O'Fallon Homes under $400,000

O'Fallon Homes under $400,000

Welcome to O'Fallon, Missouri, a vibrant city nestled in the heart of St. Charles County. Known for its friendly community atmosphere and exceptional quality of life, O'Fallon is a fantastic place to call home. With its convenient location just a short drive from St. Louis, residents enjoy the perfect blend of suburban tranquility and urban accessibility.

O'Fallon boasts a rich array of amenities, including sprawling parks, top-rated schools, and a variety of shopping and dining options. The city is home to several recreational facilities, making it ideal for families and outdoor enthusiasts alike. Whether you're looking to enjoy a leisurely stroll in one of the many parks or engage in community events throughout the year, O'Fallon offers something for everyone.

For those seeking affordable housing options, O'Fallon is an excellent choice. With a diverse selection of homes available for under $400,000, potential buyers can find charming single-family homes, modern townhouses, and cozy bungalows that fit their budget and lifestyle. The housing market here caters to a wide range of preferences, ensuring that everyone can find their perfect nest.

Investing in a home in O'Fallon not only grants you access to a thriving community but also places you in proximity to excellent schools, beautiful parks, and a strong sense of community spirit. Explore the possibilities today and discover why O'Fallon is the ideal place to establish your roots!

Newest O'Fallon Homes under $400,000

232 Spring Borough Dr, O'Fallon
$349,900
4 Beds ⋅ 3 Baths ⋅ 26063514 MLS ⋅ COMING SOON Status
NO SHOW TILL Friday, October 9, 2026 (Noon and after). Professional pictures will be uploaded Wednesday. OPEN SUNDAY OCT. 11 FROM 1-3 IF STILL AVAILABLE! Welcome home to this spacious 2-story, 4-bed, 2.5-Bath home situated on a premium, mostly level lot backing to common ground. The inviting 2-story foyer opens to formal living and dining areas, while the eat-in kitchen offers updated countertops, a charming coffee nook, and plenty of space for everyday living. Many rooms were freshly painted in 2026, and luxury vinyl flooring extends throughout the main level. The walk-out unfinished basement provides excellent potential for additional living space and already includes a rough-in for a future bath. Additional updates include an A/C unit less than 5 years old, 1 year old water heater and a deck and fence installed in 2018. Enjoy the nicely landscaped yard, front-entry 2-car garage, and neighborhood amenities including a pool, basketball court, pond, and dog park. Plenty of space, some updates and potential to do more all in one home!

232 Spring Borough Dr, O'Fallon
341 Westbrook Dr, O'Fallon
$339,900
3 Beds ⋅ 2 Baths ⋅ 26063927 MLS ⋅ COMING SOON Status
Beautifully updated 3-bedroom 2 full bath ranch! Brand new kitchen with 42' cabinets, Quartz counter tops, Ceramic tile back splash and stainless appliances. Large vaulted great room with wood burning fireplace! New luxury vinyl plank flooring and freshly painted through out! New interior panel doors! Updated bathrooms with new vanities and fixtures. New roof with architectural shingles in August 2026! Even more living space in lower level with a rec room and family room area and 2 additional bonus rooms! Spectacular PRIVATE back yard with a patio and beautifully landscaped lot on a quiet cul de sac! *** Owner is licensed agent***

341 Westbrook Dr, O'Fallon
526 Brookside Forest Ct, O'Fallon
$359,900
3 Beds ⋅ 2 Baths ⋅ 26063339 MLS ⋅ ACTIVE Status
Why wait to build when you can buy this like new home on prime cul de sac lot backing to trees! This beautifully maintained 3-bedroom, 2 bath home is located in the highly desirable Wentzville School District.! Home has a bright and move-in-ready feel. Features stylish LVP flooring and a beautifully appointed kitchen with quartz countertops, breakfast bar, pantry, under cabinet lighting and slate colored appliances-comfortable living spaces designed for everyday living-all of the bedrooms do have special mount in the ceiling for ceiling fans-surround sound system speakers-sellers had driveway and insulated garage enlarged by builder plus garage door is insulated as well , there is also a hookup for a hot tub-Master bdrm is large with w/i closet and bath with dual sinks and walk in shower-The full walk-out basement is ready to be finished and has rough in plumbing for a bath and a full size window-Step outside to the maintenance-free large composite deck with concrete underneath and expanded brick patio, overlooking a back yard that backs to trees for added privacy and backs to bird sanctuary. With its modern finishes, flexible living space, and peaceful setting, this home is one you won’t want to miss! new roof in 2024- structural warranty from builder is transferable and roofing company is transferrable (listing agent is checking into this)

526 Brookside Forest Ct, O'Fallon
2 Aspen Ii At Harvest Mnrs, O'Fallon
$342,900
3 Beds ⋅ 2 Baths ⋅ 26063471 MLS ⋅ ACTIVE Status
Pre-Construction. To Be Built Home ready to personalize into your dream home! BASE PRICE and PHOTOS are for 3BR, 2BA Aspen II Ranch. Pricing will vary depending on interior/exterior selections. Your family will love this beautiful open floorplan! The great room leads into the kitchen with center island and walkin pantry, plus spacious adjacent dining area with glass sliding doors leading to a covered patio or deck. The master suite features dual closets and a private master bath. Main floor also features laundry room and coat closet off garage. Lots of large windows for natural light! Available bay windows in dining room or master bedroom, and great room fireplace. The Aspen II includes 2 car garage, soffits & fascia and much more! Enjoy peace of mind with McBride Homes' 10 year builders warranty and incredible customer service! Harvest at Hwy N and Hopewell offers incredible onsite amenities. It’s not just a home, it’s a lifestyle! Display photos shown.

2 Aspen Ii At Harvest Mnrs, O'Fallon
2 Berwick At Harvest Mnrs, O'Fallon
$339,900
3 Beds ⋅ 3 Baths ⋅ 26063463 MLS ⋅ ACTIVE Status
Pre-Construction. To Be Built Home ready to personalize into your dream home! BASE PRICE and PHOTOS are for 3BR, 2.5BA Berwick Two Story. Pricing will vary depending on various interior/exterior selections. This home features an incredible spacious family room, perfect for entertaining! Enjoy the expansive kitchen with lots of cabinetry and available center island. This space opens to a large dining area with access to the backyard, plus you can personalize with bay windows or built in desk. Upstairs you’ll find a large master bedroom with walk-in closet and available luxury master bath, 2 secondary bedrooms, and 2nd floor laundry. The Berwick includes 2 car garage, soffits & fascia and much more! Enjoy peace of mind with McBride Homes' 10 year builders warranty and incredible customer service! Harvest at Hwy N and Hopewell offers incredible onsite amenities. It’s not just a home, it’s a lifestyle! Display photos shown.

2 Berwick At Harvest Mnrs, O'Fallon
2 Maple At Harvest Mnrs, O'Fallon
$339,900
3 Beds ⋅ 2 Baths ⋅ 26063458 MLS ⋅ ACTIVE Status
Pre-Construction. To Be Built Home ready to personalize into your dream home! BASE PRICE and PHOTOS are for 3BR, 2BA Maple Ranch. Pricing will vary depending on various interior/exterior selections. This beautiful home features a large great room with available vaulted ceilings and gas fireplace. Spacious dining area and open kitchen with optional center island & breakfast bar. The master suite includes a large walk-in closet private bathroom. This floor plan can have 2-3 total bedrooms, with a full hall bath included. Two car garage, main floor laundry room, and much more! Personal selections include bay windows, luxury master bath, and great room extension. Enjoy peace of mind with McBride Homes' 10 year builders warranty and incredible customer service! Harvest at Hwy N and Hopewell offers incredible onsite amenities. It’s not just a home, it’s a lifestyle! Display photos shown.

2 Maple At Harvest Mnrs, O'Fallon
2 Aspen At Harvest Mnrs, O'Fallon
$307,900
2 Beds ⋅ 2 Baths ⋅ 26063437 MLS ⋅ ACTIVE Status
Pre-Construction. To Be Built Home ready to personalize your dream home! LIST PRICE and PHOTOS are for 3BR, 2BA Aspen Ranch. Pricing will vary depending on interior/exterior selections. This home features a stunning open great room with available vaulted ceilings or gas fireplace. Kitchen includes extensive cabinetry, plus optional breakfast bar open to the great room. The breakfast room hosts sliding doors that can open to a patio or deck. The master suite includes walk-in closet, large window, and additional selections including coffered ceiling, double vanity or walk-in shower in master bath. Two car garage, soffits & fascia and much more! Personal selections include bay windows, main floor laundry, and great room extension. Enjoy peace of mind with McBride Homes' 10 year builders warranty and incredible customer service! Harvest at Hwy N and Hopewell offers incredible onsite amenities. It’s not just a home, it’s a lifestyle! Display photos shown.

2 Aspen At Harvest Mnrs, O'Fallon
2 Ashford At Harvest Mnrs, O'Fallon
$378,900
4 Beds ⋅ 3 Baths ⋅ 26063422 MLS ⋅ ACTIVE Status
Pre-Construction. To Be Built Home ready to personalize into your dream home! BASE PRICE and PHOTOS are for 4BR, 2.5BA Ashford Two Story. Pricing will vary depending on interior/exterior selections. This beautiful home opens to a living room and separate formal dining room. The back of the home features an open floorplan with massive kitchen, breakfast room, and large family room. Master suite features large walk in closet and private bath. 3 secondary bedrooms, all with walk in closets! The Ashford includes a 2 car garage, main floor laundry room, soffits & fascia and much more! Personal selections may include center island, extended kitchen plan with peninsula, gas fireplace, window wall or bay windows Enjoy peace of mind with McBride Homes' 10 year builders warranty and incredible customer service! Harvest at Hwy N and Hopewell offers incredible onsite amenities. It’s not just a home, it’s a lifestyle! Display photos shown.

2 Ashford At Harvest Mnrs, O'Fallon
2 Royal Ii At Harvest Mnrs, O'Fallon
$362,900
4 Beds ⋅ 3 Baths ⋅ 26063410 MLS ⋅ ACTIVE Status ⋅ Royal Ii BLDG.
Pre-Construction. To Be Built Home ready to personalize into your dream home! BASE PRICE and PHOTOS are for 4BR, 2.5BA Royal II Two Story. Pricing will vary depending on interior/exterior selections. This flexible two story home offers plenty of living space! The main floor is great for entertaining, with a kitchen that opens to the breakfast room and family room, plus a formal dining room for additional space. Second floor features the master suite with private bath and 3 secondary bedrooms with hall bath. Additional selections include luxury kitchen or a luxury master bath. The Royal II includes 2 car garage, main floor laundry, and more! Additional personal selections may include bay windows, fireplace, or great room window wall. Enjoy peace of mind with McBride Homes' 10 year builders warranty and incredible customer service! Harvest at Hwy N and Hopewell offers incredible onsite amenities. It’s not just a home, it’s a lifestyle! Display photos shown.

2 Royal Ii At Harvest Mnrs, O'Fallon
2 Sterling At Harvest Mnrs, O'Fallon
$345,900
4 Beds ⋅ 3 Baths ⋅ 26063399 MLS ⋅ ACTIVE Status
Pre-Construction. To Be Built Home ready to personalize into your dream home! BASE PRICE and PHOTOS are for 4BR, 2.5BA Sterling Two Story. Pricing will vary depending on various interior/exterior selections. The main floor offers a large living room off the foyer, plus a spacious family room space adjacent to the dining area and kitchen. Upstairs the master suite offers two closets, spacious private bath, plus three additional bedrooms and hall bath. The Sterling includes 2 car garage, main floor laundry, soffits & fascia and much more! Additional floorplan enhancements include an expanded first floor with enlarged kitchen, dining area and laundry room, bay window in dining area, or a luxury master bath. Enjoy peace of mind with McBride Homes' 10 year builders warranty and incredible customer service! Harvest at Hwy N and Hopewell offers incredible onsite amenities. It’s not just a home, it’s a lifestyle! Display photos shown.

2 Sterling At Harvest Mnrs, O'Fallon
355 Birmingham Dr, O'Fallon
$330,000
3 Beds ⋅ 3 Baths ⋅ 26062985 MLS ⋅ ACTIVE Status
SHOWINGS BEGIN 10/3/26 AT 1PM at Open House. Open House on Sun. 10/4 from 1-3pm. Welcome to this beautiful 3bed/3bath home featuring great curb appeal, an inviting open-concept layout, beautiful hardwood floors throughout & an abundance of natural light. Spacious main-level bedrooms provide comfort & convenience, while the lower level offers a full bath plus additional living quarters complete with a kitchenette & cozy fireplace—perfect for guests, entertaining, or flexible living space. Enjoy your morning coffee year-round in the charming four-season room overlooking the spacious, fenced-in backyard. The extra driveway space provides plenty of parking for guests, making entertaining a breeze. With its warm & welcoming spaces, beautiful hardwood floors, great outdoor space & inviting curb appeal, this home is ready to be enjoyed just in time for the holiday season! Conveniently located near highway access, parks, restaurants, shopping & everyday amenities. Don’t miss the opportunity to make this inviting home your own!

355 Birmingham Dr, O'Fallon
1353 Osage Meadows Dr, O'Fallon
$300,000
3 Beds ⋅ 3 Baths ⋅ 26062671 MLS ⋅ ACTIVE Status
Discover the comfort of 1353 Osage Meadows Drive a move-in ready home. This 3 bedroom, 2 full and 1 half bath ranch home is conveniently located near major highways, shopping and dining. Entering the home notice the wood floors that carry throughout the home and the large windows offering natural light to shine in. The living room and eat-in kitchen offer an open feel with recessed lighting. The kitchen has ample cabinet and counter space with pantry. All three bedrooms offer large windows and ceiling fans. The primary bedroom has walk-in closet with half bath. The main floor full bath is big enough to share. The lower level has endless possibilities. There is a wet bar with plenty of room for game nights or just watching television. There is a full bathroom, laundry room and walkout to the backyard. The oversized garage can fit two cars with space to spare. The backyard is a large level lot and is completely fenced in. You can sit out on the patio and just sit back and relax.

1353 Osage Meadows Dr, O'Fallon
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