$19,750,000

671 Alpine Ln N Ketchum, ID 83340

Estimated payment $106,816/month

Total Views 208
7 Beds
10 Baths
9,056 Sq Ft
$2,181 Price per Sq Ft

Highlights

  • Guest House
  • Spa
  • Custom Closet System
  • Wine Cellar
  • 0.48 Acre Lot
  • 3-minute walk to Alturas Lake

About This Home

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

Listing Agent

Suzanne Williams

Sun Valley Real Estate, LLC Listed on: 12/10/2025

Co-Listing Agent

Katherine Rixon

Keller Williams Sun Valley Southern Idaho License #25837

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $35,133

Year Built

  • Built in 1989

Lot Details

  • 0.48 Acre Lot
  • Fenced
  • Landscaped
  • Sprinkler System
  • Property is zoned K/LR

Home Design

  • Slate Roof
  • Stucco Exterior
  • Stone Exterior Construction
  • Stick Built Home

Interior Spaces

  • 9,056 Sq Ft Home
  • 2-Story Property
  • Wet Bar
  • Cathedral Ceiling
  • Skylights
  • Multiple Fireplaces
  • Wood Burning Fireplace
  • Gas Fireplace
  • Window Treatments
  • Entrance Foyer
  • Wine Cellar
  • Great Room
  • Family Room
  • Dining Room
  • Home Office
  • Bonus Room
  • Home Gym
  • Radiant Floor
  • Alarm System
  • Property Views
  • Finished Basement

Kitchen

  • Gas Oven
  • Gas Range
  • Dishwasher

Bedrooms and Bathrooms

  • 7 Bedrooms
  • Custom Closet System
  • Walk-In Closet
  • 10 Bathrooms
  • Hydromassage or Jetted Bathtub

Laundry

  • Laundry Room
  • Dryer
  • Washer

Parking

  • Attached Garage
  • Parking Storage or Cabinetry
  • Running Water Available in Garage
  • Heated Garage
  • Insulated Garage
  • Parking Available
  • Driveway

Outdoor Features

  • Spa
  • Deck

Additional Homes

  • Guest House

Utilities

  • Air Conditioning
  • Forced Air Heating System
  • Programmable Thermostat
  • Underground Utilities
  • Gas Water Heater
  • Cable TV Available

Community Details

  • Ketchum Townsite Subdivision

Listing and Financial Details

  • Assessor Parcel Number RPK0000047003A

Home Details

Home Type

Single Family

Est. Annual Taxes

$35,133

Year Built

Built in 1989

Lot Details

0

Listing Details

  • Directions: From Main Street, take Sixth Street to Alpine Lane. Turn left on Alpine. The house will be on your left.
  • Exclusions: All Owners Personal Property, Art, Furnishings
  • Prop. Type: Residential
  • Year Built: 1989
  • Road Frontage Type: Public
  • Road Surface Type: Asphalt, Paved
  • Inclusions: Washer, Refrigerator, Range - Gas, Oven - Gas, Dryer, Dishwasher
  • Subdivision Name: Ketchum Townsite
  • Above Grade Finished Sq Ft: 9056.0
  • Architectural Style: 2 Story
  • Building Name: N/A
  • New Construction: No
  • RoofSlate: Yes
  • Special Features: None
  • Property Sub Type: Detached

Interior Features

  • Has Basement: Finished
  • Private Spa: Yes
  • Total Bedrooms: 7
  • Fireplace Features: Gas, Wood Burning, Multiple Fireplaces
  • Features Interior:Cable TV: Yes
  • Features Interior:Fireplace Wood: Yes
  • Features-Interior:Pantry: Yes
  • Features-Interior:Window Coverings: Yes
  • Appliances:Water Heater (Gas): Yes
  • Basement Finished: Yes
  • Features-Interior:Jetted Tub: Yes
  • Features Interior:Wet Bar: Yes

Exterior Features

  • Disclosures: None
  • Waterfront: No
  • Fencing: Fenced
  • Acres: 0.48
  • Patio And Porch Features: Deck

Garage/Parking

  • Attached Garage: Yes
  • Parking Features: Attached, Asphalt, Extra Storage, Finished, Heated Garage, Insulated

Utilities

  • Sewer: City/Public
  • Heating: Radiant Floor
  • HeatingYN: Yes
  • Utilities: Underground Utilities, Cable Available
  • Utilities Providers Heat Gfa: Yes

Lot Info

  • Parcel #: RPK0000047003A
  • Zoning: K/LR
  • Lot Size Sq Ft: 20908.0

Tax Info

  • Tax Year: 2025
  • Tax Annual Amount: 35133.0

Map

Range of Values:

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Value Increase
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Percent Increase
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Adjusted for Inflation
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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2024 $32,914 $9,928,337 $4,817,200 $5,111,137
2023 $30,623 $8,429,070 $0 $0
2022 $33,086 $8,429,070 $0 $0
2021 $33,887 $6,906,485 $0 $0
2020 $36,111 $6,178,254 $0 $0
2019 $32,389 $5,021,689 $0 $0
2018 $31,180 $4,629,338 $0 $0
2017 $30,154 $4,331,365 $0 $0
2016 $29,848 $4,257,200 $0 $0
2013 -- $3,532,449 $0 $0
Source: Public Records

Property History

Date Event Price List to Sale Price per Sq Ft
12/10/2025 12/10/25 For Sale $19,750,000 -- $2,181 / Sq Ft
Source: Sun Valley Board of REALTORS®

Purchase History

Date Type Sale Price Title Company
Quit Claim Deed -- Blaine County Title
Interfamily Deed Transfer -- Boston National Ttl Agcy Llc
Personal Reps Deed -- --
Source: Public Records

Mortgage History

Date Status Loan Amount Loan Type
Previous Owner $4,200,000 New Conventional
Source: Public Records

Source: Sun Valley Board of REALTORS®

MLS Number: 25-333918

APN: RPK0000-047-003A