# Porta Potty Rental in San Mateo, CA

> A standard portable toilet in San Mateo, 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 San Mateo 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 San Mateo rate.

- Canonical page: https://dumpsterrentals.us/services/portable-toilets/california/san-mateo
- Provider: Ultimate Dumpsters, (866) 858-3867
- Service area: San Mateo, 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

## San Mateo 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 San Mateo porta potty prices

- Source: the Ultimate Dumpsters pricing matrix our order desk quotes from, read for San Mateo, CA (ZIP 94401).
- 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 San Mateo address; other ZIPs can price differently; multi-unit events, extra service visits, and special placements are quoted to the job.

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

## How many portable toilets you need in San Mateo

| 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 San Mateo is actually like

San Mateo sits midway down the Peninsula between San Francisco and Silicon Valley, and we do not plan it like either end. Three local realities shape almost every San Mateo order: the San Mateo County Event Center, a 48-acre fair and expo campus that hosts the county fair every June and shows all year, a city event permit that has to be filed up to 90 days ahead, with a signed neighbor petition for a block party, and a bayside flood zone around Marina Lagoon where winter storms, not heat, decide where a unit can safely sit. Here is how each one changes what we recommend.

### Mild Peninsula weather, winter storms, and the bayside flood zone

San Mateo's weather is mild most of the year, so heat rarely changes our service schedule here. What changes placement is water. The city says certain bayside neighborhoods have been mapped by FEMA as Special Flood Hazard Areas since 2001, with the latest flood map update effective October 11, 2024, and it created the North Shoreview Assessment District to fund the work to take those areas out of the flood zone. Voters approved a Community Flood and Storm Protection Fee in 2023 to maintain the city's aging storm drain system, and during big storms the city holds Marina Lagoon at lower levels and may staff it around the clock.

For a portable toilet, that means winter placement near the bay, the lagoon, or a creek takes more care. From November through March we keep units off low spots, gutters, storm drain inlets, and lagoon-edge lawns, set them on pavement or firm, level ground, and anchor them where storm winds come off the bay. When the city warns residents near a creek, lagoon, or hillside to shore up their property ahead of a storm, we check that a loaded service truck can still reach every unit and move any that sit in a spot likely to pond.

### The San Mateo County Fair and a year-round Event Center calendar

The San Mateo County Event Center covers 48 acres, with seven buildings, more than 195,000 square feet of indoor exhibit space, and three large parking lots, and it has hosted events since the Little Flower Show in 1926. It is home to the San Mateo County Fair, which ran June 5 through June 14 in 2026 and is set for June 4 through June 13 in 2027, and it fills the rest of the year with consumer shows, trade events, and private gatherings. Vendors, exhibitors, and overflow parking areas around a large show often need extra restrooms and hand-wash stations beyond what the buildings provide.

For events at or around the Event Center, we plan units along the paths people actually walk between parking, food, and stages, add hand-wash stations wherever food is served, and service multi-day shows daily. Fair season in early June also books up delivery windows across the Peninsula, from graduations to neighborhood parties, so we recommend locking dates early. Tell us the show, the dates, the expected crowd, and where your booth or lot sits, and we build the unit count and delivery window around the event schedule.

### Placement on city streets, block parties, and the San Mateo encroachment permit

Most San Mateo placements are private: a driveway remodel, a backyard party, a commercial lot, or a fenced jobsite. On private property with clear truck access, you generally do not need a city permit for a portable toilet. Because a unit on the street needs a permit here, we confirm a level spot on the driveway or lot, overhead clearance, and a route in before the truck rolls.

Street placements and events run on fixed city timelines. The City of San Mateo Public Works Department requires an encroachment permit for any work in the public right-of-way, submitted by email with insurance naming the city, a site plan or traffic control plan, a permit fee, and a security deposit. A public event on city property or a roadway, or a private event that affects one, from a festival or race to a farmers' market, needs a Special Community Events Permit filed at least 90 days ahead for a new event or 45 days for a repeat one. Closing a residential street for a block party takes a Residential Block Party Permit filed at least 20 business days ahead, with a petition signed by every affected resident. A unit can never block a sidewalk, curb ramp, driveway, or hydrant. Give us the address and whether the spot is private or public, and we confirm what the placement needs and coordinate before delivery.

![A row of portable toilets and two hand-wash stations on asphalt beside a fairground lot, with exhibit halls, white tents, a Ferris wheel, and green hills under soft clouds](https://dumpsterrentals.us/porta-cities/san-mateo-ca/san-mateo-event-center-fair-grounds.webp)
*A fair-season setup in San Mateo: units and hand-washing on firm pavement along the walk between parking and the exhibit halls.*

![Hand-wash stations between a row of food trucks and a bank of portable toilets at a food festival](https://dumpsterrentals.us/porta-cities/_shared/festival-handwash-food.webp)
*Food event layout: hand-wash stations between the vendors and the toilets, where inspectors look for them.*

![A green portable toilet on a suburban driveway beside a roll-off container during a home renovation](https://dumpsterrentals.us/porta-cities/_shared/driveway-renovation-unit.webp)
*Home renovation placement: on the driveway, on private property, clear of the sidewalk.*

## Porta potty rental in San Mateo, CA: FAQs

### How much does a porta potty rental cost in San Mateo?

A standard portable toilet in San Mateo, 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 San Mateo 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 San Mateo rate.

### How many porta potties do I need for a San Mateo 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 San Mateo construction site we size to the OSHA table and the crew's real traffic rather than the mild weather, add a hand-wash station at the break area, and in winter keep units on firm, raised ground away from drainage paths near the bay and Marina Lagoon. Tell us the crew size and we will size the order to the standard.

### How often should portable toilets be serviced in San Mateo?

Our standard San Mateo 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. San Mateo's mild weather means heat rarely forces extra visits, so frequency here follows use: a busy jobsite crew, a multi-day show at the Event Center, or a large party can fill a tank before the week is out, and on those we add visits or service daily. In winter we check units after storms, especially near the bay, Marina Lagoon, and creeks, and move any that sit where water collects. Service is built into the rate, so it never depends on anyone remembering to call.

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

On private property with clear truck access, a driveway, a backyard, a commercial lot, or a fenced jobsite, you generally do not need a city permit for a portable toilet in San Mateo. If any part of the unit sits in a public street, on a sidewalk, or in a public easement, the City of San Mateo Public Works Department requires an encroachment permit, with insurance naming the city, a site plan or traffic control plan, a fee, and a security deposit. Events on city property or roadways need a Special Community Events Permit filed 90 days ahead for new events or 45 days for repeat events, and a block party needs a Block Party Permit 20 business days ahead. A unit can never block a sidewalk, curb ramp, driveway, or hydrant. Tell us the exact address and whether the spot is private or public, and we confirm what your placement needs and coordinate with the city before delivery.

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

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 San Mateo?

Yes. We deliver and service portable toilets throughout San Mateo and the surrounding San Mateo metro 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 San Mateo?

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

### How far ahead should I plan portable toilets for an event in San Mateo?

Start with the city's timeline. If your event uses city property or a roadway, or will affect one, San Mateo requires a Special Community Events Permit filed at least 90 days ahead for a new event and 45 days ahead for a repeat event. A residential block party that closes the street needs a Block Party Permit at least 20 business days ahead, with a petition signed by all affected residents. Events on private property that do not affect the street need no permit and can be booked on a shorter timeline, but early June fills up around the San Mateo County Fair, so book early then. Give us the date, the site, and the guest count, and we size the order and lock the delivery window.

## 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 San Mateo Public Works, Encroachment Permit](https://www.cityofsanmateo.org/1075/Encroachment-Permit): The City of San Mateo states that any work performed in the public right-of-way, including public infrastructure within a public easement, requires an encroachment permit, applied for by email with liability insurance naming the city, a site plan and/or traffic control plan, a permit fee, and a security deposit.
- [City of San Mateo, Special Community Events Permit](https://www.cityofsanmateo.org/1076/Special-Community-Events-Permit): The city's permit for events on city property or roadways, with applications due 90 days ahead for new events and 45 days ahead for previously held events.
- [City of San Mateo, FEMA and Flood Protection](https://www.cityofsanmateo.org/2075/FEMA-Flood-Protection): The city's flood-zone page: bayside neighborhoods in FEMA Special Flood Hazard Areas since 2001, the October 11, 2024 map update, and the North Shoreview Assessment District.
- [City of San Mateo, Storm and Flood Preparedness](https://www.cityofsanmateo.org/1938/Flood-Preparedness): The city's storm preparations, including holding Marina Lagoon at lower operating levels during extreme storms.
- [San Mateo County Event Center](https://smcec.co/): The 48-acre event campus with over 195,000 square feet of exhibit space, home to the annual San Mateo County Fair.

## Related

- [San Mateo dumpster rental](https://dumpsterrentals.us/locations/california/san-mateo)
- [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 San Mateo.