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1950 Diehr Road, O'Fallon, MO, 63385

Set behind a private tree-lined setting on more than 5 acres, this exceptional custom-built ranch offers a rare combination of refined craftsmanship, expansive living spaces, and resort-style outdoor living. Thoughtfully designed with an unmistakable attention to detail, the home welcomes you with 12' ceilings, 8' interior doors, striking light fixtures, coffered and wood-beamed ceilings, and an abundance of natural light throughout. The heart of the home is a true chef’s kitchen, beautifully appointed with granite countertops, an oversized center island with breakfast bar and farmhouse sink, professional-style gas range with multiple burners, heavy-duty cast-iron grates, integrated griddle and pot filler, and a dramatic stone surround with stainless steel hood. A sleek oversized French-door refrigerator, built-in microwave, and large walk-in pantry with extensive shelving add both style and function. The kitchen opens seamlessly to a charming breakfast nook and inviting hearth room, where a floor-to-ceiling stone fireplace creates a warm gathering space surrounded by windows on multiple sides. Just off the entry, the elegant living room makes a statement with a gorgeous chandelier, accent ceiling details, and French doors leading to the covered back deck, complete with an outdoor fireplace—creating an effortless extension of the living space. The main-level primary suite is privately positioned behind French doors and offers a spa-inspired retreat with dual sinks with granite counters, a large jetted tub, and an impressive 6' x 6' tiled shower with bench seating and three shower heads, including a waterfall feature. The spacious walk-in closet connects directly to the laundry room, which is also accessible from the main hallway. Three additional main-level bedrooms each feature generous walk-in closets and private en suite baths, offering exceptional comfort and privacy for family and guests. A dedicated home office, powder room, and thoughtfully designed mudroom/drop zone with cubby-style storage complete the main level. The finished walkout lower level expands the home’s living and entertaining possibilities with a fifth bedroom featuring its own private flex area, walk-in closet, and en suite bath. A spacious recreation room spans much of the lower level and includes a beautifully finished bar and kitchen with quartz countertops, refrigerator, dishwasher, microwave, and beverage cooler. A separate flex space behind French doors offers endless possibilities for a home office, fitness room, craft space, gaming area, or additional lounge. A second half bath adds convenience, while abundant lookout windows and walkout access bring natural light into the lower level. Outside, the setting is nothing short of spectacular. Surrounded by mature trees for exceptional privacy, the expansive backyard is designed for both relaxation and entertaining with a large saltwater pool, dedicated fire pit area, fenced yard, irrigation system, and plenty of room to gather, dine, and enjoy the outdoors. An oversized three-car garage provides ample space for vehicles, storage, and everyday living. A truly special property where sophisticated design, thoughtful functionality, and an extraordinary private setting come together—offering the space, craftsmanship, and lifestyle rarely found in one remarkable home.

Subdivision: Spartan Estates

List Price

$ 1,750,000

Status

Active

Days on market

0

MLS#

26049982

Bedrooms

5

Full baths

7

Sq. Ft. Above

5,728

Sq. Ft. Below

2,270

Subdivision

Spartan Estates

Municipality

O'Fallon

School District

Wentzville R-IV

County

St Charles

Property Type

Residential

Style

Ranch,Traditional

Type

Residential

Additional Information

Property Tax (2025)

$15,553

Recent Nearby Sales in 63385

Last 6 closed homes in this zip.

Address Bd/Ba SqFt List Sold Closed
679 Dundee Court, Wentzville, MO 63385 3/2 1,008 $2,000 $2,000
100% of ask
Sep 5, 2026
1802 Barclay Trail Drive, Wentzville, MO 63385 4/4 2,093 $525,000 $515,000
98.1% of ask
Sep 4, 2026
520 Wilmer Hollow Lane, Wentzville, MO 63385 3/2 1,748 $364,900 $370,000
101.4% of ask
Sep 3, 2026
22 Colonial Creek Court, Wentzville, MO 63385 3/2 1,326 $309,900 $300,000
96.8% of ask
Sep 3, 2026
646 Fair Bluff Drive, Wentzville, MO 63385 3/3 1,708 $2,200 $2,200
100% of ask
Sep 1, 2026
729 Barnwood Hill Drive, O'Fallon, MO 63385 3/3 1,492 $568,217 $553,217
97.4% of ask
Sep 1, 2026

Price & Listing History

Listed for sale
Aug 26, 2026 at $1,750,000
Current status: Active
As of Aug 26, 2026 · $1,750,000

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Room Dimensions

Room Type

Living Room

Room Dimensions

20x19

Kitchen

23x16

Breakfast Room

10x9

Hearth Room

16x16

Office

9x7

Bathroom

5x5

Mud Room

13x9

Laundry

10x9

Primary Bathroom

16x14

Primary Bedroom

16x14

Bedroom

17x14

Bathroom

7x5

Bedroom

15x11

Bathroom

9x6

Bedroom

14x12

Bathroom

9x5

Bedroom

25x18

Bathroom

14x6

Bonus Room

20x11

Bathroom

14x5

Recreation Room

36x23

Recreation Room

20x12

Recreation Room

25x16