# 403 River Crest Crossing, O'Fallon, MO 63366 > **TL;DR:** 3bd/2ba single family, $639,900 ($326/sqft), built 2026, 1,960 sqft. > Fireplace, A/C, 4-car garage. Est. $3,923/mo. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $639,900 | | Price/sqft | $326 | | Bedrooms | 3 | | Bathrooms | 2 full | | Square Feet | 1,960 | | Year Built | 2026 | | Lot Size | 14,375 sqft (0.33 acres) | | Stories | 1 | | Garage | 4-car | | Property Type | Single Family (Single Family Residence) | | Status | Active | | Days on Market | 0 | ## Why This Home Stands Out - **Large Garage** - 4-car garage ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $3,236 | | Estimated Insurance | $187 | | HOA | $500 | | **Total** | **$3,923** | ## Nearby Schools - **Elementary:** Westhoff Elem. - **Middle:** Ft. Zumwalt North Middle - **High:** Ft. Zumwalt North High ## Key Amenities - Fireplace - A/C - 4-car garage ## Property Highlights - Built in 2026 - 0.33 acre lot - Fireplace ## Description ### Agent Description This Spacious Ranch Home Under Construction will be Available in Mid October. This Home is being built on a Walkout Lot next to a Lake & has a 4 Car Garage with a 2' Extension. The Great Room, Kitchen & Breakfast Room have 11' Tall Ceilings & 9' Tall Ceilings in all the other rooms. The DV Fireplace has Stone w/ a Raised Stone Hearth. The Fireplace has Windows on each side with Transoms above, Laminate Floors & Can Lighting. The Kitchen has 42" Staggered, Soft Closed Cabinets w/ Crown Molding, Cambria Countertops, a Blanco Super Single Kitchen Sink, a Kitchen Island, Under Cabinet Lighting, a Huge Walk In Pantry, Laminate Floors & Can Lighting. The Primary Bath has a 5' Shower, Double Bowl, Adult Height Vanities, Upgrade Countertop, Wave Sink Bowls & Moen Matte Black Faucets. Other Features in this Home Include Iron Spindles, 8' Tall Interior Doors w/ Matte Black Hardware, 5 1/4" Base, 3 1/4" Door Casing, a 3 Panel Glass Slider with a Transom above in the Breakfast Room, Custom Paint Color, Exterior Soffit Lighting, a 24' x 18' Concrete Patio & a Fully Sodded Yard. ## Location - **Address:** 403 River Crest Crossing, O'Fallon, MO 63366 - **County:** St. Charles - **Neighborhood:** The Grove at Riverdale - **Coordinates:** 38.88456453, -90.74068378 - **Google Maps:** https://www.google.com/maps?q=38.88456453,-90.74068378 ## Listing Agent - **Name:** Kristin Gansman - **Brokerage:** STL Buy & Sell, REALTORS - **Broker Phone:** (636) 442-1333 - **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/403-River-Crest-Xing_O-Fallon_MO_63366_M92052-57923?f=listhub&s=MARISMO&m=26053133&c=propsimple) ## Photos ![403 River Crest Crossing - Photo 1](http://lh.rdcpix.com/d5b6906ac057b9d02bfe52d8c3c1d27al-f1194924474r.jpg) --- **MLS#:** 26053133 | **Updated:** 2026-10-23 **Source:** listhub *Copyright © 2026 Mid America Regional Information Systems, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.* [View on PropertySimple](https://www.propertysimple.ai/listing/403-river-crest-crossing-o-fallon-mo-63366-2628c8e541634bcbac68989c3f3b2b5b) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://www.propertysimple.ai/listing/403-river-crest-crossing-o-fallon-mo-63366-2628c8e541634bcbac68989c3f3b2b5b#listing", "url": "https://www.propertysimple.ai/listing/403-river-crest-crossing-o-fallon-mo-63366-2628c8e541634bcbac68989c3f3b2b5b", "name": "403 River Crest Crossing, O'Fallon, MO 63366", "description": "This Spacious Ranch Home Under Construction will be Available in Mid October. This Home is being built on a Walkout Lot next to a Lake & has a 4 Car Garage with a 2' Extension. The Great Room, Kitchen & Breakfast Room have 11' Tall Ceilings & 9' Tall Ceilings in all the other rooms. The DV Fireplace has Stone w/ a Raised Stone Hearth. The Fireplace has Windows on each side with Transoms above, Laminate Floors & Can Lighting. The Kitchen has 42\" Staggered, Soft Closed Cabinets w/ Crown Molding, Cambria Countertops, a Blanco Super Single Kitchen Sink, a Kitchen Island, Under Cabinet Lighting, a Huge Walk In Pantry, Laminate Floors & Can Lighting. The Primary Bath has a 5' Shower, Double Bowl, Adult Height Vanities, Upgrade Countertop, Wave Sink Bowls & Moen Matte Black Faucets. 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