# Porta Potty Rental in Ontario, CA

> A standard portable toilet in Ontario, CA starts at $345 for a weekend rental (up to 7 days) or $395 per month, with 4 service visits included in every 28-day rental. Upgrades: deluxe flushing units run $449/weekend, ADA-accessible units $449/weekend, luxury restroom trailers from $1610/weekend. Every Ontario 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 Ontario rate.

- Canonical page: https://dumpsterrentals.us/services/portable-toilets/california/ontario
- Provider: Ultimate Dumpsters, (866) 858-3867
- Service area: Ontario, San Bernardino County, California
- 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

## Ontario 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 | $345 | $395 | Enclosed unit, hand sanitizer, and toilet paper. Restocked at every service visit. |
| Deluxe Flushing Portable Toilet | $449 | $499 | Foot-pump flushing bowl plus an in-unit hand-wash sink. The guest-friendly upgrade. |
| ADA-Accessible Portable Toilet | $449 | $499 | Ground-level entry, interior grab bars, and a full wheelchair turning radius. ADA-compliant. |
| Portable Hand-Wash Station | $345 | $395 | 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 Ontario porta potty prices

- Source: the Ultimate Dumpsters pricing matrix our order desk quotes from, read for Ontario, CA (ZIP 91758).
- 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 Ontario address; other ZIPs can price differently; multi-unit events, extra service visits, and special placements are quoted to the job.
- Served Ontario since 2019.
- Busiest Ontario months in our order records: January and February.

Cite as: Ultimate Dumpsters, "Porta Potty Rental in Ontario, CA" rate sheet, updated 2026-09-29. https://dumpsterrentals.us/services/portable-toilets/california/ontario

## How many portable toilets you need in Ontario

| 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 Ontario is actually like

Ontario is the western gateway to the Inland Empire, and it plays by its own rules. It is one of the hottest valley cities in the region in late summer, it is building an entire new district of homes, parks and business parks on former farmland in Ontario Ranch, and its original Model Colony core still runs on Euclid Avenue, the airport, and an arena event calendar. Three local realities shape almost every Ontario order: long triple-digit-prone summers, tract-by-tract homebuilding in Ontario Ranch, and a right-of-way process run by the city's own Engineering Department. Here is how each one changes what we recommend.

### Why Ontario's mid-90s summer normals change the service interval

At Ontario International Airport, the 1991-2020 normal high is about 94 degrees in July, 95 in August and 91 in September, and heat waves regularly push past 100. That is hotter than the coast by a wide margin, and a portable toilet sitting on a bare dirt pad or a black asphalt lot absorbs all of it. Odor builds faster, hand sanitizer and paper run out sooner, and a busy unit that is fine on a weekly schedule in spring can need attention mid-week in August. On Ontario jobsites and summer events we treat weekly service as the floor, add a mid-week visit on high-traffic and food-service sites, and set units in the shade of a building, container or tree line where the site gives us one.

Rain is scarce, about 11.6 inches in a normal year, almost all of it from December through March. When winter storms do come, freshly graded tract pads turn to mud fast, so we set units on the firmest, highest part of the lot and keep them out of any temporary drainage swale. Late summer and fall also bring the dry offshore winds that sweep the western Inland Empire, so on open graded ground we stake or strap units and face the door away from the wind.

### Ontario Ranch: a new city district rising on former farmland

The biggest construction story in Ontario is Ontario Ranch, the southern part of the city being built out on former agricultural land. The city's planning page lists approved projects there covering about 4,026 acres, with more than 10,000 single-family homes, more than 10,000 multi-family units, and over 16 million square feet of industrial space, plus a 320-acre Grand Park. The same page still tracks Williamson Act farmland contracts, so on the ground a new subdivision can sit right next to a working agricultural parcel.

That changes how we plan. Tract builds move phase by phase, so units need to move with the framing crews from one block of lots to the next, and model home complexes need clean, discreet units for the sales team and visitors. We coordinate relocations with the superintendent, keep units off finished sidewalks and landscaped parkways that are about to be turned over to the city or HOA, and place them where the pump truck can reach them on the paved spine roads while the interior streets are still dirt. On the business-park side of Ontario Ranch, tilt-up crews get the same treatment: units sized to the crew, placed clear of the trailer and crane paths.

### Placement in the Model Colony, around the airport and arena, and Ontario's encroachment permit

Ontario was laid out in 1882 by the Chaffey brothers as a planned Model Colony, and its centerpiece, Euclid Avenue, still runs eight miles long and 200 feet wide with a planted parkway down the middle. North Ontario's older blocks mean tighter residential driveways and historic grove-era houses, while the area around Ontario International Airport and Toyota Arena, home of the Ontario Reign, means big paved lots and event crowds. City events such as the Holiday Light Parade, the Dia de los Muertos procession and the 5K Reindeer Run bring their own layouts. On private property with clear truck access, a jobsite, a driveway, a church or business lot, you generally do not need a city permit to set a portable toilet. What matters is firm, level ground the service truck can reach every week, clear of driveways and fire lanes.

When any part of the unit has to go on a public street, curb, parkway or sidewalk, the City of Ontario Engineering Department governs it. Engineering oversees the public right-of-way, and its Applications and Resources page routes encroachment permit applications, road closures and inspection requests through the city's Online Application Portal. Events in the Euclid Avenue median or on a closed street go through the city first. The unit can never block a sidewalk, curb ramp, driveway or fire hydrant. Tell us the exact address and whether the drop is private or curbside, and we confirm the requirement with Engineering and coordinate it before the truck rolls.

![Two portable toilets and a hand-wash station on a gravel pad beside a new paved road, with rows of wood-framed houses under construction, an open field beyond, and hazy mountains on the horizon](https://dumpsterrentals.us/porta-cities/ontario-ca/ontario-ranch-tract-build.webp)
*An Ontario Ranch tract setup: units on the paved spine road where the pump truck can reach them while interior streets are still dirt, ready to move with the framing crews phase by phase.*

![A service truck pumping a row of green portable toilets during a routine visit on a jobsite](https://dumpsterrentals.us/porta-cities/_shared/service-visit-pump-truck.webp)
*A routine service visit: pump, sanitize, and restock. Four visits come with every monthly rental.*

![A long bank of portable toilets along the edge of a stadium parking lot on game day](https://dumpsterrentals.us/porta-cities/_shared/stadium-lot-bank.webp)
*Game-day bank sized to the crowd, with clear lanes left for the service truck.*

## Porta potty rental in Ontario, CA: FAQs

### How much does a porta potty rental cost in Ontario?

A standard portable toilet in Ontario, CA starts at $345 for a weekend rental (up to 7 days) or $395 per month, with 4 service visits included in every 28-day rental. Upgrades: deluxe flushing units run $449/weekend, ADA-accessible units $449/weekend, luxury restroom trailers from $1610/weekend. Every Ontario 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 Ontario rate.

### How many porta potties do I need for a Ontario 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 an Ontario jobsite we recommend sizing above the bare OSHA minimum for mid-90s summer normals, relocating units as tract phases move, and keeping them on firm ground the service truck can reach every week. Tell us the crew size and we will size the order to the standard.

### How often should portable toilets be serviced in Ontario?

Our standard Ontario 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. From July through September, when Ontario's normal highs run in the mid-90s and heat waves go past 100, we add a mid-week visit on busy jobsites and food-service events rather than stretching the schedule. On dusty graded tract pads we wipe down every surface on each visit, not just pump. Service is built into the rate, so compliance never depends on anyone remembering to call.

### Do I need an ADA-accessible unit for my Ontario 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 Ontario event needs at least one accessible unit; a larger one needs one per every 20 standard units. ADA units in Ontario run $449 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 Ontario, California?

On private property with clear truck access, a jobsite, a tract lot, a driveway or a business parking lot, you generally do not need a city permit for a portable toilet in Ontario. If any part of the unit sits on a public street, curb, parkway or sidewalk, the City of Ontario Engineering Department governs it: Engineering oversees the public right-of-way and takes encroachment permit applications, road closure requests and inspection requests through its Online Application Portal. Ontario does not publish a separate portable-toilet permit, so we confirm the requirement for your exact spot with Engineering. For an event on a closed street or in a public space, the event goes through the city first. Tell us the exact address and whether the drop is private or curbside, and we coordinate it before delivery.

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

A standard unit is the jobsite and everyday-event workhorse: enclosed, stocked, and cost-effective at $345/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 $449/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 Ontario?

Yes. We deliver and service portable toilets throughout Ontario and the surrounding San Bernardino 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 Ontario?

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 Ontario, plan a station near the vendors and one near the toilets to cover both inspection points.

### How do you handle porta potty rentals for a tract build or model homes in Ontario Ranch?

Ontario Ranch is being built out phase by phase, with thousands of approved homes and millions of square feet of business park on former farmland, so the restroom plan has to move with the build. We size units to the framing and trade crews on each phase, relocate them as the work moves from one block of lots to the next, and place them on the paved roads where the pump truck can reach them while interior streets are still dirt. Model home complexes get clean, discreet units and hand-wash stations for the sales team and visitors. In July through September, when normal highs sit in the mid-90s, we add a mid-week service on busy phases. Tell us the tract, the phase map and the crew size, and we build the schedule.

## 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.
- [City of Ontario Engineering, Applications and Resources](https://www.ontarioca.gov/government/public-works/engineering/engineering-applications-resources): Ontario Engineering takes encroachment permit applications, road closure requests, and inspection requests through its Online Application Portal.
- [City of Ontario, Ontario Ranch Community](https://www.ontarioca.gov/government/community-development/planning/ontario-ranch-community): Approved and in-process Ontario Ranch projects, including acreage, housing units, industrial space, and Williamson Act contracts.
- [City of Ontario, Ontario's History](https://www.ontarioca.gov/about-ontario/ontarios-history): The Chaffey brothers' 1882 Model Colony and Euclid Avenue, eight miles long and 200 feet wide.
- [City of Ontario, Special Events](https://www.ontarioca.gov/CommunityLife/recreation-community-services/special-events): The city's event calendar, including the Holiday Light Parade and the 5K Reindeer Run.
- [National Weather Service San Diego](https://www.weather.gov/sgx/): The NWS office that issues heat and wind forecasts for the western Inland Empire, including Ontario.

## Related

- [Ontario dumpster rental](https://dumpsterrentals.us/locations/california/ontario)
- [Porta potties in California](https://dumpsterrentals.us/services/portable-toilets/california)
- [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 $345/weekend in Ontario.