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Klaus Bank and Jenni Green Bank
Green and Bank Realty Group
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3 Rainier Court , O Fallon, MO 63366

$874,900
  • 3 Rainier Court , O Fallon, MO 63366 Main Photo

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New to the Market Active
BEDS5 BATHS4 full SQUARE FEET4,983 MLS#26035863
STATUSActive PROPERTY TYPEResidential - Single Family SUBDIVISIONSummit Estates SCHOOLFt Zumwalt R-II

Property Description

Welcome to your DREAM HOME, where country living meets convenience, just minutes from town. This spectacular custom-built, mostly brick ranch sits on a 3-acre lot in highly sought-after St Paul. It is nestled on a quiet cul-de-sac in the prestigious Summit Estates Subdivision. Boasting nearly 5,000 finished square feet, a 4-car oversized garage and an open floor plan, this home offers luxury, serenity, and ample space for both entertaining and daily living. ----- Step inside to discover soaring 11-foot ceilings and beautiful hardwood floors throughout much of the main level. The expansive great room, featuring a gas fireplace, opens to a massive 56' x 14' deck that overlooks the private backyard. Adjacent to the great room is a formal living room and dining room, ideal for hosting guests. The gourmet kitchen impresses with rich hickory cabinets, granite countertops, a double oven, pantry, stainless steel appliances, and a spacious bay-window breakfast area. (Dishwasher & Refrigerator are 1 yr old). ----- The luxurious primary suite provides a true retreat experience, complete with a gas fireplace, private sitting area, two walk-in closets, and a BRAND-NEW SPA LIKE BATHROOM featuring dual vanities, quartz counters, a soaking tub, and an oversized walk-in shower. Private deck access from the primary suite leads directly to the relaxing two-year-old hot tub or a place to sit & enjoy the birdsong & your morning coffee. A thoughtful split-bedroom design offers two additional generously sized main-level bedrooms each with their own full baths, and a bright office / den with a bay window and peaceful wooded view. ----- Downstairs, the walk-out lower level is designed for entertaining, offering a spacious family room, billiards and game area, impressive wet bar, two additional large bedrooms-including one wired for a media or theater room-another full bath, and abundant storage. Stepping out from this level, you'll find a sprawling patio that seamlessly transitions to a fully fenced backyard, bordered by tranquil woods for unparalleled privacy. The expansive outdoor space is perfect for hosting memorable family barbecues, providing ample room for gatherings both large and small. Children and dogs alike will enjoy the freedom to play and explore. ----- Additional features include an oversized four-car side-entry garage with new doors and a second staircase to the lower level, a circle driveway with ample parking & aggregate trim, a porte-cochere covered drive through with newer stamped patio at the front entry to keep you protected from the elements, a front yard in-ground sprinkler system, newer retaining wall, attic fan, water softener, dual HVAC systems and water heaters, and a main-floor laundry room with laundry sink & additional hookups on the lower level. Included with the home are the two-year-old hot tub, one-year-old stainless-steel refrigerator, one-year-old washer and dryer, and a lower-level wine cooler. This exceptional property is t

3 Rainier Court | MLS# 26035863

This single family home located at 3 Rainier Court , O Fallon, MO 63366 is currently listed for sale with an asking price of $874,900. This property was built in 1999 and has 5 bedrooms and 4 full baths with 4983 sq. ft. Rainier Court is located in the Summit Estates subdivision within the Ft Zumwalt R-II school district. Search Summit Estates real estate on klausbank.redkeystlouis.com today.

Property Features

Property Type: Residential - Single Family
Basement: Bathroom, Concrete, Partially Finished, Full, Sleeping Area, Walk-Out Access
Basement: Yes
Cooling: Attic Fan, Ceiling Fan(s), Central Air, Dual
Garage: 4 car attached
Heating: Forced Air, Natural Gas
Home Style: Ranch
Lot Size: 3.00 Acres
Roof Type: Architectural Shingle
Taxes: $8,813
Year Built: 1999

Feature Descriptions

Appliances: Electric Cooktop, Dishwasher, Disposal, Dryer, Microwave, Double Oven, Refrigerator, Washer, Water Softener, Wine Refrigerator
Association Amenities: Other
Exterior: Brick, Vinyl Siding
Fireplace: Great Room, Master Bedroom
HOA Fee: $750/ Annually
Lot: Cul-De-Sac, Wooded
Lot Dimensions: irr
Parcel#: 2-0105-7743-00-0006.0000000
Sewer: Septic Tank
SQFT. Above Grade: 2965
SQFT. Below Grade: 2018
Utilities: Electricity Connected, Natural Gas Connected, Underground Utilities, Water Connected
Water: Well

Room Sizes

Great Room: 27x24
Living Room: 21x15
Dining Room: 20x15
Breakfast Room: 12x12
Kitchen: 12x9
Den: 15x13
Bedroom 2: 16x13
Bedroom 3: 16x11
Primary Bedroom: 31x15
Laundry: 8x7
Recreation Room: 59x27
Bedroom 4: 19x16
Bedroom 5: 17x16
Storage: 51x45

Local Schools

High School: Ft. Zumwalt North High
Middle School: Ft. Zumwalt North Middle
Elementary School: Mount Hope Elem.
School District: Ft Zumwalt R-II

Listed By / Shown By

Listed By

Agency Name: Fox & Riley Real Estate

Shown By

Agent Name: Klaus Bank and Jenni Green Bank
Agent Phone: Cell: 314.920.3986
Agency Title: RedKey Realty Leaders

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Estimated Payment

$ 5,756.17 per month $4,766.58 Principal & Interest $734.42 Property Tax $255.18 Homeowner's Insurance

Change Payment Information

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David Ames, Sales Manager, NMLS #738479

Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 06/08/2026. The listing information on this page last changed on 06/08/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Mon 06/08/2026 12:34:53 AM EST) or MARIS MLS (last updated Mon 06/08/2026 12:11:25 AM EST). Real estate listings held by brokerage firms other than RedKey Realty Leaders may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.

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