1 Bedroom Apartments for Rent in O'Fallon, MO (32 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
Corporate Housing

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
Showing Results 1-32, Page 1 of 1

O'Fallon, MO Local Guide

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

Availability Confirmed As of: April 10, 2026

There are currently 370 available 1 Bedroom apartment units in O'Fallon, MO neighborhoods that range in price from $950 to $1,778. 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 Charles174$1,478$950
Tysons Corner108$1,475$1,111
Whispering Woods88$1,475$950

Largest Available O'Fallon 1 Bedroom Apartments

The largest available 1 Bedroom apartment unit in O'Fallon, MO is found at Avenue64 Apartments in the Tysons Corner neighborhood and is 1,045 square feet priced from $1,707. Harmony Ridge Apartments in the OFallon St Charles neighborhood has the second largest 1 Bedroom, which is sized at 1,039 square feet and currently listed start at $1,560. Here is today’s list of the largest available 1 Bedroom units in O'Fallon:

Apartment ListingModel NameSquare FootagePriced From
Avenue64 ApartmentsA21,045 Sq Ft$1,707
Harmony Ridge Apartments1BD/1BA Loft-Monterey1,039 Sq Ft$1,560
Hearthstone at Autumn Hollow2B/2B - 1st Floor - Lake View1,000 Sq Ft$1,680
The Jewel O'FallonRuby950 Sq Ft$1,309
The Waterways of Lake Saint Louis ApartmentsBrookside895 Sq Ft$1,350
Timber ClubPine882 Sq Ft$1,745
Bramblett HillsJASMINE860 Sq Ft$1,450
Aventura at RichmondA1841 Sq Ft$1,340
Prairie PointThe Sunswept831 Sq FtCall for Rates
Altair At The PreserveGreenbriar826 Sq Ft$1,471

Cheapest Available O'Fallon 1 Bedroom Apartments

As of April 10, 2026 the lowest priced 1 Bedroom apartment unit in O'Fallon, MO is the 1BR/1.0BA Model starting from $995 at Amber Court Apartments in the Whispering Woods neighborhood. The second most affordable O'Fallon 1 Bedroom is the 1 Bedroom / Phase 4 Model at Casalon Parkway Apartments starting at $1,030 . The average price for all 1 Bedroom apartments in O'Fallon is currently $1,476. Here is today’s list of the cheapest available 1 Bedroom options in O'Fallon:

Apartment ListingModel NamePriced From
Amber Court Apartments1BR/1.0BA$995
Casalon Parkway Apartments1 Bedroom / Phase 4$1,030
O'Fallon Lakes ApartmentsThe Adler$1,082
Preserve at Research ParkManderly$1,259
The Jewel O'FallonRuby$1,289
Hearthstone at Autumn Hollow1B/1B - ADA 1st Floor Street View End Cap$1,315
Aventura at RichmondA1$1,340
The Waterways of Lake Saint Louis ApartmentsBrookside$1,350
Synergy at the MeadowsElement$1,363
The Prairie Luxury ApartmentsOne Bedroom$1,365

10 Hidden Costs of Renting You Should Budget for Before Signing a Lease

Avoid financial stress when renting. Learn about the 10 most common hidden costs—from pet fees to utilities—you must budget for before you sign a lease.

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Don't Settle: How to Negotiate Your Apartment Lease and Save Money

Discover the insider tips from an attorney and real estate agent on how to negotiate your next apartment lease. Find out what's on the table and what's not, so you can save money and get the best terms possible.

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

Moving is tough, especially long-distance. Learn how to minimize stress & expenses with proven strategies from a real estate pro, covering everything from logistics to finances.

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

Discover how your credit score impacts your ability to lease or buy a home. Learn how credit scores are determined, how to check yours, and strategies to improve it for real estate success.

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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.

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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:
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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Frequently Asked Questions about 1 Bedroom O'Fallon Apartments

What is the Cheapest apartment in O'Fallon with 1 Bedroom?

Currently the most affordable 1 Bedroom in O'Fallon is at Amber Court Apartments listed at $995.

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 $1,476.

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 1,045 square feet unit starting from $1,707 at Avenue64 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 730 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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What Does “Rent Burdened” Mean? How Much Rent Is Too Much

Written by: Lauren Harrington

This article draws from first-hand renter experiences and recurring financial challenges reported after moving in.

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Maximizing Your Refund: Essential Tax Tips for Renters

Written by: Christine Leonard, Esq.

Other than tax professionals, I can’t think of anyone who looks forward to tax season. For everybody else, April is a stressful month to collect information and meet deadlines.

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18 Must-Ask Rental Tour Questions That Reveal the Truth about a Property

Written by: Lauren Harrington

Renting your next home can feel thrilling and overwhelming at the same time.

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A Renters Guide for Tips on Writing Your Notice for Not Renewing Your Apartment

Written by: Bob Mallory

Packing up everything you own to move is so stressful for many that ending your apartment lease can feel like a small or unimportant task. Ending your lease involves more than simply turning over your keys on the last day.