1 Bedroom Apartments for Rent in O'Fallon, MO (31 Rentals)

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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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Bramblett Hills
1 Bedroom Apartments

Bramblett Hills

1000 Bramblett CrossingO'Fallon, MO 63366

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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Navigating the Rental Market: Tips for First-Time Renters

Entering the rental market? Learn these simple tips and strategies to avoid common pitfalls and make confident choices. Rent with peace of mind.

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St Peters Villa
1 Bedroom Apartments

St Peters Villa

300 Villa Circle DrSt. Peters, MO 63376
  • Utilities Included
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O'Fallon, MO Local Guide

O'Fallon 1 Bedroom Apartment Units with Current Availability by Neighborhood

Availability Confirmed As of: June 30, 2025

There are currently 203 available 1 Bedroom apartment units in O'Fallon, MO neighborhoods that range in price from $949 to $2,974. Heres is today's list of the top neighborhoods in O'Fallon with the most available 1 Bedroom apartments:

NeighborhoodAvailable UnitsMedian PriceMin Price
OFallon St Charles161$1,390$949
Tysons Corner40$1,423$949
Whispering Woods2$1,219$992

Largest Available O'Fallon 1 Bedroom Apartments

The largest available 1 Bedroom apartment unit in O'Fallon, MO is found at Harmony Ridge Apartments in the OFallon St Charles neighborhood and is 1,039 square feet priced from $1,535. The Jewel O'Fallon in the Whispering Woods neighborhood has the second largest 1 Bedroom, which is sized at 860 square feet and currently listed start at $1,411. Here is today’s list of the largest available 1 Bedroom units in O'Fallon:

Apartment ListingModel NameSquare FootagePriced From
Harmony Ridge Apartments1BD/1BA Loft-Monterey1,039 Sq Ft$1,535
The Jewel O'FallonSapphire860 Sq Ft$1,411
Bramblett HillsJASMINE860 Sq Ft$1,380
Synergy at the MeadowsFlow854 Sq Ft$1,721
Prairie PointThe Sunswept831 Sq Ft$1,290
Altair At The PreserveGreenbriar826 Sq Ft$1,390
The SullivanOne Bedroom809 Sq Ft$1,395
Enclave at Winghaven1B1b - Large805 Sq Ft$1,496
Preserve at Research ParkMarshwood792 Sq Ft$1,230
Timber ClubCedar761 Sq Ft$1,465

Cheapest Available O'Fallon 1 Bedroom Apartments

As of June 30, 2025 the lowest priced 1 Bedroom apartment unit in O'Fallon, MO is the Marshwood Model starting from $1,230 at Preserve at Research Park in the Tysons Corner neighborhood. The second most affordable O'Fallon 1 Bedroom is the Element Model at Synergy at the Meadows starting at $1,261 in the Carlton Glen Estates neighborhood. The average price for all 1 Bedroom apartments in O'Fallon is currently $1,444. Here is today’s list of the cheapest available 1 Bedroom options in O'Fallon:

Apartment ListingModel NamePriced From
Preserve at Research ParkMarshwood$1,230
Synergy at the MeadowsElement$1,261
Enclave at Winghaven1B1b - Small$1,290
Prairie PointThe Sunswept$1,290
The Prairie Luxury ApartmentsOne Bedroom$1,335
Timber ClubMaple$1,350
Bramblett HillsJASMINE$1,380
Altair At The PreserveGreenbriar$1,390
The SullivanOne Bedroom$1,395
The Jewel O'FallonSapphire$1,411

Quick Rent Budget Calculator

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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.

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Pet Friendly Lifestyle
O'Fallon, MO

Ranked #268

Among cities in Missouri for Apartment listings with Pet Friendly Amenities

Pet Friendliness Lifestyle Score

2.5
Pet Friendly

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Best Local Schools in
O'Fallon, MO

School data provided by Great Schools

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

Explore O'Fallon, MO Rentals by Map

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See the most popular apartments and homes in O'Fallon, MO

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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

What Are Walk Score®, Transit Score®, and Bike Score® Ratings?

  • Walk Score® measures the walkability of any address.
  • Transit Score® measures access to public transit.
  • Bike Score® measures the bikeability of any address.

Frequently Asked Questions about 1 Bedroom O'Fallon Apartments

How much is the average rent for a 1 Bedroom O'Fallon Apartment?

The average rent for a 1 Bedroom Apartment in O'Fallon is $1,444.

What is the largest available 1 Bedroom O'Fallon Apartment for rent?

Today's apartment with the most square footage in O'Fallon is a 1,039 square feet unit starting from $1,535 at Harmony Ridge Apartments.

What is the average size for O'Fallon 1 Bedroom Apartments for rent?

The average size for a 1 Bedroom rental in O'Fallon is currently 744 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.

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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.

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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.

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Know Your Budget: Calculating What You Can Realistically Afford When Renting

Written by: Lauren Harrington

Renting an apartment or house isn’t just about looking through online ads, choosing a few apartments or homes you want to tour, filling out an application, and putting down a deposit. Those things are all necessary and important.

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The Freedom of Short-Term Leases: Exploring the Advantages for Renters

Written by: Bobbi Jackson

If you’re looking to relocate right now, a popular solution that may best fit your current rental needs is a short-term lease.