Newest Homes for Sale in O'Fallon, MO

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  $889,975

  New Construction

  • 5 Beds
  • 4.5 Baths
  • 3,554 Sq Ft

  201 Randlin Dr Unit 1, Lake Saint Louis, MO 63367

  MOVE-IN READY! This exquisite 5-bedroom, 4.5-bathroom Madison Display in the Sommerlin community blends elegance, function, and luxury finishes at every turn. The first floor opens with a spacious dining room, perfect for hosting family gatherings or dinner parties. The gourmet kitchen is the heart of the home, anchored by a large quartz island with seating for four. A microwave and oven combo,

  McKelvey Homes Builder

  201 Randlin Dr Unit 1, Lake Saint Louis, MO 63367
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  $567,825

  New Construction $106K PRICE INCREASE Pending

  • 3 Beds
  • 3 Baths
  • 2,058 Sq Ft

  136 Columbia Meadows Ln, O'Fallon, MO 63366

  PROMOTION GOING ON NOW FREE WALKOUT NON CONTINGENT CONTRACT BY 9/21/25. Grand Columbia 2 home is a confluence of design and detail and the apex of comfort and style.Upon entry, be greeted by the spacious second bedroom, featuring an expansive closet. As you progress, a vast kitchen unfolds, adorned with lustrous granite countertops and the finest of appliances and cabinetry. Adjacent, discover

  

  Amanda Alejandro

  Realty Shop

  136 Columbia Meadows Ln, O'Fallon, MO 63366
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  $359,900

  New Construction $19K PRICE INCREASE

  • 4 Beds
  • 2.5 Baths
  • 2,001 Sq Ft

  2 Royal II at Harvest Manors, O'Fallon, MO 63385

  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

  Pamela Chyba ListWithFreedom.com Inc

  2 Royal II at Harvest Manors, O'Fallon, MO 63385
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  $342,900

  New Construction $2K PRICE INCREASE

  • 4 Beds
  • 2.5 Baths
  • 1,902 Sq Ft

  2 Sterling at Harvest Manors, O'Fallon, MO 63385

  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

  Pamela Chyba ListWithFreedom.com Inc

  2 Sterling at Harvest Manors, O'Fallon, MO 63385
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  $482,700

  New Construction

  • 3 - 5 Beds
  • 3 Baths
  • 2,454 Sq Ft

  The Carlton II Plan at Inverness, O Fallon, MO 63368

  The Carlton II is a 1.5-story home offering 2,454 square feet of living space with 3–5 bedrooms, 3 bathrooms, and a 2-car garage. The main living area features a spacious kitchen with a large island and walk-in pantry flowing into the nook and great room. A first-floor study offers flexibility as an optional bedroom. The private primary suite is located at the back of the home and includes a full

  Lombardo Homes Builder

  601 Cruden Bay Ct Unit 37215792, O Fallon, MO 63368
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  /4

  $456,900

  New Construction

  • 2 - 3 Beds
  • 2 Baths
  • 1,936 Sq Ft

  The Stansbury Plan at Inverness, O Fallon, MO 63368

  The Stansbury is a one-story ranch home offering 1,936 square feet of living space with 2 bedrooms, 2 bathrooms, and a 2-car garage. The open main living area features a kitchen with a large center island and walk-in pantry that flows into the nook and great room, creating a comfortable space for everyday living. A covered patio is included, extending the living space outdoors. The private

  Lombardo Homes Builder

  601 Cruden Bay Ct Unit 37215794, O Fallon, MO 63368
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  /4

  $499,800

  New Construction

  • 3 - 5 Beds
  • 3 Baths
  • 2,644 Sq Ft

  The Stansbury II Plan at Inverness, O Fallon, MO 63368

  The Stansbury II is a 1.5-story home offering 2,644 square feet of living space with 3 bedrooms, 3 bathrooms, and a loft, with the option to add another bedroom. The main level features an open living area with a kitchen that includes a large center island and walk-in pantry flowing into the nook and great room. A covered patio extends the living space outdoors. The private primary suite is

  Lombardo Homes Builder

  601 Cruden Bay Ct Unit 37215791, O Fallon, MO 63368
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  /4

  $420,800

  New Construction

  • 2 - 3 Beds
  • 2 Baths
  • 1,746 Sq Ft

  The Carlton Plan at Inverness, O Fallon, MO 63368

  The Carlton is a ranch home offering 1,746 square feet of living space with 2–3 bedrooms, 2 bathrooms, and a 2-car garage. The open main living area features a spacious kitchen with a large island and walk-in pantry overlooking the nook and great room. The private primary suite is located at the back of the home and includes a full bath and walk-in closet, with optional laundry access from the

  Lombardo Homes Builder

  601 Cruden Bay Ct Unit 37215793, O Fallon, MO 63368
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  /2

  $541,900

  New Construction $25K PRICE INCREASE

  • 3 Beds
  • 2 Baths
  • 1,948 Sq Ft

  2 the Denver at the Grove, O'Fallon, MO 63366

  This "To Be Built" 4 Bedroom Ranch home also includes a 4 Car Garage. Features Include 9' Ceilings, Vaulted Ceilings in the Great room, Kitchen & Breakfast room, 42" Soft Close Cabinets w/ Dove Tailed Drawers, Granite Countertops, Kitchen Island, 5 1/4" base, 3 1/4" Door casing, Double Bowl Adult Hght. Vanities in the Primary Bath, a Fully Sodded Yard with a 24' x 18' Concrete Patio.

  Kristin Gansman STL Buy & Sell, LLC

  2 the Denver at the Grove, O'Fallon, MO 63366
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  $676,500

  New Construction

  • 4 Beds
  • 3.5 Baths
  • 3,429 Sq Ft

  Provence Plan at Post Farms - The Estates, O'Fallon, MO 63385

  The Provence is a story and a half layout that features 4 bedrooms, 3.5 bath and has 3,429 sq. feet. This home features 9' ceilings on the first floor, an expanded owners suite on the first floor, hardwood flooring in the foyer, a Jack and Jill bath on the second floor as well as another full bath on the second floor. The kitchen in the Provence has gorgeous 42' cabinets with Island. With all of

  McKelvey Homes Builder

  1061 E East N Unit 37149387, O'Fallon, MO 63385
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  /22

  $644,800

  New Construction

  • 3 Beds
  • 2 Baths
  • 2,570 Sq Ft

  Stockton Plan at Post Farms - The Estates, O'Fallon, MO 63385

  The Stockton is McKelvey Homes newest Designer Series Ranch. The Stockton is a 2,570 SQ FT Ranch with 3 bedrooms and 2.5 bathrooms. This open split floor plan design allows easy entertaining with a large Great Room that seamlessly flows into the breakfast room and large Kitchen with eating/serving island. The secluded private owner's suite has dual vanities, a large shower or Bathtub, large

  McKelvey Homes Builder

  1061 E East N Unit 37149384, O'Fallon, MO 63385
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  $705,900

  New Construction

  • 4 Beds
  • 3.5 Baths
  • 4,058 Sq Ft

  Turnberry Plan at Post Farms - The Estates, O'Fallon, MO 63385

  McKelvey's largest story and a half plan with 4,058 square feet. Large first level with open plan between great room, breakfast room, hearth room, kitchen and dining room. 3 over sized bedrooms on the second level situated around a loft and bonus room, make it easy for everyone to have their own space. The second level also has a full hall bath, and a jack and jill bathroom. Large kitchen with

  McKelvey Homes Builder

  1061 E East N Unit 37149381, O'Fallon, MO 63385
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  /22

  $669,400

  New Construction

  • 3 Beds
  • 2.5 Baths
  • 2,809 Sq Ft

  LaSalle Plan at Post Farms - The Estates, O'Fallon, MO 63385

  The LaSalle is McKelvey Homes' most popular ranch-style floor plan, cherished for its perfect blend of functionality and elegance. This open, split-floor plan design is ideal for both relaxed living and entertaining. The spacious kitchen features a large eating and serving island, seamlessly connecting to the breakfast room and great room, making gatherings effortless. Enhance the great room with

  McKelvey Homes Builder

  1061 E East N Unit 37149389, O'Fallon, MO 63385
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  $661,900

  New Construction

  • 4 Beds
  • 3.5 Baths
  • 3,730 Sq Ft

  Mandalay Plan at Post Farms - The Estates, O'Fallon, MO 63385

  This spacious two-story home is beloved for its generously sized dining room, master suite, kitchen, and laundry room. The first floor features a study off the entry foyer and a roomy family entry with a coat closet. The kitchen boasts abundant 42 cabinets and an oversized island with a two-sided overhang, perfect for gatherings. The luxurious Owners Suite occupies nearly a quarter of the home,

  McKelvey Homes Builder

  1061 E East N Unit 37149380, O'Fallon, MO 63385
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  $590,500

  New Construction

  • 3 Beds
  • 2 Baths
  • 2,293 Sq Ft

  Hemingway Plan at Post Farms - The Estates, O'Fallon, MO 63385

  The Hemingway Ranch Plan, part of the exceptional Designer Series, is designed to suit your family's lifestyle. This thoughtfully crafted split-bedroom floor plan includes three bedrooms and two baths, with an option to customize further by adding a powder room or transforming the dining/flex room into a fourth bedroom. The owner's suite is a private retreat featuring a spacious walk-in closet

  McKelvey Homes Builder

  1061 E East N Unit 37149386, O'Fallon, MO 63385
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  $681,100

  New Construction

  • 4 Beds
  • 3.5 Baths
  • 3,685 Sq Ft

  Muirfield Plan at Post Farms - The Estates, O'Fallon, MO 63385

  The Muirfield by McKelvey Homes is our most popular 1.5 story plan. It has 4 bedrooms and 3.5 baths plus a bonus room! This gorgeous home includes a three car garage, 9' ceilings on the first floor, Low E windows, hardwood flooring in the foyer, and 42' cabinets in the kitchen with island. It boasts a large owners bedroom with luxurious owners bathroom. the oversized bedrooms on the second floor

  McKelvey Homes Builder

  1061 E East N Unit 37149388, O'Fallon, MO 63385
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  /4

  $644,900

  New Construction

  • 4 Beds
  • 2.5 Baths
  • 3,056 Sq Ft

  Westhampton 2 Plan at The Grove at Riverdale, O'Fallon, MO 63366

  T.R. Hughes Homes Builder

  203 River Trace Ct Unit 37072305, O'Fallon, MO 63366
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  /4

  $624,900

  New Construction

  • 3 - 5 Beds
  • 2.5 Baths
  • 2,618+ Sq Ft

  Grayson 2 Plan at The Grove at Riverdale, O'Fallon, MO 63366

  T.R. Hughes Homes Builder

  203 River Trace Ct Unit 37072219, O'Fallon, MO 63366
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  /3

  $614,900

  New Construction

  • 4 Beds
  • 2.5 Baths
  • 2,330 Sq Ft

  San Diego Plan at The Grove at Riverdale, O'Fallon, MO 63366

  T.R. Hughes Homes Builder

  203 River Trace Ct Unit 37072078, O'Fallon, MO 63366
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  /3

  $614,900

  New Construction

  • 4 Beds
  • 2.5 Baths
  • 2,330 Sq Ft

  Sacramento Plan at The Grove at Riverdale, O'Fallon, MO 63366

  T.R. Hughes Homes Builder

  203 River Trace Ct Unit 37071654, O'Fallon, MO 63366
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  /4

  $597,900

  New Construction

  • 3 Beds
  • 2.5 Baths
  • 2,056 Sq Ft

  Hudson Plan at The Grove at Riverdale, O'Fallon, MO 63366

  T.R. Hughes Homes Builder

  203 River Trace Ct Unit 37071550, O'Fallon, MO 63366
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  /4

  $534,900

  New Construction

  • 3 Beds
  • 2 Baths
  • 1,959 Sq Ft

  Willow Plan at The Grove at Riverdale, O'Fallon, MO 63366

  T.R. Hughes Homes Builder

  203 River Trace Ct Unit 37071267, O'Fallon, MO 63366
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  $534,900

  New Construction

  • 3 Beds
  • 2 Baths
  • 1,960 Sq Ft

  Addison Plan at The Grove at Riverdale, O'Fallon, MO 63366

  T.R. Hughes Homes Builder

  203 River Trace Ct Unit 37071240, O'Fallon, MO 63366
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  /3

  $541,900

  New Construction

  • 4 Beds
  • 2 Baths
  • 1,948 Sq Ft

  Denver Plan at The Grove at Riverdale, O'Fallon, MO 63366

  T.R. Hughes Homes Builder

  203 River Trace Ct Unit 37071068, O'Fallon, MO 63366
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  /4

  $519,900

  New Construction

  • 3 Beds
  • 2 Baths
  • 1,714 Sq Ft

  Rebecca Plan at The Grove at Riverdale, O'Fallon, MO 63366

  T.R. Hughes Homes Builder

  203 River Trace Ct Unit 37068157, O'Fallon, MO 63366
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  /2

  $499,900

  New Construction

  • 3 Beds
  • 2 Baths
  • 1,740 Sq Ft

  The Durango Plan at The Grove at Riverdale, O'Fallon, MO 63366

  T.R. Hughes Homes Builder

  203 River Trace Ct Unit 37068004, O'Fallon, MO 63366
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  /5

  $542,900

  New Construction

  • 3 - 5 Beds
  • 4 Baths
  • 2,647 Sq Ft

  The Grand Magnolia Plan at Columbia Meadows, O'Fallon, MO 63366

  The Grand Magnolia offers over 2,600 square feet of sophisticated living across two beautifully designed levels, blending architectural elegance with the thoughtful functionality today’s homeowners desire. This 1.5-story home features 2 bedrooms, 2 baths, and a spacious loft with an optional third bedroom suite, creating flexibility for guests, hobbies, or extended family. The gourmet kitchen

  The Kemp Homes Company Builder

  4 Challenger Ct Unit 37053565, O'Fallon, MO 63366
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  $479,700

  New Construction

  • 2 Beds
  • 2 Baths
  • 1,912 Sq Ft

  The Magnolia Plan at Columbia Meadows, O'Fallon, MO 63366

  Sheer luxury. Timeless design. Effortless living. The Magnolia offers more than 1,900 square feet of refined main-floor living, perfectly balancing open spaces, elegant finishes, and everyday functionality—all on one level. This 2-bedroom, 2-bath ranch features a large study/flex room, ideal for a home office or guest suite. The gourmet kitchen showcases granite countertops, premium cabinetry,

  The Kemp Homes Company Builder

  4 Challenger Ct Unit 37053549, O'Fallon, MO 63366
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  $462,800

  New Construction

  • 2 Beds
  • 2.5 Baths
  • 1,826 Sq Ft

  The Grand Columbia II Plan, O'Fallon, MO 63366

  Sheer luxury. Effortless living. Lasting value. The Grand Columbia II offers over 1,800 square feet of exceptional main-floor living—thoughtfully designed for comfort, convenience, and style. This 2-bedroom, 2-bath ranch blends open-concept living with timeless sophistication. Enjoy a spacious kitchen and dining area with granite countertops, premium cabinetry, quality appliances, and a walk-in

  

  The Kemp Homes Company

  Builder

  4 Challenger Ct Unit 37053536, O'Fallon, MO 63366
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  $456,500

  New Construction

  • 2 Beds
  • 2 Baths
  • 1,826 Sq Ft

  The Grand Columbia Plan, O'Fallon, MO 63366

  Sheer luxury. Smart design. Timeless comfort.The Grand Columbia offers more than 1,800 square feet of thoughtfully designed main-floor living, combining spacious elegance with everyday functionality. This 2-bedroom, 2-bath ranch features an inviting open-concept layout, complete with a large study/flex room, perfect for a home office, den, or guest space. The gourmet kitchen showcases granite

  

  The Kemp Homes Company

  Builder

  4 Challenger Ct Unit 37053526, O'Fallon, MO 63366
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  $415,400

  New Construction

  • 2 Beds
  • 2 Baths
  • 1,583 Sq Ft

  The Columbia Plan, O'Fallon, MO 63366

  Sheer luxury. Smart design. Exceptional value. The Columbia offers over 1,500 square feet of beautifully crafted main-floor living, blending open-concept design with timeless style and everyday functionality. This 2-bedroom, 2-bath ranch includes a spacious study/flex room, perfect for a home office or guest space. The elegant kitchen features granite countertops, quality cabinetry, a walk-in

  

  The Kemp Homes Company

  Builder

  4 Challenger Ct Unit 37053420, O'Fallon, MO 63366
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  $569,900

  New Construction

  • 4 - 6 Beds
  • 2.5 - 5.5 Baths
  • 3,517 Sq Ft

  Carrington Plan at Inverness - Designer Collection, Dardenne Prairie, MO 63368

  The Carrington offers an integrated 3-car garageand a striking two-story foyer. Designed with flexibility in mind, it features options for a first-floor Study or Guest Suite, and a Rec Room that can convert into a Prep Kitchen, Butlers Pantry, or expanded Family Foyer. The open-concept Kitchen flows into a spacious Family Room and Morning Room, centered around a convenient staircase. Upstairs,

  Fischer Homes Builder

  200 Kerry Downs Dr Unit 37046519, Dardenne Prairie, MO 63368
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  $572,900

  New Construction

  • 4 - 6 Beds
  • 2.5 - 5.5 Baths
  • 3,517 Sq Ft

  Carrington Plan at Streets of Caledonia - Designer Collection, O'Fallon, MO 63368

  The Carrington offers an integrated 3-car garageand a striking two-story foyer. Designed with flexibility in mind, it features options for a first-floor Study or Guest Suite, and a Rec Room that can convert into a Prep Kitchen, Butlers Pantry, or expanded Family Foyer. The open-concept Kitchen flows into a spacious Family Room and Morning Room, centered around a convenient staircase. Upstairs,

  Fischer Homes Builder

  503 Long Haven Dr Unit 37049035, O'Fallon, MO 63368
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  $521,990

  New Construction

  • 3 - 5 Beds
  • 2.5 - 4.5 Baths
  • 2,572 Sq Ft

  Savannah Plan at Creekside at Sommers, O'Fallon, MO 63367

  The Savannah is an inviting one-and-a-half-story home designed for everyday living and effortless entertaining. With 3 Bedrooms and a 3-car Garage, this thoughtfully designed layout offers space, comfort, and flexibility for a variety of lifestyles. The first floor features a sunlit Great Room that flows seamlessly into the Dining Area and Kitchen, creating an open, connected space ideal for both

  Rolwes Company Builder

  103 Sommers Creek Ct Unit 36922775, O'Fallon, MO 63367
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  /7

  $520,990

  New Construction

  • 4 - 5 Beds
  • 2.5 - 3.5 Baths
  • 2,779 Sq Ft

  Princeton Plan at Creekside at Sommers, O'Fallon, MO 63367

  The Princeton is a thoughtfully designed two-story home from our Lifestyle Series that blends comfort, style, and functionality. On the first floor, you’ll find a Study—perfect for work, reading, or quiet time—along with a formal Dining Room for family meals or holiday gatherings. The spacious Great Room flows seamlessly into the Breakfast Room and Kitchen, creating an open, inviting space ideal

  Rolwes Company Builder

  103 Sommers Creek Ct Unit 36922741, O'Fallon, MO 63367
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  $506,990

  New Construction

  • 3 - 4 Beds
  • 2.5 - 3.5 Baths
  • 2,214 Sq Ft

  Canterbury Plan at Creekside at Sommers, O'Fallon, MO 63367

  The Canterbury is one of our most popular home designs, and it’s easy to see why. With a split three-Bedroom floor plan, two Bathrooms, a main-floor Laundry/Mudroom, and a spacious three-car Garage, it’s designed for everyday living, organization, and long-term flexibility. The Great Room serves as the central gathering space, filled with natural light and flowing seamlessly into the Dining area

  Rolwes Company Builder

  103 Sommers Creek Ct Unit 36922724, O'Fallon, MO 63367
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  $457,990

  New Construction

  • 3 - 4 Beds
  • 2 - 3 Baths
  • 1,840 Sq Ft

  Rochester Plan at Creekside at Sommers, O'Fallon, MO 63367

  The Rochester is designed for ultimate livability and is one of our most popular home designs, thanks to its thoughtful layout and versatile spaces. The split three‐Bedroom floor plan provides both privacy and comfort, while two full Bathrooms and a convenient main‐floor Laundry make everyday life easier. The home opens to a spacious Great Room that flows naturally into the sunlit Dining area and

  Rolwes Company Builder

  103 Sommers Creek Ct Unit 36922694, O'Fallon, MO 63367
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  $452,990

  New Construction

  • 3 - 4 Beds
  • 2 - 3 Baths
  • 1,612 Sq Ft

  Westbrook Plan at Creekside at Sommers, O'Fallon, MO 63367

  The Westbrook is a masterfully designed ranch home that proves you never have to sacrifice grand style for modern efficiency. At Rolwes Company, we focus on Extraordinary Livability , and this floorplan is a premier example of that philosophy. Offering 3 Bedrooms, 2 Bathrooms, and a massive 3-car Garage, the Westbrook provides a smart, open layout that perfectly balances daily functionality with

  Rolwes Company Builder

  103 Sommers Creek Ct Unit 36922665, O'Fallon, MO 63367
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  /31

  $470,990

  New Construction

  • 3 - 5 Beds
  • 2.5 - 3.5 Baths
  • 2,237 Sq Ft

  Barkley Plan at Creekside at Sommers, O'Fallon, MO 63367

  The Barkley is more than just a home—it’s a thoughtfully designed floor plan built to support your lifestyle through every stage of life. From the moment you step into the welcoming foyer, you’ll appreciate the open-concept design that creates a seamless flow between living spaces while offering the comfort and functionality today’s homeowners desire. At the heart of the home, the spacious Living

  Rolwes Company Builder

  103 Sommers Creek Ct Unit 36922594, O'Fallon, MO 63367
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  /29

  $436,990

  New Construction

  • 3 - 4 Beds
  • 2 - 3 Baths
  • 1,556 Sq Ft

  Rockport Plan at Creekside at Sommers, O'Fallon, MO 63367

  The Rockport is a classic ranch home designed for comfort, style, and everyday living. This 3-Bedroom, 2-Bathroom home features a main-floor Laundry and 2-Car Garage for convenience, while the Great Room flows seamlessly into a sunlit Dining Area and Kitchen with an oversized island—perfect for family meals, entertaining, or casual mornings at home. The Owner’s Suite is a private retreat with a

  Rolwes Company Builder

  103 Sommers Creek Ct Unit 36922592, O'Fallon, MO 63367

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