State park pavilion rentals
Seneca Creek's Blue Jay Pavilion seats up to 200 and Doe up to 150, so reunions or company outings there may want added restroom capacity.
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Call (888) 385-5513State park pavilion rentals, equestrian and farm events and canal outings often mean restroom trailer rental in Darnestown, where a 13 ft 3-stall fits a pavilion party. Learn whether the site is state, county, federal or private, since each has its own approval path. An estimate of about 1 hour 15 minutes covers the drive, emergency delivery requests are accepted around the clock, and a one-day rental or a lease includes an ADA ramp.

A crossroads settlement dating to about 1800, Darnestown grew where Route 28 meets Route 112 north of the Potomac River. It is an unincorporated census-designated place, so there is no town hall. Darnestown Presbyterian Church, dedicated in 1858, and the Black Rock Mill of 1815 in Seneca Creek State Park speak to its age. The area is edged by the state park, the C&O Canal and county conservation parks that attract riders, hikers and picnic groups, with horse farms among its landmarks.
A shower trailer rental here means private stalls with hot water; a restroom trailer rental means flush toilets and sinks. Combination trailers put all three in each stall, with an ADA stall when you need one.
| Trailer | Stalls | Water and power | Best for | From (1-6 days) |
|---|---|---|---|---|
| 13 ft shower-restroom combo | 3 private shower/restroom stalls | Hot and cold water; 120V/240V, 200 A | Small crews, estate events, tight sites | From $2,995 |
| 22 ft shower-restroom combo | 6 private stalls | Hot and cold water; 120V/240V, 200 A | Mid-size crews, festivals, campuses | From $4,995 |
| 30 ft shower-restroom combo | 8 private stalls | Hot and cold water; 120V/240V, 200 A | Base camps, plant outages, large events | From $3,995 |
| 20 ft shower container | 5 shower heads, water heater | 120V/240V, 200 A | Workforce and emergency shelters | From $3,995 |
| Combo + 1 ADA stall (3+1 and 8+1) | Standard stalls plus one ADA stall with ramp | As above | Public sites, schools, government, healthcare | Request a quote |
| 16-basin handwashing sink trailer | 16 basins | Water heater | Pairs with any unit for food and event sites | From $2,995 |
All prices are starting rates and may vary depending on delivery location, rental duration, site conditions and service needs. Request a quote for final pricing.
Rates by rental period are on the prices page, and the full inventory lists every trailer.



Seneca Creek's Blue Jay Pavilion seats up to 200 and Doe up to 150, so reunions or company outings there may want added restroom capacity.
Callithea Farm Special Park and the nearby Potomac Horse Center reflect the area's horse culture, where shows and clinics can draw spectators for long days.
Blockhouse Point, Seneca Landing and the C&O Canal towpath attract group hikes and paddling days, which can concentrate people at a few access points.
Seneca Creek State Park (about 6,300 acres with reservable pavilions holding 50 to 200), Blockhouse Point Conservation Park (630 acres along the Potomac and C&O Canal), Darnestown Local Park (ten-acre county park for neighborhood and league use), Callithea Farm Special Park (91-acre county horse farm park near the community), and Darnestown Presbyterian Church (historic 1858 church whose grounds suit congregational gatherings).
Darnestown is unincorporated, so Montgomery County handles zoning and special events on private land through the Department of Permitting Services. Seneca Creek State Park is run by Maryland DNR, which requires reservations for its pavilions and groves, and county parks fall to Montgomery Parks. Along the C&O Canal, National Park Service rules apply. No published rule for shower or restroom trailers was found, so the controlling landowner's office should confirm.
Find out first whether the site is state, county, federal canal land or private, since each has its own approval path.
Permit office: Montgomery County Department of Permitting Services
County office: Department of Permitting Services (DPS), 7th floor, Wheaton, MD 20902; (MC311); https://www.montgomerycountymd.gov/department-permitting-services
County health: Department of Health and Human Services (DHHS), Licensure and Regulatory Services: licenses Special Food Events (fixed location, up to 30 consecutive days; application at least two working days ahead). No county rule specific to restroom or shower trailers was found, so ask DHHS and DPS whether a trailer with a wastewater connection or holding tank needs review.
Permit rules and event dates change, so confirm current requirements with the office before you order. Water and power hookups are confirmed in your quote. For federal and state basics (OSHA, ADA, wastewater) read the Maryland rules guide.
ADA-compliant restroom and shower trailers for Darnestown, including combination trailers with a dedicated ADA stall. See ADA trailers
Luxury restroom trailer rental for weddings and events near Darnestown, with private stalls for every guest. See wedding trailers
Monthly restroom and shower trailer rental for Darnestown job sites and facilities. See long-term rental
Darnestown is in Montgomery County, part of the Capital Region.
Pavilions are reserved through Maryland DNR and renters also pay park admission. The published pages do not address trailers, so call the park office to ask whether added facilities are allowed on that site before booking.
Montgomery County does. The Department of Permitting Services issues special event permits for public events affecting roads or neighbors and recommends applying at least 30 days ahead. For questions beyond that, county staff can direct you to the right agency.
Yes. ADA-accessible restroom trailers, shower trailers and shower and restroom combination trailers go to Darnestown and the rest of Montgomery County. Send the address and dates and the quote confirms trailer, delivery and price.
Yes. Construction sites, renovations and seasonal operations use long-term rental and leasing. Monthly rates are on the rental prices page and the final price is set in your quote.
Tell us the Maryland address, how many people and how long. We reply with the trailer, the stall count and the price.
Prefer to talk? Call (888) 385-5513, open 24 hours a day.
Short-Term & Long-Term Rentals and Leasing.