Lake St. Louis Bounce Houses & Water Slides | Backyard Party Rentals
🎉 Serving Lake St. Louis · Wentzville R-IV Schools · Since 2019

Bounce House Rentals in Lake St. Louis, MO

Professional delivery and setup on bounce houses, water slides, obstacle courses, and party equipment — delivered to Lake St. Louis backyards, Wentzville R-IV schools, community events, and parks from our headquarters in nearby Wright City.

⭐ 5.0 Google Rating (311+ Reviews) 🛡 Fully Insured · COI Available 🧻 Sanitized Before Every Rental ⛅ Weather Reschedule Policy

📍 Delivering to Lake St. Louis (63367) & all of St. Charles County · ~10 min from our Wright City HQ · Delivery fee calculated at checkout

 
✓ Cleaned & Sanitized
⭐ 311+ Five-Star Reviews
🛡 Fully Licensed & Insured
🚚 Delivery & Setup Included
📅 Book Online 24/7

Party Rentals Available in Lake St. Louis, Missouri

Every rental includes professional delivery, setup, and pickup — you just enjoy the party.

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Complete Your Lake St. Louis Party

Add the finishing touches that take your event from fun to unforgettable.

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5.0★
Google Rating (311+ Reviews)
50+
Inflatables in Our Fleet
~10 min
From Wright City to Lake St. Louis
100%
Cleaned Before Every Rental
Backyard Party Rentals LLC bounce house delivered to Lake St. Louis Missouri
Est.
2019
Wright City, MO
Your Neighbors · Family-Owned & Local

Lake St. Louis’ Go-To Bounce House & Party Rental Company

Backyard Party Rentals is based in Wright City — just 10 minutes from Lake St. Louis. We’re not a metro STL company reaching west. We’re your neighbors in St. Charles County, and we’ve been delivering bounce houses, water slides, and party equipment to Lake St. Louis families, schools, and community events since 2019.

Lake St. Louis is one of St. Charles County’s most desirable communities — population 19,000+ and growing fast, centered around a beautiful 600-acre lake, with over 90 acres of city parkland. Whether you’re hosting a birthday party lakeside, running a field day at Wentzville R-IV schools like Duello Elementary or Green Tree Elementary, or setting up for a community event at Founders Park, we’ve got you covered.

Professional Delivery & Setup — we handle all the heavy lifting so you can focus on the party.
Every unit deep-cleaned & sanitized before it arrives at your event. Bounce floors, slides, handles — all of it.
Fully insured with COI available — Wentzville R-IV schools, churches, and parks can request a Certificate of Insurance at no charge.
311+ five-star Google reviews — not a single 1, 2, 3, or 4-star review. Lake St. Louis families trust us for a reason.
Read Our Full Story →

Why Lake St. Louis Families Choose Backyard Party Rentals

We’re just down the road in Wright City. Here’s what makes us different from every other rental company serving St. Charles County.

🧻

Cleaned & Sanitized — Every Single Time

Every inflatable is deep-cleaned and sanitized before each rental using commercial-grade products. Bounce floors, slides, stairs, handles, and netting. No exceptions, no shortcuts.

Every rental, every time
🚚

Delivery, Setup & Pickup Included

Our crew delivers to Lake St. Louis on time, sets everything up, walks you through safety guidelines, and comes back to take it all down. No surprise charges on delivery day.

Included with every rental
🛡

Fully Licensed & Insured

We carry full liability insurance and provide Certificates of Insurance for Wentzville R-IV schools, Lake St. Louis churches, city parks, and any venue requiring documentation. Just ask — it’s free.

COI available at no charge
📅

Book Online in Under 5 Minutes

Browse real inventory, check live availability for your date, and reserve 24/7 without calling anyone. You’ll see the complete total — including delivery to Lake St. Louis — before you pay.

No hidden fees. Ever.

Hassle-Free Weather Reschedule Policy

Missouri weather can turn on a dime. If rain threatens your Lake St. Louis event, reach out the night before and we’ll move your rental at no charge. Zero risk, zero stress.

Zero-risk booking
📍

10 Minutes From Your Door

Our Wright City headquarters is a quick drive to anywhere in Lake St. Louis. We’re not stretching across the metro — St. Charles County is our home turf.

Locally owned since 2019

Events We Deliver to in Lake St. Louis, MO

From lakeside birthday parties to school field days at Duello Elementary — we’ve got the right rental for every Lake St. Louis occasion.

🎉

Lake St. Louis Birthday Parties

Lake St. Louis has some of the most spacious yards in St. Charles County — perfect for our biggest combo bouncers and water slides. Let the kids burn energy for hours while you enjoy the party.

Backyard birthdaysLakeside partiesAny age
🏫

Wentzville R-IV School Events

Lake St. Louis is served by the Wentzville R-IV School District — 18,000+ students across 22 schools. We deliver to Duello Elementary, Green Tree Elementary, and Frontier Middle School for field days, PTO carnivals, and end-of-year celebrations. Full insurance and COI provided.

Field daysCarnivalsCOI provided

Lake St. Louis Church & Community Events

VBS, fall festivals, trunk-or-treat, and community gatherings at Lake St. Louis congregations including Family Church, First Baptist, Chapel of the Lake, and Church of the Transfiguration.

VBS eventsFall festivalsTrunk-or-treat
🏞

Lake St. Louis Parks & Outdoor Events

Planning a party at Founders Park, Boulevard Park, Hawk Ridge Park, Veterans Memorial Park, or Deer Ridge Park? Lake St. Louis maintains over 90 acres of parkland. We deliver, stake securely, and handle teardown.

Founders ParkBoulevard ParkHawk Ridge
🏢

Corporate & Community Association Events

Employee picnics, company outings, HOA block parties, and Lake St. Louis Community Association events. We can scale to any size gathering.

Company picnicsHOA eventsLSLCA events
🎓

Graduations & Milestone Events

Liberty High School and Holt High School graduations, gender reveals, family reunions, and milestone birthdays. If you’re gathering people together in Lake St. Louis, we can help make it unforgettable.

GraduationsReunionsMilestone birthdays

What Lake St. Louis & St. Charles County Families Are Saying

Every review is from a real customer in our community. This is what 5-star service looks like.

5.0
★★★★★
Perfect Google Rating
311+ verified Google reviews from real customers
Families, schools & businesses across St. Charles County
Just 10 minutes from Lake St. Louis in Wright City
Not a single 1, 2, 3, or 4-star review
 
 
Planning a Party in Lake St. Louis?

What You Need to Know About Renting Inflatables in Lake St. Louis, MO

Lake St. Louis yards and neighborhoods: Lake St. Louis is known for spacious lots and well-maintained neighborhoods — many with flat, grassy yards that are perfect for our biggest combo bouncers, water slides, and even obstacle courses. Grass is our first choice for setup, and we anchor with ground stakes for a secure hold. Each inflatable needs one standard 110v outdoor outlet within about 50 feet. No nearby outlet? We rent generators. We also set up on driveways, patios, and concrete surfaces using sandbags.

Wentzville R-IV School District: Lake St. Louis is served entirely by the Wentzville R-IV School District — one of the largest and highest-rated districts in Missouri with 18,000+ students across 22 schools. Lake St. Louis is home to Duello Elementary and Green Tree Elementary, with Frontier Middle School and Liberty High School serving older students in the area. We deliver inflatables across the entire district for field days, PTO carnivals, and end-of-year celebrations. Full liability insurance and COI provided at no charge.

Lake St. Louis parks — 90+ acres: The City of Lake Saint Louis maintains five parks across over 90 acres. Founders Park Sports Complex features 6 baseball fields, 2 soccer fields, playgrounds, and a pavilion. Boulevard Park has an amphitheater, athletic fields, and picnic pavilions. Hawk Ridge Park is home to Zachary’s all-inclusive Playground and a seasonal splash pad. Veterans Memorial Park and Deer Ridge Park round out the system. Check with Lake Saint Louis Parks & Recreation about field or pavilion reservations — we’ll provide our COI and any documentation they need.

Lake St. Louis Community Association: The Lake St. Louis Community Association (LSLCA) serves over 8,600 residents with access to the 600-acre lake, a golf course, the Lakeside Restaurant & Bar, swimming pool, and year-round community events. If you’re hosting an LSLCA event or a lakeside gathering, we can deliver inflatables and party equipment to your location.

Getting to Lake St. Louis from Wright City: Our headquarters at 141 Auburn Dr in Wright City is approximately 10 minutes from Lake St. Louis — a quick drive down I-70. We also deliver to nearby Wentzville, O’Fallon, Dardenne Prairie, St. Peters, Warrenton, Troy, and communities throughout St. Charles, Warren, and Lincoln counties.

Questions About Renting a Bounce House in Lake St. Louis?

We’ve answered the most common ones below. Still need help? Amanda picks up the phone.

Yes. We deliver bounce houses, water slides, obstacle courses, tents, and all party rental equipment to Lake St. Louis (63367) and throughout St. Charles County. Our Wright City headquarters is just 10–15 minutes from Lake St. Louis. Delivery fee is calculated at checkout based on your address.

We recommend booking 2 to 4 weeks ahead for spring and summer weekends. Water slides and wet combos book out fastest. If you see your date available, lock it in — popular weekends fill up quickly.

Absolutely. We carry full liability insurance and provide Certificates of Insurance (COI) at no charge. We serve Wentzville R-IV schools in the Lake St. Louis area including Duello Elementary and Green Tree Elementary, as well as churches, community associations, and corporate venues throughout the city.

Yes. We deliver to Lake St. Louis city parks including Founders Park Sports Complex, Boulevard Park, Hawk Ridge Park, Veterans Memorial Park, and Deer Ridge Park. Some events may require reservations through the City of Lake Saint Louis Parks & Recreation — we’ll provide our COI and any documentation they need.

We offer a hassle-free weather reschedule policy. If bad weather threatens your event, reach out the night before and we’ll move your rental to a new date at no charge. We never penalize you for the weather.

Every single time — no exceptions. Every inflatable is thoroughly cleaned and sanitized before each rental using commercial-grade sanitizing products. Bounce floors, slides, stairs, handles, and entrance flaps. As parents of three ourselves, we wouldn’t have it any other way.

Beyond Lake St. Louis, we deliver to Wentzville, O’Fallon, Dardenne Prairie, St. Peters, Wright City, Warrenton, Troy, and communities throughout St. Charles, Warren, and Lincoln counties.

Backyard Party Rentals LLC
Bounce House Rentals · Delivering to Lake St. Louis, MO
★★★★★5.0 on Google · 311+ Reviews
🚚
Delivery to Lake St. Louis
~10 min from Wright City HQ · St. Charles County
📞
Phone / Text
(636) 698-2542
🕐
Hours
Monday–Sunday: 8am–9:30pm
🚛 Check if we deliver to your Lake St. Louis ZIP code:
Check Availability & Book Online →
⚡ Lake St. Louis Weekends Fill Up Fast — Book Early

Ready to Book Your Bounce House Rental in Lake St. Louis?

Browse our full inventory, pick your date, and book online in minutes. Delivery, setup, and pickup to Lake St. Louis are all handled for you — we take care of every detail so you can just enjoy your party.

✓ Delivery & setup included ✓ No hidden fees ✓ Weather reschedule policy ✓ 5.0 Google Rating (311+ Reviews)

Our bounce house rentals in Lake St. Louis, MO serve birthday parties, Wentzville R-IV school field days, church festivals, LSLCA events, Founders Park gatherings, and community events throughout Lake St. Louis (63367) and St. Charles County. Backyard Party Rentals LLC, family-owned and headquartered in Wright City since 2019, provides water slide rentals, obstacle course rentals, combo bouncer rentals, inflatable game rentals, tent rentals, concessions, tables, chairs, and a mobile stage — with professional delivery, setup, and pickup included. We serve Lake St. Louis, Wentzville, O'Fallon, St. Peters, Cottleville, Dardenne Prairie, St. Charles, Wright City, Warrenton, Troy, New Melle, Defiance, and communities throughout St. Charles, Warren, and Lincoln counties.

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