3 Bedroom Apartments for Rent in Lake St. Louis, MO (44 Rentals)

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Practical Tips for Renters: How to Identify a Great Rental and Avoid Red Flags

Looking for the perfect new rental? Learn great ways to spot the perfect apartment for you, identify common red flags, and avoid rental issues and scams with these expert provided actionable tips.

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Windsor Park
3 Bedroom Apartments

Windsor Park

100 Freymuth RdLake St. Louis, MO 63367

Renters Insurance 101: What It Is, What It Covers, and Why You Need It

From theft to fire to water damage, the unexpected can happen to any renter. Discover why renters insurance is one of the smartest and most affordable investments you can make as a tenant.

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How I Find the Perfect Rental for My Clients: A Real Estate Pro's Guide

Finding the right apartment starts with three things: location, cost, and amenities. Get the insider perspective from a real estate professional on how to nail all three.

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Renting with Roommates: Realistic Expectations for Shared Lease

Sharing a lease? Learn how to set clear expectations with your roommates on routines, bills, and cleaning to ensure a successful and peaceful shared living arrangement.

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Roommate Matching: Finding the Right Fit and Avoiding Pitfalls

When searching for a roommate, follow this list of essential steps and set clear expectations to create a solid foundation for a harmonious living situation.

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Inverness
3 Bedroom Apartments

Inverness

100 Royal Inverness PkyDardenne Prairie, MO 63368
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Pin Oak Pointe
3 Bedroom Apartments

Pin Oak Pointe

8001 Oakhaven DrO'Fallon, MO 63368
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Lake St. Louis, MO Local Guide

Lake St. Louis 3 Bedroom Apartment Units with Current Availability by Neighborhood

Availability Confirmed As of: August 29, 2026

There are currently 62 available 3 Bedroom apartment units in Lake St. Louis, MO neighborhoods that range in price from $1,660 to $2,875. Heres is today's list of the top neighborhoods in Lake St. Louis with the most available 3 Bedroom apartments:

NeighborhoodAvailable UnitsMedian PriceMin Price
Lake Saint Louis21$2,695$1,780
Preston Woods21$2,647$1,660
Crimson Oaks20$2,725$1,825

Largest Available Lake St. Louis 3 Bedroom Apartments

The largest available 3 Bedroom apartment unit in Lake St. Louis, MO is found at The Willows in the Wentzville neighborhood and is 1,667 square feet priced from $2,725. Montage at Hawk Ridge in the Lake St. Louis neighborhood has the second largest 3 Bedroom, which is sized at 1,603 square feet and currently listed start at $2,550. Here is today’s list of the largest available 3 Bedroom units in Lake St. Louis:

Apartment ListingModel NameSquare FootagePriced From
The WillowsAspen1,667 Sq Ft$2,725
Montage at Hawk RidgeThe Grand Montage1,603 Sq Ft$2,550
Creekside LandingVail III1,519 Sq Ft$2,575
The Waterways of Lake Saint Louis ApartmentsWaterside1,350 Sq Ft$1,780
O'Fallon Lakes ApartmentsThe Carlyle1,157 Sq Ft$1,475

Cheapest Available Lake St. Louis 3 Bedroom Apartments

As of August 29, 2026 the lowest priced 3 Bedroom apartment unit in Lake St. Louis, MO is the The Carlyle Model starting from $1,475 at O'Fallon Lakes Apartments in the Whispering Woods neighborhood. The second most affordable Lake St. Louis 3 Bedroom is the Waterside Model at The Waterways of Lake Saint Louis Apartments starting at $1,780 in the Lake St. Louis neighborhood. The average price for all 3 Bedroom apartments in Lake St. Louis is currently $2,486. Here is today’s list of the cheapest available 3 Bedroom options in Lake St. Louis:

Apartment ListingModel NamePriced From
O'Fallon Lakes ApartmentsThe Carlyle$1,475
The Waterways of Lake Saint Louis ApartmentsWaterside$1,780
Montage at Hawk RidgeThe Grand Montage$2,550
Creekside LandingVail III$2,575
The WillowsVail$2,725

Real Estate and Rental Term Glossary | ApartmentHomeLiving.com Renter University

From the letter A all the way to the letter Z, the Real Estate and Rental Term Glossary from the content team at ApartmentHomeLiving.com provides our visitors and shoppers with a little clarity and helpful guidance in navigating the real estate world through definitions and explainers for the top subjects and terms that someone may come across during the leasing, buying, or selling process.

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Remember the 3 Rules of Real Estate:
Location, Location, Location!

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Frequently Asked Questions about 3 Bedroom Lake St. Louis Apartments

What is the Cheapest apartment in Lake St. Louis with 3 Bedroom?

Currently the most affordable 3 Bedroom in Lake St. Louis is at O'Fallon Lakes Apartments listed at $1,475.

How much is the average rent for a 3 Bedroom Lake St. Louis Apartment?

The average rent for a 3 Bedroom Apartment in Lake St. Louis is $2,486.

What is the largest available 3 Bedroom Lake St. Louis Apartment for rent?

Today's apartment with the most square footage in Lake St. Louis is a 1,667 square feet unit starting from $2,725 at The Willows.

What is the average size for Lake St. Louis 3 Bedroom Apartments for rent?

The average size for a 3 Bedroom rental in Lake St. Louis is currently 1,623 sq ft.

Expert Rental Resources

The rental experts at ApartmentHomeLiving.com provide you with top advice, tools, and tips for understanding the leasing process and finding the perfect rental. Here are a few helpful rental and leasing articles from our experts to guide you on your search.

Articles, How-To's, and Tips

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Practical Tips for Renters: How to Identify a Great Rental and Avoid Red Flags

Written by: Robin Stewart

Renters want to find a great apartment, the right place for them, one that checks all the boxes of location, rental cost, amenities, safety, and more.

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First Apartment Regrets: Real Renters Share What They'd Do Differently

Written by: Robin Stewart

Hindsight is 20/20. Live and Learn. With age comes wisdom. We’re familiar with all those expressions, and all of them apply to lessons first-time renters learn.

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Renters Insurance 101: What It Is, What It Covers, and Why You Need It

Written by: Robin Stewart

Insurance seems to be a part of life. In some states, having insurance is the law, as is the case for automobile insurance. Renters are no exception.

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Apartment Occupancy Rates: Renter Attraction vs Renter Retention

Written by: Robin Stewart

There’s a tenet in marketing about client or customer attraction and retention. Studies and data have consistently shown it costs less to keep a current customer than to attract a new one.