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Bounce House Rentals in Gaithersburg, MD
Smiley Jump LLC rents bounce houses and moon bounces across Gaithersburg, Maryland β Olde Towne, Kentlands, Lakelands, Quince Orchard, Washingtonian Woods and Deer Park β for birthday parties, Montgomery County Public Schools field days, church events and HOA block parties. Units start at $149 for a toddler castle and $199 for a standard bounce house, with combos, obstacle courses and toddler activities available. We are based 8 miles up I-270 in Germantown, which makes Gaithersburg our closest delivery area and our easiest city for short-notice bookings. Free cancellation before 7 AM on your event day.
Why Gaithersburg Families Book Bounce Houses With Smiley Jump
Sanitized units, certified operators, and a crew that knows how City of Gaithersburg pavilion timing works before you sign the reservation.
Four Kinds of Bounce House Rentals for Gaithersburg Events
Gaithersburg yards vary more than most Montgomery County cities. Kentlands and Lakelands were built on New Urbanist principles β houses close together, rear alley-loaded garages, small private yards and shared pocket parks. Olde Towne has older lots with mixed access. Washingtonian Woods, Quince Orchard Park and Deer Park run larger and flatter. Which of these four categories works for you depends more on your specific street than on your budget.
Classic Bounce Houses
From $199. The smallest footprint, and the only category that reliably fits a Kentlands or Lakelands rear yard.
Combo Bounce Houses
From $309. Bounce floor plus a slide and climb β best value per guest if you have the room.
Toddler Activities
From $149. Ball pits, gaga pits and low units for children up to five, and for tight spaces.
Obstacle Courses
20 ft to 100 ft race lanes. For MCPS field days and Bohrer Park pavilion events with real space.
How Much Does It Cost to Rent a Bounce House in Gaithersburg, MD?
Bounce house rentals in Gaithersburg start at $149 for a toddler castle and $199 for a standard bounce house. Combo units with a slide begin at $309, and large obstacle courses reach $699. Every price below includes delivery, professional setup, and pickup β there is no separate delivery fee for Gaithersburg addresses.
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| Rental | Type | Base Price | Best For |
|---|---|---|---|
| Toddler Castle Bounce House | Toddler | $149 | Ages 1β4, daycares, small Kentlands and Lakelands yards |
| 15x15 GAGA Pit | Group Game | $199 | No height clearance needed; works in pocket parks and indoors |
| Castle Bounce House 13 x 13 | Classic | $199 | Smallest classic footprint β the go-to for tight rear yards |
| Tropical Bounce House | Classic | $199 | Budget all-rounder for ages 4β10 |
| Rainbow Castle Bounce House | Classic | $199 | Bright theming; photographs well |
| Castle Bounce House | Classic | $229 | Our most-requested standard bounce house |
| Princess Castle | Classic / Themed | $229 | Themed parties, ages 3β8 |
| Unicorn Bounce House | Classic / Themed | $249 | Popular themed pick for younger guests |
| Tropical Combo Bounce House With Slide | Combo | $309 | Cheapest route to adding a slide |
| Large Toxic Bounce House | Classic / Large | $329 | High capacity for school and church events |
| Disco Dome | Enclosed | $349 | Tweens and teens; lights and music inside |
| Toddler Obstacle | Toddler | $349 | Preschool and daycare group play |
| Unicorn Combo | Combo | $359 | Bounce, climb and slide with theming |
| Castle Combo β Dual Slide | Combo | $369 | Two slide lanes; keeps queues short |
| Sports Fusion | Interactive | $569 | Ages 8+, MCPS spirit days, corporate picnics |
| 65' Royal Combo Obstacle | Obstacle | $699 | Bohrer Park pavilion events and large field days |
You will find cheaper quotes in Gaithersburg. What you are paying for here is a licensed, insured operator with SIOTO Advanced certification, commercial-grade units, and certificates of insurance we can issue in your school's or HOA's name β which is what most venues actually require. Call (240) 593-2781 or check availability. Discounts apply for military families, nonprofits and returning customers.
Bounce House Setup Built Around Gaithersburg Streets
Smiley Jump LLC helps Gaithersburg hosts choose a unit that fits the actual property. Gaithersburg is the largest city in Montgomery County and its housing stock is unusually varied, which makes generic advice useless here. What works on a Deer Park lot will not fit behind a Kentlands townhouse.
Kentlands & Lakelands Access
Both neighborhoods use New Urbanist design: houses set close together, rear alley-loaded garages, small private yards, and shared pocket parks. The constraint is almost never yard size β it is getting a rolled unit through a narrow gate or alley, which needs about four feet of clearance. We ask about access at booking, and often the better answer is the neighborhood common green rather than the yard.
Indoor Options Year Round
Because these are dry units, they work indoors. Gaithersburg has real indoor capacity for this β the Activity Center at Bohrer Park, Casey Community Center, the Arts Barn and Kentlands Mansion are all City facilities available for rental. The limit is ceiling height: most standard units need roughly 15 to 16 feet, while the 13 x 13 castle, toddler units and gaga pits fit lower rooms.
8 Miles Means Short Notice Works
Our warehouse at 23320 Ridge Road in Germantown is about 8 miles from Gaithersburg up I-270. That is our shortest run of any service city, which is why Gaithersburg is where we can most often say yes to a last-minute booking or an early delivery window. Call and ask β the answer here is different from our Frederick or Arlington answer.
Build Out the Whole Event
Many Gaithersburg hosts add to the bounce house. Explore concessions, interactive games, party packages and foam parties.
How to Book a Bounce House Rental in Gaithersburg, MD
Booking online takes about ten minutes. If your event is at a City of Gaithersburg pavilion, read step two carefully β the timing rule catches most people out.
Check Your Date
Start with the availability calendar. Spring and early-summer Saturdays and MCPS field day weeks in May and June are the first to fill.
Reserve the Venue First
For a City pavilion, book that before the inflatable. City pavilions rent in five-hour blocks and the City's own policy states that rental time must include setup and cleanup, and that preparation for amusement services should be included in your block. Plan accordingly β see the next section.
Measure Four Things
Clear floor space, overhead clearance, gate or alley width, and distance to a grounded outdoor outlet. In Kentlands and Lakelands, access width is usually the deciding number.
Pick Your Unit
Use the price table above to match a classic, combo, toddler or obstacle unit to your space and your guests' ages.
Confirm Details
Lock in your Gaithersburg address, delivery window, setup surface and power access. This is when we issue a certificate of insurance for your school, HOA or the City if one is required.
Delivery, Setup and Pickup
Our crew arrives ahead of your start time, anchors the unit, tests it, and hands it over. After the event we deflate and remove everything on the scheduled window.
How Our Bounce Houses Are Cleaned and Anchored
Smiley Jump LLC operators hold SIOTO Advanced certification and IOA membership. Every Gaithersburg bounce house rental follows the same preparation sequence, and anchoring changes with the surface.
Sanitized between rentals. Bounce floors, walls, netting and slide surfaces are cleaned and treated after every event, then dried before storage.
Anchored to the surface type. Long stakes in turf on grass installs; weighted ballast on driveways, park hardscape, and indoor floors where staking is not permitted.
Blower on a dedicated circuit. Units stay inflated continuously, so the blower needs a grounded outlet on its own circuit within about 100 feet. We can bring a generator for park sites with no power.
Clearance verified before inflating. Open space on all sides plus overhead clearance from branches, utility lines, and indoors from light fixtures and sprinkler heads.
Rules reviewed at handover. Similar sizes and ages bounce together, no shoes, no eyewear, no food or drink inside, no flips. Adult supervision is required throughout.
Wind and storms end play. Inflatables must come down in sustained high wind or thunderstorms. This matters most at open sites like Bohrer Park fields.
Certificates of insurance naming Montgomery County Public Schools, your church, your HOA, or the City of Gaithersburg as additional insured are available on request β ask when you book so we can prepare them before your reservation deadline. Full terms are on our policies page.
The Five-Hour Problem at Gaithersburg Park Pavilions
This is the one piece of Gaithersburg-specific planning advice worth reading before you book anything. City of Gaithersburg pavilions at Bohrer Park at Summit Hall Farm and Griffith Park are rented in five-hour blocks, and the City's published policy is explicit that your rental time must include setup and cleanup, and that preparation for catering and amusement services should be included in that block.
Our standard inflatable rental is also up to five hours. Those two five-hour windows are not the same five hours. Inflatable setup and takedown happen inside your pavilion block, so a five-hour pavilion booking does not give you five hours of bounce time β it gives you closer to four once the unit is up and safely down again.
Three ways to handle it
- Buy additional pavilion time. The City allows extra time to be purchased. This is the cleanest fix and usually the cheapest way to protect your actual party hours.
- Plan for four hours of play. Book the five-hour block, tell guests the bounce house opens 30β45 minutes after your start time, and schedule food first.
- Move the inflatable off the pavilion reservation. If your group has access to an HOA common green or a private yard nearby, the pavilion timing rule stops applying.
City of Gaithersburg pavilion facts worth knowing
- Season: April through October only.
- Hours: AprilβAugust, 8 a.m. to 8 p.m. or dusk. SeptemberβOctober, 8 a.m. to 7 p.m. or dusk.
- Booking opens: October 1 for City residents, November 1 for non-residents β nearly a year ahead.
- First come, first served, with a security deposit and completed application required.
- Locations: Bohrer Park at Summit Hall Farm, 506 South Frederick Avenue; Griffith Park, 29 South Summit Avenue.
- Alcohol (beer and wine only) requires a permit, and is not allowed at Griffith Park at all.
Confirm all details with City of Gaithersburg Parks, Recreation & Culture at (301) 258-6350 before booking. Reserve the pavilion first, then send us your window and we will schedule delivery around it.
Bounce House Rentals for Gaithersburg Schools, Churches and HOAs
Gaithersburg runs on organised calendars as much as family ones, and institutional bookings need paperwork most residential rentals never touch. We supply certificates of insurance and current operator certifications as standard.
MCPS Field Days
Montgomery County Public Schools sites across the city, including Gaithersburg High School, Quince Orchard High School and Lakelands Park Middle School on Main Street. Obstacle courses and high-capacity bounce houses move large groups fastest. We issue COIs naming MCPS when required.
Church Events
Vacation Bible school, fall festivals and family days. Parking lots work with ballast anchoring, and fellowship halls work year round if ceiling height allows β send us the measurement.
HOA & Community Days
Kentlands and Lakelands both have active associations and shared greens, and Washingtonian Woods, Quince Orchard Park and Deer Park all host neighborhood days. Common greens usually give far more room than individual yards in these communities.
Fundraisers & Camps
Summer camps and fundraising events pair well with an obstacle course plus concessions. Ask about our school fundraising program.
Discounts are available for military families, nonprofits and returning customers. Tell us your guest count, surface, and whether you are indoors or out, and we will recommend a unit that fits.
Which Bounce House Suits Your Guests' Ages?
Mixing very different sizes in one unit is the most common cause of bumps at a party. Match the unit to the dominant age group, and add a second small unit if your list genuinely spans a decade.
Ages 1β4
Toddler Castle at $149, a ball pit, or a gaga pit. Low walls, gentle floors, clear sight lines for supervising adults. Skip full-height units.
Ages 5β9
The sweet spot for classic and combo units. A Castle Bounce House at $229 or a Tropical Combo with slide at $309 covers most Gaithersburg birthday parties.
Ages 10β15
The Disco Dome at $349 with lights and music, Sports Fusion at $569, or an obstacle course. This group wants competition and atmosphere over theming.
Mixed Ages
Pair a combo for older kids with a toddler activity for the little ones. Two smaller units beat one big one for a wide spread.
Areas We Serve Around Gaithersburg
Smiley Jump LLC delivers bounce house rentals throughout the City of Gaithersburg and the 20877, 20878 and 20879 ZIP codes. That covers Olde Towne, Kentlands, Lakelands, Washingtonian Woods, Quince Orchard Park, Deer Park, Diamond Farm, Summit Hall and the RIO Washingtonian Center area.
Neighbouring communities are also within our coverage, including Germantown, Rockville, North Potomac, Darnestown, Clarksburg and Montgomery Village. Montgomery Village has its own bounce house rental page if that is where your event actually is β the parks and permit process there run through the Montgomery Village Foundation rather than the City.
We operate from 23320 Ridge Road, Germantown, MD 20876, about 8 miles from Gaithersburg β our shortest delivery run of any service city. See our full service locations page for coverage across Maryland, Washington, DC and Northern Virginia.
Gaithersburg, Maryland
Serving the City of Gaithersburg (20877, 20878, 20879) and surrounding Montgomery County.
Where Gaithersburg Bounce House Setups Happen
Most Gaithersburg rentals go into residential yards and HOA common greens, but the City runs a genuinely useful set of rentable outdoor and indoor facilities. Outdoor pavilions must be reserved through City of Gaithersburg Parks, Recreation & Culture, and indoor facilities have their own booking process and ceiling limits.
Outdoor & City Pavilions
Schools & Indoor Facilities
Reserve the Pavilion Before the Inflatable
City pavilions rent in five-hour blocks that must include setup and cleanup, and the City's policy specifically says amusement preparation belongs inside your block. Our rental is also up to five hours. Book the pavilion first, buy extra time if you want a full five hours of bounce, then send us your window. Section 9 above explains the whole thing.
Frequently Asked Questions About Gaithersburg Bounce House Rentals
Direct answers to what Gaithersburg hosts ask most before booking.
How much does it cost to rent a bounce house in Gaithersburg, MD?
Smiley Jump bounce house rentals in Gaithersburg start at $149 for a toddler castle and $199 for a standard bounce house. Combo units with a slide start at $309, the Disco Dome is $349, and large obstacle courses run to $699. Every price includes delivery, setup and pickup, with no separate delivery fee for Gaithersburg addresses.
Why are your prices higher than some Gaithersburg quotes?
Because commercial insurance, SIOTO Advanced certification, and commercial-grade equipment cost money. The practical difference shows up when a school, HOA or the City asks for a certificate of insurance naming them as additional insured β we can issue one, and uninsured operators cannot. If your venue does not require documentation and price is the only factor, cheaper options exist. If it does, this is what compliant pricing looks like.
Can I put a bounce house at Bohrer Park or Griffith Park?
Yes, with a pavilion reservation from City of Gaithersburg Parks, Recreation & Culture. Reserve the pavilion first, because pavilions rent in five-hour blocks and the City requires setup and cleanup to fit inside your block β its policy explicitly includes amusement preparation in that. Then send us your window and we will schedule around it. Call the City at (301) 258-6350; we can supply a certificate of insurance naming the City.
Does the five-hour pavilion block give me five hours of bounce time?
No. Setup and takedown happen inside your reserved block, so a five-hour pavilion booking gives you roughly four hours of actual play. The City allows additional time to be purchased, which is the cleanest fix. Alternatively, schedule food first and tell guests the bounce house opens 30 to 45 minutes after your start time.
When can I reserve a City of Gaithersburg pavilion?
Reservations open October 1 for City residents and November 1 for non-residents, for the following April-to-October season. They are first come, first served and require a security deposit and completed application. Popular summer Saturdays at Bohrer Park go early, so if your date is fixed, reserve close to the opening date.
Will a bounce house fit in a Kentlands or Lakelands yard?
Often yes, but access is usually the limiting factor rather than yard size. Both neighborhoods were built on New Urbanist principles with houses close together and rear alley-loaded garages, so gates and side paths can be narrow. A rolled unit needs roughly four feet of clearance. The 13 x 13 castle at $199 is our usual recommendation there, and for larger units the neighborhood common green is often the better site.
Can a bounce house be set up indoors?
Yes. Bounce houses are dry units, so church halls, school gyms and City facilities like the Activity Center at Bohrer Park and Casey Community Center all work. Ceiling height is the constraint: most standard units need roughly 15 to 16 feet, while the 13 x 13 castle, toddler units, ball pits and gaga pits fit lower rooms. Indoors we anchor with ballast rather than stakes.
How long is the rental period?
The standard Smiley Jump rental window is up to five hours, and item pages show the available time per unit. Longer windows can sometimes be arranged β ask at booking rather than on event day.
How much space do I need?
Plan for the unit's footprint plus about five feet of clear space on every side, and check overhead clearance. Exact dimensions are on each item page. If you are unsure, send us your measurements and we will tell you what fits rather than guessing on the day.
Can you deliver on short notice in Gaithersburg?
More often here than anywhere else we serve. Our warehouse is about 8 miles away in Germantown, which is our shortest run of any service city, so Gaithersburg is where a last-minute request is most likely to work. Call (240) 593-2781 and ask β availability depends on the unit and the date, but the answer here is genuinely different from our Frederick or Arlington answer.
What happens if it rains on my event day?
Inflatables cannot operate safely in thunderstorms or sustained high wind. You can cancel free of charge before 7:00 AM on your event day for a full refund, so watch the forecast the night before rather than rebooking early. Full terms are on our policies page.
Are you licensed and insured, and can you provide a COI?
Yes. Smiley Jump LLC is licensed and insured in Maryland, and our operators hold SIOTO Advanced certification and IOA membership. Certificates of insurance naming Montgomery County Public Schools, your church, HOA, or the City of Gaithersburg as additional insured are available on request β ask early so we can prepare them before reservation deadlines.
Is my event in Gaithersburg or Montgomery Village?
Worth checking, because the permit process differs. Montgomery Village is a separate community whose parks and pavilions are managed by the Montgomery Village Foundation, not the City of Gaithersburg β though many Montgomery Village addresses use a Gaithersburg mailing address, which causes real confusion. If your event is there, see our Montgomery Village page.
More Than A Moon Bounce
Events with inflatables can have a long-lasting positive impact on children in many ways. Not only do they provide a fun and exciting experience, but they also encourage children to engage in physical activity and socialize with their peers.
Inflatable events allow children to challenge themselves, develop their motor skills, and build their confidence as they conquer obstacles and navigate through various attractions. Smiley Jump events offer a unique opportunity for children to learn, grow, and have fun.