643 Marshall Avenue, St Louis, MO 63119

• 6 beds |
• 5 baths |
• 4,292 sqft

Property Description

Rare luxury new construction in Webster Groves offering exceptional design, high-end finishes, and nearly half an acre of deep backyard space — an opportunity seldom found in this established community. The main level showcases beautiful white oak hardwood flooring throughout, a dedicated office, and a spacious open-concept layout designed for modern living. The gourmet kitchen features exquisite custom cabinetry, quartz countertops, large waterfall island, and seamless flow into the living area, creating an ideal setting for entertaining. A main-floor bedroom + accessible full bath provides flexibility for guests or multigenerational living, along with a main-floor laundry + mudroom — one of two thoughtfully placed laundry areas in the home. Upstairs, you’ll find four generously sized bedrooms including a luxurious primary suite. Equipped with a soaking tub, a spacious spa like shower with a bench and double rain heads, custom white oak vanities with a makeup area between, and a custom walk-in closet. As for the other bedrooms, two bedrooms share a Jack-and-Jill bathroom, while another offers its own private ensuite — all featuring custom closet shelving for exceptional organization. A spacious second-floor luxury laundry room adds everyday ease and efficiency. The finished lower level provides an expansive open rec room complete with a wet bar and beverage cooler, ideal for entertaining or additional living space. A bedroom and full bath offer excellent guest accommodations, while two oversized storage rooms provide incredible flexibility for a home gym, hobby space, or future expansion. Outside, the property offers a large covered patio, private attached two-car garage, large additional parking pad, and a rare deep backyard providing exceptional outdoor space not often found in newer construction. Located within the highly sought-after Webster Groves School District and walkable to Avery Elementary, parks, local dining, coffee shops, and retail, this home presents a truly rare opportunity to enjoy luxury new construction in Webster Groves.

Listing Status:

Active

Date Added:

March 8, 2026

Data Last Updated:

April 11, 2026 at 7:16AM

Listing Office:

ReeceNichols Real Estate : 314-997-7600

MLS ID:

26003609

Interior

• General: BookcasesBreakfast RoomChandelierCustom CabinetryDining/Living Room ComboHigh CeilingsKitchen IslandNatural WoodworkMaster DownstairsSeparate ShowerSmart ThermostatSolid Surface Countertop(s)Tray Ceiling(s)Vaulted Ceiling(s)Walk-In Closet(s)
• Appliances: ENERGY STAR Qualified AppliancesDishwasherENERGY STAR Qualified DishwasherDryerHumidifierIce MakerRangeElectric RangeGas RangeVented Exhaust FanWasherWasher/Dryer StackedWater HeaterENERGY STAR Qualified Water Heater
• Laundry: Laundry ClosetMain LevelUpper Level
• Basement: ConcreteEgress WindowPartially FinishedFullStorage SpaceSump PumpWalk-Out Access
• Flooring: Ceramic TileHardwoodLuxury Vinyl
• A/C: Ceiling Fan(s)Central AirElectricHeat Pump
• Heating: DuctlessForced AirNatural Gas
• Fireplace: GasGas StarterLiving RoomFireplaceFireplaces: 1
• Eco/Green Feature: Windows

Exterior

• General: Entry Steps/StairsLightingPrivate Entrance
• Style: Modern
• Other Structures: Front PorchPatio
• Parking: AttachedGarageGarage Door OpenerGarage Faces Rear

Construction

• Roofing: Shingle
• General: AsphaltBlockConcreteStuccoTwo

Location

• Originating MLS: maris2
• School District: Webster Groves
• County: St. Louis

Lot

• Zoning: 22K-63-0463

Utilities

• Utilities: Electricity ConnectedNatural Gas ConnectedSewer ConnectedWater ConnectedAmeren
• Water: Public
• Sewer: Public Sewer

Financial

• Source: maris2
• Ownership: Private