3 Bedroom Apartments for Rent in O'Fallon, MO (46 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 Parc
3 Bedroom Apartments

Pin Oak Parc

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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property at 11 Deer Grove Dr

$1,950

Total Monthly Price

Total Monthly Price

Base Rent
$1,950
Total Monthly Price
$1,950

3 Bedroom, 2 Bath Townhome for Rent

Available Now

11 Deer Grove Dr

St. PetersMO63376

The Art of the Rental Viewing: What to look for during a property tour

Touring a rental? This guide helps you know exactly what to look for, from safety features to hidden flaws, so you can confidently sign your lease or keep searching.

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Village Point
3 Bedroom Apartments

Village Point

135 Rhythm Point DrSt. Peters, MO 63376
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Inverness
3 Bedroom Apartments

Inverness

100 Royal Inverness PkyDardenne Prairie, MO 63368

Smart Renter's Guide: Calculating Affordable Rent & Housing Costs

Wondering how to determine your rental budget? This comprehensive guide covers everything from the 30% rule to hidden fees and effective budgeting strategies.

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Windsor Park
3 Bedroom Apartments

Windsor Park

100 Freymuth RdLake St. Louis, MO 63367
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O'Fallon, MO Local Guide

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

Availability Confirmed As of: May 21, 2026

There are currently 57 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 Charles37$2,300$1,582
Tysons Corner16$2,268$1,582
Whispering Woods4$1,908$1,660

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 Tysons Corner neighborhood and is 1,680 square feet priced from $2,600. The Willows in the Crimson Oaks 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$2,800
Avenue64 ApartmentsC11,446 Sq Ft$2,300
The Waterways of Lake Saint Louis ApartmentsWaterside1,350 Sq Ft$1,780
Altair At The PreserveWestborough1,295 Sq Ft$2,208
Aventura at Hawk RidgeC11,271 Sq Ft$1,825
Citrine ApartmentsSunrise1,249 Sq Ft$2,229
Prairie Encore3B/2B - 4th Floor1,118 Sq Ft$2,550

Cheapest Available O'Fallon 3 Bedroom Apartments

As of May 21, 2026 the lowest priced 3 Bedroom apartment unit in O'Fallon, MO is the Waterside Model starting from $1,780 at The Waterways of Lake Saint Louis Apartments in the Whispering Woods neighborhood. The second most affordable O'Fallon 3 Bedroom is the C1 Model at Aventura at Hawk Ridge starting at $1,825 in the Carlton Glen Estates neighborhood. The average price for all 3 Bedroom apartments in O'Fallon is currently $2,399. Here is today’s list of the cheapest available 3 Bedroom options in O'Fallon:

Apartment ListingModel NamePriced From
The Waterways of Lake Saint Louis ApartmentsWaterside$1,780
Aventura at Hawk RidgeC1$1,825
Altair At The PreserveWestborough$2,208
Citrine ApartmentsSunrise$2,229
Avenue64 ApartmentsC1$2,300
Prairie Encore3B/2B - 2nd Floor$2,550
Creekside LandingAspen II with 2nd Floor Bay$2,600
The WillowsAspen$2,725
Montage at Hawk RidgeThe Grand Montage$2,800

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

Remember the 3 Rules of Real Estate:
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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 $2,399.

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 1,414 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.

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