3 Bedroom Apartments for Rent in O'Fallon, MO (62 Rentals)

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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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Pin Oak Pointe
3 Bedroom Apartments

Pin Oak Pointe

8001 Oakhaven DrO'Fallon, MO 63368
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Bramblett Hills
3 Bedroom Apartments

Bramblett Hills

1000 Bramblett CrossingO'Fallon, MO 63366
Corporate Housing

Renting Smart: Lease Basics Every Renter Needs

Demystify Your Rental Lease. Learn the basics about renting, deposits, and tenant/landlord responsibilities. Rent smart and avoid surprises. | Renter University at ApartmentHomeLiving.com

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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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property at 25 Steeplechase Dr

$1,795

Total Monthly Price

Total Monthly Price

Base Rent
$1,795
Total Monthly Price
$1,795

3 Bedroom, 1 Bath Home for Rent

Available Now

25 Steeplechase Dr

St. PetersMO63376
property at 256 Countryshire Dr

$2,100

Total Monthly Price

Total Monthly Price

Base Rent
$2,100
Total Monthly Price
$2,100

3 Bedroom, 2.5 Bath Townhome for Rent

Available Now

256 Countryshire Dr

Lake St. LouisMO63367

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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Showing Results 1-50, Page 1 of 2

O'Fallon, MO Local Guide

O'Fallon 3 Bedroom Apartment Units with Current Availability by Neighborhood

Availability Confirmed As of: July 06, 2026

There are currently 35 available 3 Bedroom apartment units in O'Fallon, MO neighborhoods that range in price from $1,582 to $2,875. Heres is today's list of the top neighborhoods in O'Fallon with the most available 3 Bedroom apartments:

NeighborhoodAvailable UnitsMedian PriceMin Price
OFallon St Charles23$2,575$1,582
Tysons Corner8$2,320$1,582
Whispering Woods4$1,916$1,680

Largest Available O'Fallon 3 Bedroom Apartments

The largest available 3 Bedroom apartment unit in O'Fallon, MO is found at Creekside Landing in the Lake St. Louis neighborhood and is 1,680 square feet priced from $2,600. The Willows in the Wentzville neighborhood has the second largest 3 Bedroom, which is sized at 1,667 square feet and currently listed start at $2,725. Here is today’s list of the largest available 3 Bedroom units in O'Fallon:

Apartment ListingModel NameSquare FootagePriced From
Creekside LandingAspen II with 2nd Floor Bay1,680 Sq Ft$2,600
The WillowsAspen1,667 Sq Ft$2,725
Montage at Hawk RidgeThe Grand Montage1,603 Sq Ft$2,695
The Waterways of Lake Saint Louis ApartmentsWaterside1,350 Sq Ft$1,680
Altair at the PreserveWestborough1,295 Sq Ft$2,295
Vinings of O'FallonThe Marlstone1,288 Sq Ft$1,660
O'Fallon Lakes ApartmentsThe Carlyle1,157 Sq Ft$1,475
Prairie Encore3B/2B - 4th Floor1,118 Sq Ft$2,550

Cheapest Available O'Fallon 3 Bedroom Apartments

As of July 06, 2026 the lowest priced 3 Bedroom apartment unit in O'Fallon, MO is the The Carlyle Model starting from $1,475 at O'Fallon Lakes Apartments in the Whispering Woods neighborhood. The second most affordable O'Fallon 3 Bedroom is the The Marlstone Model at Vinings of O'Fallon starting at $1,660 . The average price for all 3 Bedroom apartments in O'Fallon is currently $2,445. Here is today’s list of the cheapest available 3 Bedroom options in O'Fallon:

Apartment ListingModel NamePriced From
O'Fallon Lakes ApartmentsThe Carlyle$1,475
Vinings of O'FallonThe Marlstone$1,660
The Waterways of Lake Saint Louis ApartmentsWaterside$1,680
Altair at the PreserveWestborough$2,295
Prairie Encore3B/2B - 2nd Floor$2,550
Creekside LandingAspen II with 2nd Floor Bay$2,600
Montage at Hawk RidgeThe Grand Montage$2,695
The WillowsAspen$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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O'Fallon, MO
Population: 88,472

Ranked #376

in US Census Population by City

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Best Local Schools in
O'Fallon, MO

School data provided by Great Schools

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Frequently Asked Questions about 3 Bedroom O'Fallon Apartments

How much is the average rent for a 3 Bedroom O'Fallon Apartment?

The average rent for a 3 Bedroom Apartment in O'Fallon is $2,445.

What is the largest available 3 Bedroom O'Fallon Apartment for rent?

Today's apartment with the most square footage in O'Fallon is a 1,680 square feet unit starting from $2,600 at Creekside Landing.

What is the average size for O'Fallon 3 Bedroom Apartments for rent?

The average size for a 3 Bedroom rental in O'Fallon is currently 1,559 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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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.

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

Written by: Robin Stewart

Evaluating rental properties for clients draws many parallels to house-hunting. Whether an apartment, loft, townhouse, or other rental, finding the right place means finding “home” for your client.

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Pet-Friendly Renting: Everything You Need to Know Before You Move

Written by: Christine Leonard, Esq.

For so many of us, pets are the best companions and a big part of our lives. For this reason, a pet-friendly house or apartment is often a very important - and nonnegotiable - part of a move.