sanitizes the interior, and restocks paper, soap, and hand sanitizer. Weekly is the floor on a busy site, and high-traffic jobs and events get a mid-week visit. In winter we winterize the tank, and because the Town plows residential streets only after snow passes 4 inches in the cold months, with cul-de-sacs last, we time visits to lots where the truck can actually reach the unit after a storm. Service is built into the rate, so it never depends on anyone remembering to call.

### Do I need an ADA-accessible unit for my Castle Rock event?

For an event open to the public, yes. The 2010 ADA Standards for Accessible Design require that at least 5 percent of the single-user portable toilets in each cluster be accessible, with a minimum of one, and each accessible unit is marked with the International Symbol of Accessibility. (Units provided only for construction workers are exempt.) In practice a small Castle Rock event needs at least one accessible unit; a larger one needs one per every 20 standard units. ADA units in Castle Rock run $374 for a weekend. The accessible unit has ground-level entry, interior grab bars, and a full wheelchair turning radius, and it needs firm, level ground with a clear approach path. Tell us your guest count and we will build the right ratio in.

### Do I need a permit for a porta potty in Castle Rock, Colorado?

On private property in Castle Rock, a driveway, a builder's lot, a fenced jobsite, or a private event space with clear truck access, you generally do not need a Town permit for a portable toilet. Once any part of the unit sits in a Town street, shoulder, or sidewalk, the Town of Castle Rock Public Works Right of Way Permit applies, issued through the Town's eTRAKiT portal, with a traffic control plan approved by a Town traffic engineer at least a week before a lane, shoulder, or sidewalk closure and 21 days before a street closure. The municipal code also allows a revocable right-of-way encroachment permit for temporary use of a Town right-of-way, but not on State highway right-of-way, which is CDOT's. A unit can never block a sidewalk, curb ramp, driveway, or hydrant. Tell us the exact address and we confirm what your spot needs and coordinate the permit before delivery.

### What is the difference between a standard, deluxe, and restroom trailer in Castle Rock?

A standard unit is the jobsite and everyday-event workhorse: enclosed, stocked, and cost-effective at $270/weekend. A deluxe flushing unit adds a foot-pump flushing bowl and an in-unit sink for guest-facing events like weddings and corporate functions at $374/weekend. A luxury restroom trailer is a climate-controlled, multi-stall unit with porcelain toilets, running-water sinks, and mirrors, indistinguishable from a fine-venue bathroom, from $1610/weekend. Pick by how guest-facing the site is and how long the rental runs.

### Can I get same-day or weekend porta potty delivery in Castle Rock?

Yes. We deliver and service portable toilets throughout Castle Rock and the surrounding Douglas County area, with same-day and next-day drop-offs available in most of the area when you book early. Weekend event units are delivered clean before your event and picked up after. Enter your ZIP or call (866) 858-3867 and we will confirm the soonest available delivery for your address.

### Do you rent hand-wash stations in Castle Rock?

Yes. A freestanding hand-wash station pairs with any toilet unit and needs no power or water hookup: it has a foot-pump faucet, soap, and paper towels, stocked at delivery and every service visit. One station serves roughly four toilet units, the ratio most health departments expect. For food and drink events in Castle Rock, plan a station near the vendors and one near the toilets to cover both inspection points.

### How far ahead should I plan a porta potty in a Castle Rock street or sidewalk?

Plan ahead, because the Town sets the timeline. Any work in the Castle Rock right-of-way needs a Right of Way Permit through the Town's eTRAKiT portal and a traffic control plan approved by a Town traffic engineer. The Town asks for that at least a week before a lane, shoulder, or sidewalk closure and 21 days before a full street closure, and on arterial and collector streets lane closures are only allowed from 8:30 a.m. to 3:30 p.m. on weekdays. For an event, tell us the organizer and the date so we can line up the permit timeline with the event's own plans. If the unit can go on private property with clear truck access instead, no Town permit is generally needed, and we will suggest that when it works.

## Sources & standards

- [OSHA 29 CFR 1926.51(c), Sanitation (construction)](https://www.osha.gov/laws-regs/regulations/standardnumber/1926/1926.51): Federal toilet-to-worker ratios for construction sites.
- [2010 ADA Standards for Accessible Design (DOJ, ADA.gov)](https://www.ada.gov/law-and-regs/design-standards/2010-stds/): Scoping and technical rules for accessible single-user toilet units.
- [U.S. Access Board, Chapter 6: Toilet Rooms](https://www.access-board.gov/ada/guides/chapter-6-toilet-rooms/): Plain-language guidance on the 5% accessible-unit scoping rule at events.
- [Town of Castle Rock Public Works, Right of Way Permit resources (eTRAKiT portal, checklist, general conditions)](https://www.crgov.com/1826/Resources): The Town page that links the Right of Way Permit application in the eTRAKiT portal, the permit process checklist, the right-of-way general conditions and fee schedule, and the street, lane, shoulder and sidewalk closure applications required with it.
- [Town of Castle Rock, Street / Lane Closures (right-of-way requirements)](https://www.crgov.com/1829/Street-Lane-Closures): Traffic control plan requirement, closure lead times, and weekday lane-closure hours for work in the Town right-of-way.
- [Town of Castle Rock, Snow Information](https://www.crgov.com/1835/Snow-Information): Plow priorities and the 4-inch and 8-inch residential street thresholds that affect winter access.
- [Town of Castle Rock, Crystal Valley Interchange](https://www.crgov.com/3131/Crystal-Valley-Interchange): The Town, Douglas County and CDOT I-25 interchange project and its 2024 to 2027 schedule.
- [Town of Castle Rock, Season of the Star](https://www.crgov.com/2622/Season-of-the-Star): The 2026 Starlighting date and Downtown holiday event calendar.

## Related

- [Castle Rock dumpster rental](https://dumpsterrentals.us/locations/colorado/castle-rock)
- [Porta potties in Colorado](https://dumpsterrentals.us/services/portable-toilets/colorado)
- [Construction porta potties](https://dumpsterrentals.us/services/portable-toilets/construction)
- [Event portable toilets](https://dumpsterrentals.us/services/portable-toilets/events)
- [Luxury restroom trailers](https://dumpsterrentals.us/services/restroom-trailers)

Book: call (866) 858-3867 or order online at https://dumpsterrentals.us/order?service=portable-toilets. Standard units from $270/weekend in Castle Rock.