3 Bedroom Apartments for Rent in O'Fallon, MO (58 Rentals)

How Many Bedrooms?Done
Select your price rangeDone
Lifestyle Matching SearchDone
By AmenitiesDone
By Community TypeDone
Features and AvailabilityDone
Done
close
View Me
Pin Oak Parc
3 Bedroom Apartments

Pin Oak Parc

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

Bramblett Hills

1000 Bramblett CrossingO'Fallon, MO 63366

O'Fallon, MO Local Guide

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

Availability Confirmed As of: August 04, 2025

There are currently 19 available 3 Bedroom apartment units in O'Fallon, MO neighborhoods that range in price from $1,302 to $5,327. 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 Charles12$2,170$1,302
Tysons Corner6$2,219$1,302
Whispering Woods1$1,880$1,750

Largest Available O'Fallon 3 Bedroom Apartments

The largest available 3 Bedroom apartment unit in O'Fallon, MO is found at Avenue64 Apartments in the Tysons Corner neighborhood and is 1,457 square feet priced from $2,761. Altair At The Preserve has the second largest 3 Bedroom, which is sized at 1,295 square feet and currently listed start at $2,176. Here is today’s list of the largest available 3 Bedroom units in O'Fallon:

Apartment ListingModel NameSquare FootagePriced From
Avenue64 ApartmentsC1a1,457 Sq Ft$2,761
Altair At The PreserveWestborough1,295 Sq Ft$2,176
Aventura at RichmondC11,271 Sq Ft$1,750
CitrineSunrise1,249 Sq Ft$2,186
Harmony Ridge Apartments3 BD/2BA Townscape-Timberbrook1,232 Sq Ft$1,975
The Jewel O'FallonPearl1,225 Sq Ft$1,936
O'Fallon Lakes ApartmentsThe Carlyle1,157 Sq Ft$1,475

Cheapest Available O'Fallon 3 Bedroom Apartments

As of August 04, 2025 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 C1 Model at Aventura at Richmond starting at $1,750 . The average price for all 3 Bedroom apartments in O'Fallon is currently $2,222. 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
Aventura at RichmondC1$1,750
The Jewel O'FallonPearl$1,936
Harmony Ridge Apartments3 BD/2BA Townscape-Timberbrook$1,975
Altair At The PreserveWestborough$2,176
CitrineSunrise$2,186
Avenue64 ApartmentsC1a$2,761

Quick Rent Budget Calculator

How much rent can you afford?

The common "Rule of Thumb" is that rent should be no more than 30% of your income. How much is that? Enter your monthly income and click "Calculate My Budget" to find out.

decorative image of people with a giant lease agreement

Pet Friendly Lifestyle
O'Fallon, MO

Ranked #285

Among cities in Missouri for Apartment listings with Pet Friendly Amenities.

Pet Friendliness Lifestyle Score

2.5
Pet Friendly

decorative image of woman handing cat to small boy

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

Explore O'Fallon, MO Rentals by Map

View Map
O'Fallon, MO Apartments Map
View Map
O'Fallon, MO Rental Homes Map

Getting Around O'Fallon, MO

Walk Score®

35 / 100

Car-Dependent

Most errands require a car

Bike Score®

32 / 100

Somewhat Bikeable

Minimal bike infrastructure

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 $2,222.

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 1,457 square feet unit starting from $2,761 at Avenue64 Apartments.

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 1,634 sq ft.

Expert Rental Resources

Helpful Apartment Articles, How-To's and Tips

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.

decorative image for The Ultimate Long-Distance Moving Checklist: Tips from a Real Estate Pro article

The Ultimate Long-Distance Moving Checklist: Tips from a Real Estate Pro

Written by: Christine Leonard, Esq.

Hard truth. Moving is never easy. I’ve done it all – from local moves to cross-country relocations From packing to unpacking the last box, I have found moving to be an exhausting, expensive and stressful experience every time.

decorative image for Cash or credit? Understanding the Importance of Credit Score in Real Estate and Renting article

Cash or credit? Understanding the Importance of Credit Score in Real Estate and Renting

Written by: Christine Leonard, Esq.

Throughout the day, think about all the times that you have to pay for something. So many of us reach automatically for a credit card or even our phone for a quick payment.

decorative image for Roommate Matching: Finding the Right Fit and Avoiding Pitfalls article

Roommate Matching: Finding the Right Fit and Avoiding Pitfalls

Written by: Cheryl Bowman

A fantastic way to save money and enjoy a built-in community is to share an apartment. However, a bad roommate situation can turn your dream rental into a nightmare.

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

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

Written by: Marie Brown

You’ve scrolled through countless listings, walked through a blur of rentals, and finally found what feels like the one. The pictures? Fantastic. The neighborhood seems just right.