New homes for sale & real estate in St. Charles County, MO

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NEW CONSTRUCTION

ABOUT THIS HOME
New Home for sale in St. Charles County, MO:
TO BE BUILT! Welcome to The Augusta on Main, where luxury meets convenience in the heart of historic St. Charles. This stunning 3-bedroom, 2.5-bathroom condominium is designed for those who seek both style and functionality in a vibrant urban setting. It's located just steps from charming local restaurants, boutique shopping, and lively cultural attractions. As you enter, you’ll be greeted by an open-concept living space featuring sophisticated designer finishes throughout. The gourmet kitchen is a chef’s dream, complete with high-end stainless steel appliances, custom cabinetry, and a large central island ideal for entertaining or casual dining. The primary suite is a luxurious

$799,000

3 beds2.5 baths1,930 sq ft

1121 S Main St #310, St Charles, MO 63301

$562 HOA • 2 garage spots • Built 2025

ABOUT THIS HOME
New Home for sale in St. Charles County, MO:
This beautifully crafted 3-bedroom, 2.5-bath north-facing home is designed with families in mind. The spacious primary suite is conveniently located on the main floor, offering comfort and privacy, while the open-concept layout makes everyday living and entertaining a breeze. A first-floor laundry room adds to the home’s practicality. Best of all, the backyard opens directly to the community playground—perfect for watching the kids play from your patio. With modern finishes, two additional bedrooms upstairs, and a flexible loft space, this home has everything your growing family needs! As a bonus, the great room has home theater wiring that is ready for your connection to a 5.1

$615,000

3 beds2.5 baths2,725 sq ft

112 Westhaven View Dr, Wentzville, MO 63385

0.24 acre lot • 3 garage spots • Built 2023

NEW CONSTRUCTION

ABOUT THIS HOME
New Home for sale in St. Charles County, MO:
his stunning brand-new home is ready for you and financing is available! For $73,000, you can own this beautiful three-bedroom, two bath home that includes kitchen appliances and a deck. We want to make your dream of owning a home come true!

$72,995

3 beds2 baths1,153 sq ft

2363 Oakbrook Dr, O'fallon, MO 63368

Built 2025 • Listed 127 days

Listing provided by Zillow

NEW CONSTRUCTION3D WALKTHROUGH

ABOUT THIS HOME
New Home for sale in St. Charles County, MO:
Attend the Wentzville Open House Tour on 10/18 from 10am–1pm! Start at 225 Turning Mill Dr for your passport, free coffee, and details to tour all participating homes for your chance to win a $250 gift card! This brand new beautiful 3-bedroom, 2-bath ranch-style villa offers a spacious floor plan with a 9’ ceiling walk-out basement. Inside, you’ll be greeted with 9' ceilings throughout, a spacious great room, bright breakfast room, and large windows that fill the home with natural light. The kitchen features a big granite island, 42” soft-close cabinets, and plenty of storage. The spacious primary suite has an impressive walk-in closet, linen closet, and a luxurious

$540,000

3 beds2 baths1,678 sq ft

104 Quail Bluff Ct, Wentzville, MO 63385

7,727 sq ft lot • 2 garage spots • Built 2025

OPEN DEC 9, 12PM TO 4PM3D WALKTHROUGH

ABOUT THIS HOME
New Home for sale in St. Charles County, MO:
Gorgeous new Grandin Cambridge Cottage plan by Fischer Homes in beautiful Streets of Caledonia featuring a private 1st floor study with double doors. Open concept with an island kitchen with stainless steel appliances, upgraded multi-height maple cabinetry with soft-close hinges, durable quartz counters, pantry, and walk-out morning room, all open to the soaring 2-story family room with a fireplace with stone surround. The casual living room just off the kitchen could function as a formal dining room. Upstairs primary retreat with an en suite that includes a double bowl vanity, soaking tub, separate shower and large walk-in closet. There are 3 additional bedrooms, a centrally located hall b

$655,900

4 beds2.5 baths2,722 sq ft

165 Cardow Dr, O'fallon, MO 63368

Island kitchen • 8,368 sq ft lot • 3 garage spots

Property at 0 Tbb Mercer @caledonia, O Fallon, MO 63368, 3 beds, 2 baths

$416,000

3 beds2 baths1,539 sq ft

0 Tbb Mercer @caledonia, O Fallon, MO 63368

Property at 5034 Becks Landing Ln, St. Charles, MO 63301, 3 beds, 2.5 baths

$378,985

3 beds2.5 baths1,591 sq ft

5034 Becks Landing Ln, St. Charles, MO 63301

Property at 517 Beneficial Way St, Saint Charles, MO 63304, 4 beds, 3 baths

$728,474

4 beds3 baths3,204 sq ft

517 Beneficial Way St, Saint Charles, MO 63304

Listing provided by Zillow

Property at 202 Randlin Dr, Lake Saint Louis, MO 63368, 4 beds, 2.5 baths

$571,422

4 beds2.5 baths2,671 sq ft

202 Randlin Dr, Lake Saint Louis, MO 63368

Listing provided by Zillow

Property at 249 Randlin Dr, Lake Saint Louis, MO 63367, 3 beds, 2 baths

$636,618

3 beds2 baths2,064 sq ft

249 Randlin Dr, Lake Saint Louis, MO 63367

Listing provided by Zillow

Property at 242 Kerry Downs Dr, O Fallon, MO 63368, 4 beds, 2.5 baths

$608,900

4 beds2.5 baths2,745 sq ft

242 Kerry Downs Dr, O Fallon, MO 63368

Property at 300 Schaper Estates Xing Unit (Lot 27), Foristell, MO 63348, 3 beds, 2.5 baths

$893,375

3 beds2.5 baths2,720 sq ft

300 Schaper Estates Xing Unit (Lot 27), Foristell, MO 63348

Property at 5 Spinney Bough Ct, Wentzville, MO 63385, 2 beds, 2 baths

$465,000

2 beds2 baths1,758 sq ft

5 Spinney Bough Ct, Wentzville, MO 63385

Property at 229 Pierce View Cir Unit 29A, Wentzville, MO 63385, 3 beds, 3 baths

$560,000

3 beds3 baths2,850 sq ft

229 Pierce View Cir Unit 29A, Wentzville, MO 63385

Property at 116 Dardenne Place Dr, O Fallon, MO 63368, 2 beds, 2 baths

$475,000

2 beds2 baths1,561 sq ft

116 Dardenne Place Dr, O Fallon, MO 63368

Property at 3291 River Breeze Ct, Saint Charles, MO 63301, 4 beds, 2.5 baths

$539,900

4 beds2.5 baths2,490 sq ft

3291 River Breeze Ct, Saint Charles, MO 63301

Property at 142 Royal Troon Dr, O Fallon, MO 63368, 4 beds, 3.5 baths

$844,686

4 beds3.5 baths3,685 sq ft

142 Royal Troon Dr, O Fallon, MO 63368

Property at 540 Evening Primrose Dr, Wentzville, MO 63385, 4 beds, 3.5 baths

$499,900

4 beds3.5 baths2,940 sq ft

540 Evening Primrose Dr, Wentzville, MO 63385

Property at 3009 Bruce Trail Ct, Cottleville, MO 63304, 3 beds, 2 baths

$800,543

3 beds2 baths2,064 sq ft

3009 Bruce Trail Ct, Cottleville, MO 63304

Property at 104 Bell Blvd, Wentzville, MO 63385, 3 beds, 2.5 baths

$424,900

3 beds2.5 baths1,842 sq ft

104 Bell Blvd, Wentzville, MO 63385

Property at 5 Canebrake Ct, Wentzville, MO 63385, 4 beds, 3.5 baths

$875,000

4 beds3.5 baths3,820 sq ft

5 Canebrake Ct, Wentzville, MO 63385

Property at 138 Rhythm Point Dr, Saint Peters, MO 63376, 3 beds, 2 baths

$435,000

3 beds2 baths1,818 sq ft

138 Rhythm Point Dr, Saint Peters, MO 63376

Property at 201 Keaton Woods Dr, O Fallon, MO 63368, 3 beds, 3 baths

$649,863

3 beds3 baths2,450 sq ft

201 Keaton Woods Dr, O Fallon, MO 63368

Property at 513 Beneficial Way St, Saint Charles, MO 63304, 4 beds, 3 baths

$629,931

4 beds3 baths2,892 sq ft

513 Beneficial Way St, Saint Charles, MO 63304

Listing provided by Zillow

Property at 104 Long Pass Ct, Lake Saint Louis, MO 63367, 4 beds, 3.5 baths

$845,000

4 beds3.5 baths3,803 sq ft

104 Long Pass Ct, Lake Saint Louis, MO 63367

Property at 8027 Cotswald Trl, Cottleville, MO 63304, 4 beds, 3 baths

$723,933

4 beds3 baths2,892 sq ft

8027 Cotswald Trl, Cottleville, MO 63304

Listing provided by Zillow

Property at 109 Quail Bluff Ct, Wentzville, MO 63385, 3 beds, 3 baths

$499,500

3 beds3 baths2,463 sq ft

109 Quail Bluff Ct, Wentzville, MO 63385

Property at 130 Royal Troon Dr, O Fallon, MO 63368, 3 beds, 2.5 baths

$871,214

3 beds2.5 baths2,809 sq ft

130 Royal Troon Dr, O Fallon, MO 63368

Listing provided by Zillow

Property at 109 Sommers Creek Ct, Lake St Louis, MO 63367, 3 beds, 2 baths

$558,697

3 beds2 baths2,214 sq ft

109 Sommers Creek Ct, Lake St Louis, MO 63367

Listing provided by Zillow

Property at 0 Braxton @ Cedarstone, Dardenne Prairie, MO 63368, 5 beds, 3 baths

$564,900

5 beds3 baths3,546 sq ft

0 Braxton @ Cedarstone, Dardenne Prairie, MO 63368

Property at 121 Spoonbill Ln, Foristell, MO 63348, 4 beds, 3.5 baths

$1,199,500

4 beds3.5 baths3,517 sq ft

121 Spoonbill Ln, Foristell, MO 63348

Property at 2017 Butte Trail Ct, Cottleville, MO 63304, 4 beds, 2.5 baths

$820,266

4 beds2.5 baths2,956 sq ft

2017 Butte Trail Ct, Cottleville, MO 63304

Property at 8007 Cotswald Trl, Cottleville, MO 63304, 5 beds, 4 baths

$814,786

5 beds4 baths3,546 sq ft

8007 Cotswald Trl, Cottleville, MO 63304

Listing provided by Zillow

Property at 46 River Wind Dr, St Charles, MO 63301, 4 beds, 2 baths

$545,171

4 beds2 baths2,318 sq ft

46 River Wind Dr, St Charles, MO 63301

Listing provided by Zillow

Property at 317 Switchgrass Landing Ln, Cottleville, MO 63304, 4 beds, 3 baths

$764,900

4 beds3 baths3,204 sq ft

317 Switchgrass Landing Ln, Cottleville, MO 63304

Listing provided by Zillow

Property at 146 Haven Ridge Ct, O Fallon, MO 63368, 2 beds, 2 baths

$535,000

2 beds2 baths1,600 sq ft

146 Haven Ridge Ct, O Fallon, MO 63368

Property at 227 Pierce View Cir Unit 29B, Wentzville, MO 63385, 3 beds, 3 baths

$550,000

3 beds3 baths2,850 sq ft

227 Pierce View Cir Unit 29B, Wentzville, MO 63385

Property at 609 Brinton Ct, Wentzville, MO 63385, 3 beds, 2.5 baths

$446,863

3 beds2.5 baths2,059 sq ft

609 Brinton Ct, Wentzville, MO 63385

Listing provided by Zillow

Property at 101 Moorland Ln Unit SED1IA, Dardenne Prairie, MO 63368, 4 beds, 3.5 baths

$794,990

4 beds3.5 baths3,292 sq ft

101 Moorland Ln Unit SED1IA, Dardenne Prairie, MO 63368

Listing provided by Zillow

Property at 2009 Butte Trail Ct, Cottleville, MO 63304, 4 beds, 2.5 baths

$759,062

4 beds2.5 baths2,671 sq ft

2009 Butte Trail Ct, Cottleville, MO 63304

Listing provided by Zillow

Property at 554 Wheatfield Cir, O'fallon, MO 63385, 3 beds, 2.5 baths

$469,535

3 beds2.5 baths1,749 sq ft

554 Wheatfield Cir, O'fallon, MO 63385

Listing provided by Zillow

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Based on information submitted to the MLS GRID as of Sat Dec 06 2025. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

New Homes for Sale in St. Charles County

There are currently 129 new homes for sale in St. Charles County at a median listing price of $400K. Some of these homes are "Hot Homes," meaning they're likely to sell quickly. Most homes for sale in St. Charles County stay on the market for 54 days and receive 11 offers. This map is refreshed with the newest listings in St. Charles County every 15 minutes.

In the past month, 416 homes have been sold in St. Charles County. In addition to houses in St. Charles County, there were also 120 condos, 65 townhouses, and 10 multi-family units for sale in St. Charles County last month. Find your dream home in St. Charles County using the tools above. Use filters to narrow your search by price, square feet, beds, and baths to find homes that fit your criteria. Our top-rated real estate agents in St. Charles County are local experts and are ready to answer your questions about properties, neighborhoods, schools, and the newest listings for sale in St. Charles County. If you're looking to sell your home in the St. Charles County area, our listing agents can help you get the best price. Redfin is redefining real estate and the home buying process in St. Charles County with industry-leading technology, full-service agents, and lower fees that provide a better value for Redfin buyers and sellers.

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