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  • Listed by: Keller Williams Realty St. Louis • Lauren M Risley
    $750,000

    1870 Highway K St, Saint Clair, MO 63077

    5beds
    4,430sqft
    : 
    $4,822/mo
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    Single Family Residence
    Built in 2023
    10 Acres Lot
    $739,500 Zestimate®
    $169/sqft
    $-- HOA

    What's special

    Second fireplaceRiverfront accessWalkout lower levelQuartz countertopsInviting front porchTwo-car attached garageAmple additional parking
    Set on an impressive 10-acre estate along the Meramec River, this exquisite residence offers over 4,400 square feet of thoughtfully designed living space and a rare blend of refined elegance, breathtaking views, and serene countryside living. From its striking curb appeal to the inviting front porch, every detail welcomes you into a home designed for both comfort and sophistication. Surrounded by natural beauty, the property features its own private nature trails winding through the landscape—perfect for morning walks, peaceful escapes, or exploring your own slice of riverfront paradise. Whether you’re enjoying coffee overlooking the water or unwinding with sunset views across the tree-lined grounds, this setting delivers a truly unmatched sense of tranquility. Inside, rich hardwood floors and soaring vaulted ceilings define the main level, where an expansive open-concept design creates a seamless flow between the living, dining, and kitchen spaces. The gourmet kitchen is a true showpiece, appointed with quartz countertops, a generous center island with a breakfast bar, premium stainless steel appliances, and abundant custom cabinetry. A spacious walk-in pantry and adjacent laundry room add both convenience and functionality. The grand living room is anchored by a stunning fireplace with an elegant mantel, flanked by dual sets of sliding glass doors that flood the space with natural light and open to a private balcony—perfectly positioned to capture the stunning views of the surrounding landscape and river below. The primary suite is a luxurious retreat, featuring a walk-in closet with custom built-ins and a spa-inspired en-suite bath complete with dual vanities, a soaking tub, and a separate shower. A secondary bedroom with a full bath and an additional powder room provide thoughtful accommodations for guests. The walkout lower level is designed for elevated living and entertaining, offering three additional bedrooms, a full bath, and a spacious family room highlighted by a second fireplace and expansive sliding doors leading to a covered patio that spans the length of the home—seamlessly blending indoor comfort with outdoor beauty. Additional flexible spaces include a bonus room, storage area, and utility room. A two-car attached garage and ample additional parking complete this exceptional offering—an unparalleled opportunity to enjoy privacy, space, private trails, riverfront access and timeless luxury in one of the area’s most picturesque settings.
    15 days
    |
    1,251
    |
    61
    |

    Likely to sell faster than

    Zillow last checked:

    Listing updated:

    Listed by:

    Lauren M Risley 314-517-3165,

    Keller Williams Realty St. Louis,

    Adam R Bundren 314-226-6248,

    Keller Williams Realty St. Louis

    Source: MARIS,MLS#: 26046261MLS LogoOriginating MLS: St. Louis Association of REALTORS

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 5
      • Bathrooms: 4
      • Full bathrooms: 3
      • 1/2 bathrooms: 1
      • Main level bathrooms: 3
      • Main level bedrooms: 2
      Primary bedroom
      • Features: Floor Covering: Wood
      • Level: Main
      • Area: 390
      • Dimensions: 26x15
      Bedroom 2
      • Features: Floor Covering: Wood
      • Level: Main
      • Area: 154
      • Dimensions: 14x11
      Bedroom 3
      • Features: Floor Covering: Wood
      • Level: Lower
      • Area: 360
      • Dimensions: 24x15
      Bedroom 4
      • Features: Floor Covering: Wood
      • Level: Lower
      • Area: 285
      • Dimensions: 19x15
      Bedroom 5
      • Features: Floor Covering: Wood
      • Level: Lower
      • Area: 200
      • Dimensions: 20x10
      Bonus room
      • Level: Lower
      • Area: 300
      • Dimensions: 20x15
      Dining room
      • Features: Floor Covering: Wood
      • Level: Main
      • Area: 220
      • Dimensions: 20x11
      Family room
      • Features: Floor Covering: Wood
      • Level: Lower
      • Area: 744
      • Dimensions: 31x24
      Kitchen
      • Features: Floor Covering: Wood
      • Level: Main
      • Area: 240
      • Dimensions: 20x12
      Living room
      • Features: Floor Covering: Wood
      • Level: Main
      • Area: 540
      • Dimensions: 30x18
      Heating
      • Electric, Heat Pump
      Cooling
      • Central Air
      Appliances
      • Included: Stainless Steel Appliance(s), Dishwasher, Disposal, Ice Maker, Electric Oven, Range Hood, Electric Range, Refrigerator
      • Laundry: In Basement, Main Level
      Features
      • Breakfast Bar, Ceiling Fan(s), Eat-in Kitchen, High Ceilings, Kitchen Island, Kitchen/Dining Room Combo, Open Floorplan, Separate Shower, Shower, Soaking Tub, Vaulted Ceiling(s), Walk-In Closet(s), Walk-In Pantry
      • Flooring: Wood
      • Doors: Panel Door(s), Sliding Doors
      • Basement: Partially Finished,Full
      • Number of fireplaces: 2
      • Fireplace features: Electric, Family Room, Living Room
      Interior area
      • Total structure area: 4,430
      • Total interior livable area: 4,430 sqft
      • Finished area above ground: 2,744

      Property

      Parking
      • Total spaces: 2
      • Parking features: Additional Parking, Attached
      • Attached garage spaces: 2
      Features
      • Levels: One
      • Patio & porch: Covered, Deck, Front Porch
      Lot
      • Size: 10 Acres
      • Features: Adjoins Wooded Area
      Details
      • Additional structures: Shed(s)
      • Parcel number: 3030803001015000
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Traditional
      • Property subtype: Single Family Residence
      Materials
      • Vinyl Siding
      Condition
      • Year built: 2023

      Utilities & green energy

      • Electric: Other
      • Sewer: Septic Tank
      • Water: Well

      Community & HOA

      Community
      • Subdivision: Piney Bluff Park
      HOA
      • Has HOA: No
      Location
      • Region: Saint Clair

      Financial & listing details

      • Price per square foot: $169/sqft
      • Tax assessed value: $471,110
      • Annual tax amount: $6,109
      • Date on market: 7/20/2026
      • Cumulative days on market: 103 days
      • Listing terms: Cash,Conventional

        Estimated market value

        $739,500

        $703,000 - $776,000

        $4,246/mo

        Price history

        DateEventPrice
        7/20/2026Listed for sale$750,000-3.2%$169/sqft
        Source: MARIS #26046261 Report a problem
        7/20/2026Listing removed$775,000$175/sqft
        Source: MARIS #26019166 Report a problem
        5/14/2026Price change$775,000-3.1%$175/sqft
        Source: MARIS #26019166 Report a problem
        4/23/2026Listed for sale$800,000$181/sqft
        Source: MARIS #26019166 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2024$4,815 +2028.4%$88,321 +2064.7%
        2023$226 +1.4%$4,080
        2022$223 +0.2%$4,080
        2021$223 -4.1%$4,080
        2020$232 -0.3%$4,080
        2019$233 +0.1%$4,080
        2017$233 +8.8%$4,080
        2016$214 $4,080
        2015$214 $4,080
        2014$214 $4,080
        2013-- $4,080
        2012-- $4,080
        2011-- $4,080
        2010-- $4,080
        2009-- $4,080 +22.7%
        2002$174 +0.4%$3,325
        2001$173 +11%$3,325
        2000$156 $3,325
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

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        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: 63077

        Getting around

        0 / 100
        Car-Dependent

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: St. Clair Elem.
        • Middle: St. Clair Jr. High
        • High: St. Clair 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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