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
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
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O'Fallon, MO Local Guide

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

Availability Confirmed As of: January 02, 2026

There are currently 277 available 1 Bedroom apartment units in O'Fallon, MO neighborhoods that range in price from $945 to $1,956. 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 Charles150$1,430$945
Tysons Corner74$1,475$1,111
Whispering Woods53$1,450$945

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 $1,668. Hearthstone at Autumn Hollow in the Crimson Oaks neighborhood has the second largest 1 Bedroom, which is sized at 1,000 square feet and currently listed start at $1,680. 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$1,668
Hearthstone at Autumn Hollow2B/2B - 3rd-Floor Lake View1,000 Sq Ft$1,680
Waterways ApartmentsBrookside IIII990 Sq Ft$1,475
Preserve at Research ParkMonarch898 Sq Ft$1,299
Bramblett HillsJASMINE860 Sq Ft$1,390
The Jewel O'FallonSapphire860 Sq Ft$1,391
Prairie PointThe Sunswept831 Sq Ft$1,330
Altair At The PreserveGreenbriar826 Sq Ft$1,531
The Sullivan1B/1B - 3rd Floor809 Sq Ft$1,380
Harmony Ridge Apartments1 BD/1BA Townscape-Willowpoint800 Sq Ft$1,490

Cheapest Available O'Fallon 1 Bedroom Apartments

As of January 02, 2026 the lowest priced 1 Bedroom apartment unit in O'Fallon, MO is the 1BR/1.0BA Model starting from $945 at Amber Court Apartments in the Whispering Woods neighborhood. The second most affordable O'Fallon 1 Bedroom is the 1 Bedroom / Phase 1 & 2 Model at Casalon Parkway Apartments starting at $987 . The average price for all 1 Bedroom apartments in O'Fallon is currently $1,422. Here is today’s list of the cheapest available 1 Bedroom options in O'Fallon:

Apartment ListingModel NamePriced From
Amber Court Apartments1BR/1.0BA$945
Casalon Parkway Apartments1 Bedroom / Phase 1 & 2$987
Savannah Ridge Apartments1 Bedroom Garden$1,038
O'Fallon Lakes ApartmentsThe Adler$1,082
Citrine ApartmentsCanary$1,217
Synergy at the MeadowsBreeze$1,252
Hearthstone at Autumn Hollow1B/1B - 1st Floor Prairie View$1,255
Preserve at Research ParkMonarch$1,299
Prairie PointThe Sunswept$1,330
The Prairie Luxury ApartmentsOne Bedroom$1,365

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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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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Best Local Schools in
O'Fallon, MO

School data provided by Great Schools

Remember the 3 Rules of Real Estate:
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Explore O'Fallon, MO Rentals by Map

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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 $1,422.

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 $1,668 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 731 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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How to Make Your Apartment Holiday-Ready: Renter-Friendly Tips

Written by: Justin Habersaat

Getting your apartment ready for the holidays can be exciting but sometimes challenging in a smaller space. Here are some modern tips to keep things festive, safe, and inviting this season.

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Renting with Roommates: Realistic Expectations for Shared Lease

Written by: Christine Leonard, Esq.

Given the high costs for housing, I have found that many people are looking for a roommate to share expenses. These arrangements can increase opportunities for more desirable and larger spaces.

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Apartment Common Area Rules: What Renters Need to Know

Written by: Christine Leonard, Esq.

Back in the day when I rented one of my first apartments, the property didn’t even have laundry in the building. Now, rental properties are often competing against each other to provide the best amenities.

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How to Negotiate Your Apartment Lease and Save Money

Written by: Christine Leonard, Esq.

Everything is a negotiation in real estate!