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For sale
  • $19,750,000

    671 Alpine Ln, Ketchum, ID 83340

    7beds
    9,056sqft
    : 
    Single Family Residence
    Built in 1989
    0.48 Acres Lot
    $17,385,900 Zestimate®
    $2,181/sqft
    $-- HOA

    What's special

    Heated walkways and drivewayCozy tv roomSunny quiet residential neighborhoodNew da vinci roofTwo powder rooms
    Experience timeless elegance in this completely remodeled .48-acre estate, masterfully designed by Mark Sikes. The breathtaking main residence showcases 5 bedrooms and 5.5 baths with a 2-car garage, complemented by a guesthouse with 2 additional guest suites, 2.5 baths, garage and private gym. Every detail exudes sophistication creating a seamless fusion of luxury, comfort, and modern convenience Main House: 6708 SF livable square feet Architecture by Janet Jarvis Remodeled in 2019 by Lee Gilman Interior design by Mark D Sikes, winter 2024 Five bedrooms, all with en-suite baths Large great room with wet bar, fireplace and multiple seating areas Formal dining room with custom banquette and fireplace Hardwood flooring & designer wool carpeting throughout Kitchen with attached sitting area & fireplace Butler's Pantry Cozy TV Room Mud room with custom ski "lockers" Two car attached garage Lower-level primary bedroom with spa-bathroom, large dressing room and private outdoor patio Temperature controlled wine storage room Lower level sitting room with wet bar -- opens to exterior courtyard Two powder rooms Gas forced air and air conditioning Guest House: 2436 livable square feet Two bedroom suites, plus loft office, kitchenette Large gym with sauna and bathroom Additional two-car attached garage Designer furniture negotiable. Exterior: 0.48-acre property in downtown Ketchum. Landscape architecture by Chase Goulay, BYLA Large outdoor patio, fire-pit and multiple dining & seating areas, perfect for entertaining. New Da Vinci roof. Heated walkways and driveway Sunny, quiet residential neighborhood Two blocks to restaurants, shopping and Ketchum Town Square
    58 days
    |
    2,239
    |
    68
    |

    Zillow last checked: 8 hours ago

    Listing updated: January 25, 2026 at 04:50pm

    Listed by:

    Williams | Hendricks,

    Sun Valley Real Estate, LLC,

    Katherine Rixon 208-913-0072

    Source: Sun Valley BOR MLS,MLS#: 25-333918MLS Logo

    Tour with a local agent

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 7
    • Bathrooms: 10
    • Full bathrooms: 10
    Heating
    • Has Heating (Unspecified Type)
    Features
    • Smart Thermostat
    • Has fireplace: Yes
    Interior area
    • Total structure area: 9,056
    • Total interior livable area: 9,056 sqft
    • Finished area above ground: 9,056

    Property

    Parking
    • Parking features: Garage - Attached
    • Has attached garage: Yes
    Features
    • Has spa: Yes
    Lot
    • Size: 0.48 Acres
    Details
    • Parcel number: RPK0000047003A
    • Zoning: K/LR

    Construction

    Type & style
    • Home type: SingleFamily
    • Property subtype: Single Family Residence
    Condition
    • New construction: No
    • Year built: 1989

    Community & HOA

    Community
    • Subdivision: Ketchum Townsite
    Location
    • Region: Ketchum

    Financial & listing details

    • Price per square foot: $2,181/sqft
    • Tax assessed value: $9,928,337
    • Annual tax amount: $35,133
    • Date on market: 12/10/2025
    • Inclusions: Washer, Refrigerator, Range - Gas, Oven - Gas, Dryer, Dishwasher
    • Exclusions: All Owners Personal Property, Art, Furnishings
    • Road surface type: Paved
    Get pre-qualifiedBe ready to make an offer.
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    Estimated market value

    $17,385,900

    $16.34M - $18.43M

    $4,767/mo

    Price history

    Price history
    DateEventPrice
    12/10/2025Listed for sale$19,750,000+119.6%$2,181/sqft
    Source: Sun Valley BOR MLS #25-333918 Report a problem
    10/29/2018Listing removed$8,995,000$993/sqft
    Source: Keller Williams Realty Sun Valley and Southern Idaho #18-323128 Report a problem
    6/16/2018Listed for sale$8,995,000$993/sqft
    Source: Keller Williams Sun Valley Southern Idaho #18-323128 Report a problem

    Public tax history

    Public tax history
    YearProperty taxesTax assessment
    2024$33,458 +9.3%$9,803,337 +16.3%
    2023$30,623 -7.4%$8,429,070
    2022$33,086 -2.4%$8,429,070 +22%

    Find assessor info on the county website

    BuyAbility℠ payment

    Est. payment
    $89,916/mo
    Principal & interest
    $76584
    Home insurance
    $6913
    Property taxes
    $6419

      Climate risks

      Neighborhood: 83340

      Nearby schools

      GreatSchools rating

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