Bounce House Rentals in Lake St. Louis, MO

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 and some of the highest household incomes in the region. 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.

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 that keep everything running all day. 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, playgrounds, and picnic pavilions across roughly 20 acres. 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. If you're planning a park event, 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. Lake St. Louis sits right along the I-70/I-64 corridor in the heart of western St. Charles County's growth zone. We also deliver to nearby Wentzville, O'Fallon, Dardenne Prairie, St. Peters, Warrenton, Troy, and communities throughout St. Charles, Warren, and Lincoln counties.