$1,800,000
643 Marshall Avenue
St Louis, MO, 63119
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.
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.
Property Details
Price:
$1,800,000
MLS #:
MIS26003609
Status:
Active
Beds:
6
Baths:
5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Town Of Fairview
Neighborhood:
256webstergroves
Listed Date:
Mar 8, 2026
Finished Sq Ft:
4,292
Lot Size:
20,473 sqft / 0.47 acres (approx)
Year Built:
2025
Schools
School District:
Webster Groves
Elementary School:
Avery Elem.
Middle School:
Hixson Middle
High School:
Webster Groves High
Interior
Above Grade Finished Area
3485
Appliances
ENERGY STAR Qualified Appliances, Dishwasher, ENERGY STAR Qualified Dishwasher, Dryer, Humidifier, Ice Maker, Range, Electric Range, Gas Range, Vented Exhaust Fan, Washer, Washer/Dryer Stacked, Water Heater, ENERGY STAR Qualified Water Heater
Bathrooms
4 Full Bathrooms, 1 Half Bathroom
Below Grade Finished Area
807
Cooling
Ceiling Fan(s), Central Air, Electric, Heat Pump
Fireplaces Total
1
Flooring
Ceramic Tile, Hardwood, Luxury Vinyl
Heating
Ductless, Forced Air, Natural Gas
Interior Features
Bookcases, Breakfast Room, Chandelier, Custom Cabinetry, Dining/Living Room Combo, High Ceilings, Kitchen Island, Natural Woodwork, Master Downstairs, Separate Shower, Smart Thermostat, Solid Surface Countertop(s), Tray Ceiling(s), Vaulted Ceiling(s), Walk-In Closet(s)
Laundry Features
Laundry Closet, Main Level, Upper Level
Levels
Two
Main Level Bedrooms
1
Exterior
Architectural Style
Modern
Attached Garage YN
1
Construction Materials
Asphalt, Block, Concrete, Stucco
Exterior Features
Entry Steps/Stairs, Lighting, Private Entrance
Garage Spaces
2
Green Energy Efficient
Windows
Lot Features
Few Trees, Private
New Construction YN
1
Parking Features
Attached, Garage, Garage Door Opener, Garage Faces Rear
Patio And Porch Features
Front Porch, Patio
Roof
Shingle
Security Features
Smoke Detector(s)
Financial
Tax Year
2025
Taxes
$2,984
Kahn & Busk Real Estate Partners have earned the top team spot at Coldwell Banker Premier Group for several years in a row! We are dedicated to helping our clients with all of their residential real estate needs. Whether you are a first time buyer or looking to downsize, we can help you with buying your next home and selling your current house. We have over 25 years of experience in the real estate industry in Eureka, St. Louis and surrounding areas.
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Current real estate data for Single Family in St Louis as of Apr 18, 2026
1,789
Single Family Listed
62
Avg DOM
151
Avg $ / SqFt
$285,870
Avg List Price
Community
- Address643 Marshall Avenue St Louis MO
- SubdivisionTown Of Fairview
- CitySt Louis
- CountySt. Louis
- Zip Code63119
Similar Listings Nearby
Property Summary
- Located in the Town Of Fairview subdivision, 643 Marshall Avenue St Louis MO is a Single Family for sale in St Louis, MO, 63119. It is listed for $1,800,000 and features 6 beds, 5 baths, and has approximately 4,292 square feet of living space, and was originally constructed in 2025. The current price per square foot is $419. The average price per square foot for Single Family listings in St Louis is $151. The average listing price for Single Family in St Louis is $285,870.

Copyright 2026. All rights reserved.
643 Marshall Avenue
St Louis, MO



