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    • Price cut: $100K (7/2)
    $1,850,000

    21626 18th STREET, Union Grove, WI 53182

    3beds
    3,710sqft
    : 
    $11,133/mo
    Get pre-qualified
    Single Family Residence
    Built in 2000
    23.71 Acres Lot
    $1,735,700 Zestimate®
    $499/sqft
    $-- HOA

    What's special

    Warm wood finishesLong horizontal linesArt deco-stained glass accentsNatural sedona stonePrivate pond
    Combining architectural significance with exceptional privacy, this 23+ acre estate offers a harmonious connection between luxury living and the natural world! Custom built 3710 sq/ft Frank Lloyd Wright-inspired design w/long horizontal lines, expansive walls of floor-ceiling glass, natural Sedona stone, & warm wood finishes create a residence that feels organically rooted in its surroundings. The wall of shelving in the foyer is just one of many built-ins. Crafted living spaces for both privacy and entertainment. The private pond is the focal point of the property along w/the walking trails through the towering hardwood trees attracting local wildlife. Art Deco-stained glass accents. Large attached 2.5 car garage and a heated 3+ additional garage for the mechanic or wood craftsman.
    72 days
    |
    554
    |
    26
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    Jack Baker 262-348-1100,

    Coldwell Banker Real Estate Group

    Source: WIREX MLS,MLS#: 1965620MLS LogoOriginating MLS: Metro MLS

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 4
      • Full bathrooms: 3
      • 1/2 bathrooms: 1
      • Main level bedrooms: 1
      Primary bedroom
      • Level: Upper
      • Area: 260
      • Dimensions: 13 x 20
      Bedroom 2
      • Level: Upper
      • Area: 144
      • Dimensions: 12 x 12
      Bedroom 3
      • Level: Main
      • Area: 180
      • Dimensions: 12 x 15
      Bathroom
      • Features: Whirlpool, Master Bedroom Bath: Tub/No Shower, Master Bedroom Bath: Walk-In Shower, Master Bedroom Bath
      Family room
      • Level: Main
      • Area: 216
      • Dimensions: 12 x 18
      Kitchen
      • Level: Main
      • Area: 180
      • Dimensions: 12 x 15
      Living room
      • Level: Main
      • Area: 380
      • Dimensions: 19 x 20
      Office
      • Level: Upper
      • Area: 132
      • Dimensions: 11 x 12
      Heating
      • Propane, Forced Air
      Cooling
      • Central Air
      Appliances
      • Included: Cooktop, Dishwasher, Disposal, Dryer, Microwave, Oven, Range, Refrigerator, Washer, Water Softener
      Features
      • Pantry, Walk-In Closet(s)
      • Basement: Block,Full
      Interior area
      • Total structure area: 3,710
      • Total interior livable area: 3,710 sqft
      Video & virtual tour

      Property

      Parking
      • Total spaces: 2.5
      • Parking features: Garage Door Opener, Heated Garage, Attached, 2 Car
      • Attached garage spaces: 2.5
      Features
      • Levels: Two
      • Stories: 2
      • Has spa: Yes
      • Spa features: Bath
      • Has view: Yes
      • View description: Water
      • Has water view: Yes
      • Water view: Water
      • Waterfront features: Waterfront, Pond
      Lot
      • Size: 23.71 Acres
      • Features: Horse Allowed, Wooded
      Details
      • Parcel number: 3042201340503
      • Zoning: Residential
      • Horses can be raised: Yes

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Prairie/Craftsman
      • Property subtype: Single Family Residence
      Materials
      • Wood Siding
      Condition
      • 21+ Years
      • New construction: No
      • Year built: 2000

      Utilities & green energy

      • Sewer: Septic Tank
      • Water: Well

      Community & HOA

      Location
      • Region: Union Grove
      • Municipality: Brighton

      Financial & listing details

      • Price per square foot: $499/sqft
      • Tax assessed value: $930,700
      • Annual tax amount: $12,616
      • Date on market: 6/4/2026
      • Inclusions: Oven, Range, Refrigerator, Dishwasher, Microwave, Washer, Dryer, Home Generator
      • Exclusions: Seller's Personal Property

        Estimated market value

        $1,735,700

        $1.65M - $1.82M

        $4,171/mo

        Price history

        DateEventPrice
        7/2/2026Price change$1,850,000-5.1%$499/sqft
        Source: WIREX MLS #1965620 Report a problem
        6/4/2026Listed for sale$1,950,000+1254.2%$526/sqft
        Source: WIREX MLS #1965620 Report a problem
        1/1/2001Sold$144,000$39/sqft
        Source: Agent Provided Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2024$9,466 +3.8%$930,700 +16.4%
        2023$9,122 -2.1%$799,900
        2022$9,315 -2.8%$799,900 +25.8%
        2021$9,588 -3.9%$635,900
        2020$9,976 +2.3%$635,900
        2019$9,748 +4.7%$635,900
        2018$9,308 -15.4%$635,900 +22.2%
        2017$11,005 +0.7%$520,400
        2016$10,933 +14.1%$520,400
        2015$9,582 -4.9%$520,400
        2014$10,071 $520,400
        2013$10,071 -8.6%$520,400 -23.9%
        2012$11,015 +2.2%$683,400
        2011$10,778 -4.7%$683,400
        2010$11,305 -0.2%$683,400
        2009$11,325 +4.4%$683,400
        2008$10,849 +12.8%$683,400 +2%
        2007$9,616 +6.6%$670,200
        2006$9,019 -12.7%$670,200
        2005$10,330 +2.4%$670,200 +15.6%
        2004$10,092 +4.1%$579,700
        2003$9,699 +13.4%$579,700 +24.6%
        2002$8,555 +175.1%$465,300 +175.5%
        2001$3,110 +93.6%$168,900 +97.5%
        2000$1,606 $85,500
        Find assessor info on the county website

        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.
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        Climate risks

        Neighborhood: 53182

        Getting around

        0 / 100
        Car-Dependent
        20 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Brighton
        • High: Westosha Central
        • District: Central/Westosha Uhs

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

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