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Pending
    • Listed by: Dielmann Sotheby's International Realty • Katie McLaughlin • Contact: 314-283-8444
    $775,000

    1121 S Main St #403, Saint Charles, MO 63301

    2beds
    1,544sqft
    : 
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    Condominium
    Built in 2025
    -- sqft lot
    $-- Zestimate®
    $502/sqft
    $562/mo HOA

    What's special

    Quartz countertopsDesigner finishesChef-inspired kitchenStainless steel appliancesHand-selected materialsSoaring ceilingsExpansive windows
    Elevate your lifestyle at The Augusta on Main, where timeless charm meets elevated modern luxury. This exclusive 2-bedroom, 2-bathroom penthouse offers an unparalleled living experience in the heart of Historic Main Street, St. Charles—just steps from vibrant restaurants, boutique shops, and riverfront trails. Every detail in this top-floor residence has been thoughtfully designed, from the soaring ceilings and expansive windows to the designer finishes and hand-selected materials that bring both comfort and sophistication to every space. The chef-inspired kitchen features stainless steel appliances, quartz countertops, and custom cabinetry that opens seamlessly into a light-filled living and dining area—perfect for entertaining or relaxing in refined comfort. This penthouse also includes dedicated parking, access to an on-site fitness center, and an exclusive rooftop deck with sweeping views of downtown St. Charles—ideal for enjoying coffee at sunrise or cocktails at sunset. This is your opportunity to own a one-of-a-kind penthouse in one of the region’s most desirable walkable neighborhoods. Only 4 units available.
    154 days
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    7
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    0
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    Zillow last checked:

    Listing updated:

    Listed by:

    Katie McLaughlin 314-283-8444,

    Dielmann Sotheby's International Realty

    Source: MARIS,MLS#: 26006248MLS LogoOriginating MLS: St. Louis Association of REALTORS

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 2
      • Bathrooms: 2
      • Full bathrooms: 2
      • Main level bathrooms: 2
      • Main level bedrooms: 2
      Heating
      • Forced Air
      Cooling
      • Central Air
      Appliances
      • Included: Cooktop, Dishwasher, Disposal, Microwave, Oven, Refrigerator, Washer/Dryer
      Features
      • Ceiling Fan(s), Crown Molding, Custom Cabinetry, Eat-in Kitchen, High Ceilings, Kitchen Island, Open Floorplan, Recessed Lighting
      • Flooring: Carpet, Ceramic Tile, Luxury Vinyl
      • Doors: Panel Door(s)
      • Number of fireplaces: 1
      • Fireplace features: Living Room
      Interior area
      • Total structure area: 1,544
      • Total interior livable area: 1,544 sqft
      • Finished area above ground: 1,544

      Property

      Parking
      • Total spaces: 1
      • Parking features: Garage - Attached
      • Attached garage spaces: 1
      Features
      • Levels: One
      • Exterior features: Barbecue, Courtyard
      Lot
      • Size: 7,000 Square Feet
      • Features: Level
      Details
      • Parcel number: 6014A4361000006.0000000
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: Condo
      • Architectural style: High-Rise-4+ Stories
      • Property subtype: Condominium
      Materials
      • Board & Batten Siding, Brick
      Condition
      • New construction: Yes
      • Year built: 2025
      Details
      • Warranty included: Yes

      Utilities & green energy

      • Electric: Ameren
      • Sewer: Public Sewer
      • Water: Public
      • Utilities for property: Cable Available

      Community & HOA

      Community
      • Subdivision: Montgomery Sub
      HOA
      • Has HOA: Yes
      • Amenities included: Association Management, Common Ground, Elevator(s), Game Room, Meeting Room, Parking, Party Room, Roof Deck, Sauna
      • Services included: Insurance, Maintenance Grounds, Maintenance Parking/Roads, Common Area Maintenance, Exterior Maintenance, Management, Pest Control, Roof, Sewer, Snow Removal, Trash, Water
      • HOA fee: $562 monthly
      • HOA name: Augusta Home Owners Assoc, LLC
      Location
      • Region: Saint Charles

      Financial & listing details

      • Price per square foot: $502/sqft
      • Date on market: 2/4/2026
      • Cumulative days on market: 340 days
      • Listing terms: Cash,Conventional

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        3/30/2026Pending sale$775,000$502/sqft
        Source: MARIS #26006248 Report a problem
        2/4/2026Listed for sale$775,000$502/sqft
        Source: MARIS #26006248 Report a problem

        Public tax history

        Tax history is unavailable.

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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        Climate risks

        Neighborhood: 63301

        Getting around

        74 / 100
        Very Walkable
        56 / 100
        Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Lincoln Elem.
        • Middle: Jefferson / Hardin
        • High: St. Charles High

        Source: MARIS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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