Porta Potty Rental in Gaithersburg, MD
Gaithersburg is an incorporated city in Montgomery County, Maryland, and we take portable toilet rental calls for any address in it. Call (888) 417-6737, answered 24/7, and we connect you with a provider that serves the site. Freezing weather is the main planning factor: about 102 nights a year reach 32°F (NOAA normals), which matters for any unit that carries water.
Updated 2026-10-13

- 1Call with the site address, dates and headcount.
- 2We connect you with a provider that serves the site.
- 3The provider confirms units, price, delivery, servicing and pickup.
Gaithersburg at a Glance
Climate figures: NOAA 1991–2020 normals from the Washington Dc Dulles Ap, VA station, about 20 miles away. Conditions on your site can differ from the station's.
Planning Around the Weather
The closest NOAA climate-normals station, Washington DC Dulles Airport, VA, is about 20 miles from Gaithersburg's Census point, far enough that conditions on your site can differ; treat the 1991–2020 normals below as a guide. DOE's Building America map puts Montgomery County in the Mixed-Humid climate region (IECC 2021 zone 4A, PNNL county guide). This region gets both a real summer and a real winter, so a July rental and a January rental need different planning.
Freezing Nights
About 102 nights a year reach 32°F or below, more than most U.S. places in our data, mostly between late fall and early spring. Water-carrying units need a plan from late fall into spring: give your dates when you call and ask how hand-wash water and flush tanks are kept from freezing.
Snow and Access
About 21 inches of snow falls in an average year, less than most U.S. places in our data, usually in a handful of storms. After a storm, clear the route from the road to the units before the next service day so the truck can reach them.
Summer Hot Spells
About 33 days a year reach 90°F, more than most U.S. places in our data; hot spells come and go rather than lasting all summer. If your dates land in a hot spell, ask for an extra service visit on multi-day rentals and keep hand-wash stations topped up.
Job Sites and Home Projects
New Housing
About 14.6% of Gaithersburg's housing units were built in 2010 or later (ACS 2020–2024), above the U.S. share of 11.4% and higher than three in four U.S. places in our data: newer construction sits alongside older stock, so job sites range from new homes to additions and repairs.
Homes From the 1970s and 1980s
The median year built for Gaithersburg's housing is 1989 (ACS 2020–2024), newer than most U.S. places in our data, and 32% of housing units predate 1980. Housing from that era is now 35 to 55 years old; crews replacing roofs, windows or mechanical systems on it need a toilet on site like any other crew.
Apartments, Townhouses and Rentals
The most common housing type is buildings with five or more units, about 50% of units (higher than nine in ten U.S. places in our data), followed by townhouses and rowhouses at about 30% (ACS 2020–2024). Apartment and condo projects bring larger crews, and a property manager decides where units go. Townhouses and rowhouses share walls and often lack a side yard, so a unit for a renovation may need to sit in a shared driveway or at the curb. About 49% of occupied homes are rented (owner share lower than three in four U.S. places in our data), so check who controls the property before a unit goes on it.
OSHA 29 CFR 1926.51 scales with headcount: 45 workers on an apartment or condo site need 2 toilet seats and 2 urinals, 210 need 5 of each. More on sizing: construction rentals in Maryland.
Events, Weddings and Parties
An all-day festival for 5,000 people over six hours needs 38 units on the PSAI event chart, or 42 to 46 with alcohol (PSAI adds 10–20%). Every cluster of restrooms needs at least 5% accessible units, rounded up; for winter events, clear the route to the ADA unit at full width, not just a footpath.
Cold, not heat, limits the outdoor season: from late fall into spring, ask for a heated restroom trailer or units that do not depend on running water. For a party at an apartment complex or a rented home, the property manager or landlord decides where units can stand. More: event rentals in Maryland and wedding restrooms in Maryland.
Who to Ask About Local Rules
Gaithersburg is an incorporated city with its own municipal government. For an event on public land, or a unit that will stand on a street, sidewalk or in a park, ask the Gaithersburg city government before you book what applies.
On attached or small multi-unit lots without a driveway, a unit at the curb is a street-use question for the Gaithersburg city government.
Rental Types Available
Tell us the units you want; the provider serving your site confirms what's available.
Event Porta Potty Rental
Festivals, fairs, races, parties and community events of any size.
Construction Porta Potty Rental
Job-site units sized to OSHA's construction toilet requirements.
Wedding Restroom Rental
Restroom trailers and deluxe units for outdoor ceremonies and receptions.
Restroom Trailer Rental
Flushing toilets, running water and climate control in a towable trailer.
Hand-Washing Station Rental
Freestanding sinks with fresh water and soap for events and job sites.
Nearby Locations
- Germantown, MD 4 mi
- Rockville, MD 5 mi
- Silver Spring, MD 14 mi
- Herndon, VA 16 mi
- Laurel, MD 18 mi
Larger city nearby: Alexandria, VA (24 mi)
Also in Montgomery County
Straight-line distances between Census place points; not a service-area or travel-time claim. All Maryland locations.
Questions About Renting in Gaithersburg
Can I rent porta potties in Gaithersburg, MD?
Yes. Call (888) 417-6737, answered 24/7, with the Gaithersburg address and dates; we connect you with a provider that serves the site, and the provider confirms units, price, delivery, servicing and pickup.
How many toilets does an apartment renovation in Gaithersburg need?
It depends on the crew, not the building: 15 workers need 1 toilet, 45 need 2 toilet seats and 2 urinals (OSHA 1926.51). About 50% of Gaithersburg's housing units are in buildings with five or more units (ACS).
What weather should I plan for in Gaithersburg?
NOAA 1991–2020 normals from the Washington DC Dulles Airport, VA station, about 20 miles away: about 33 days a year at or above 90°F, 102 nights at or below 32°F, 43 inches of precipitation and 21 inches of snow. The station is more than 15 miles away, so your site can differ. Plan for freezing first: water-carrying units need winterizing or heat.
Is the weather data for Gaithersburg measured in Gaithersburg?
No. The nearest NOAA normals station, Washington DC Dulles Airport, VA, is about 20 miles away, so your site can be warmer, colder or wetter. Use the figures as a guide and tell us your dates.
Who do I ask about a permit for an event or a unit on the street in Gaithersburg?
Ask the Gaithersburg city government. Its special-events or street-use office can say what applies to your date.
What affects the price of a porta potty rental?
Unit type, number of units, rental length, servicing frequency and how easy the site is to reach. The provider quotes before you book.

Don't know where to start?
Call now and tell us about your event or job site. We will help you work out the units you need and connect you with a provider that serves your location.
(888) 417-6737Phones answered 24 hours a day, 7 days a week.
