120 Keystone St

Beds
Baths
Sq. Ft.
/ Sq. Ft.
Sq. Ft.
per Sq. Ft.

Description

Sun Valley Legacy Estate & Development Masterpiece. Discover the pinnacle of mountain living at 120 Keystone St, a premier 52-acre legacy estate in the exclusive Elkhorn area of Sun Valley, Idaho. This rare dual-parcel landholding (18.6 & 33.5 acres) offers a breathtaking canvas for a private horse property or a high-end boutique residential development. Search address on YouTube for video tours.Sun Valley Legacy Estate & Development Masterpiece. Discover the pinnacle of mountain living at 120 Keystone St, a premier 52-acre legacy estate in the exclusive Elkhorn area of Sun Valley, Idaho. This rare dual-parcel landholding (18.6 & 33.5 acres) offers a breathtaking canvas for a private horse property or a high-end boutique residential development. Search address on YouTube for video tours.
  1. Listed by James Tautkus • Keller Williams Sun Valley Southern Idaho
  2. Listed by Mike Schirf • Keller Williams Sun Valley Southern Idaho

Property Details for 120 Keystone Street

Zoning
BC/R-10
Waterfront
Yes
LISTING UPDATED: 03/12/2026 03:00 PM

Property Details for 120 Keystone Street

StatusActive
MLS #26-334170
Days on Market7
Taxes$1,207 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeVacant Land / Single Family Residence
Year Built-
Lot Size52.00 AC
CountyBlaine County

Location

Listing Courtesy of Keller Williams Sun Valley Southern Idaho
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Virtual Tour

Building Information for 120 Keystone Street

Building Size-Lot Size52.00 AC

Payment Calculator

$25,579 per month

30 year fixed, 6.11% Interest

Principal and Interest

$25,479

Property Taxes

$101

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

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Property Information for 120 Keystone Street

Summary
Location and General Information
  • REO: No
  • Zoning BCR-10: Yes
  • Road Frontage Type: Easement, Private Road
Taxes and HOA
  • Tax Legal Description: Elkhorn 46, Keystone 41 A, Carbon Hill 74 A, SEC 15 4N 18E
  • Tax Year: 2025
  • Association: No
  • City: Sun Valley
  • Tax Amount: $1,207
Parking
  • Association Fee: $.00
Virtual Tour
  • Videos Count: 1
  • Virtual Tours Count: 0
Property
Lot Information
  • Lot Size Units: Acres
  • Lot Size Square Feet: 2265120.0
  • Lot Size Acres: 52.0
  • Parcel Acres Apx: 52.0
  • Parcel Size Per: Realtor
  • Road Access Easement: Yes
  • Road Access Private: Yes
  • Road Surface Dirt2: Yes
  • Property Type Label: Vacant Land
  • Lot Size Source: Realtor
  • Property Type: Vacant Land
  • Property Sub Type: Single Family Residence
Property and Assessments
  • Lot Size Area: 52.0
  • Parcel Number: RP1M0000000750
  • Public Syndication: Yes
  • Possession: On Closing
  • Documents Other5: Yes
  • Floor Plans Count: 0
  • Road Surface Type: Dirt
Utilities
  • Waterfront Pond: Yes
  • Waterfront See Realtor Remarks: Yes
  • Waterfront Wetlands: Yes
  • Utilities at Road Electric3: Yes
  • Utilities at Road Telephone2: Yes
  • Utilities On Site Electric2: Yes
  • Utilities On Site Septic2: Yes
  • Utilities On Site Telephone: Yes
  • Utilities On Site Well-Individual: Yes
Interior and Exterior Features
Exterior Features
  • Features Exterior BarnShed: Yes
  • Features Exterior Corral: Yes
  • Features Exterior Deeded Water Rights: Yes
  • Features Exterior Fence: Yes
  • Features Exterior Outbuildings: Yes
  • Features Exterior Undergrnd Utilities: Yes
  • Features Exterior Views: Yes
  • Features Exterior Horses Permitted: Yes
  • Other Structures: Barn(s), Corral(s), Outbuilding
  • Waterfront Features: Pond, See Realtor Remarks, Wetlands
Interior Features
  • Total Bathrooms Source: MLS
  • Bathrooms Total Decimal: .00
  • Bathrooms Total Notational: .00
  • Bathrooms Tota lInteger: 0

Property History for 120 Keystone Street

DateEvent & SourcePriceAppreciation
Mar 12, 2026

Listed (Active)

Sun Valley Board of REALTORS #26-334170

$5,250,000
Nov 30, 2025

Withdrawn

Sun Valley Board of REALTORS #25-332957

Nov 11, 2025

Price Change

Sun Valley Board of REALTORS #25-332957

$5,400,000
Jul 31, 2025

Price Change

Sun Valley Board of REALTORS #25-332957

$5,900,000
Jul 15, 2025

Price Change

Sun Valley Board of REALTORS #25-332957

$6,300,000
Jun 6, 2025

Price Change

Sun Valley Board of REALTORS #25-332957

$6,900,000
Apr 4, 2025

Listed (Active)

Sun Valley Board of REALTORS #25-332957

$7,900,000
Sep 23, 2024

Withdrawn

IMLS #98924478

Sep 20, 2024

Listed (Active)

IMLS #98924478

$9,500,000
DateEvent & SourcePrice
03/12/2026

Listed (Active)

Sun Valley Board of REALTORS #26-334170

$5,250,000
11/30/2025

Withdrawn

Sun Valley Board of REALTORS #25-332957

11/11/2025

Price Change

Sun Valley Board of REALTORS #25-332957

$5,400,000
07/31/2025

Price Change

Sun Valley Board of REALTORS #25-332957

$5,900,000
07/15/2025

Price Change

Sun Valley Board of REALTORS #25-332957

$6,300,000
06/06/2025

Price Change

Sun Valley Board of REALTORS #25-332957

$6,900,000
04/04/2025

Listed (Active)

Sun Valley Board of REALTORS #25-332957

$7,900,000
09/23/2024

Withdrawn

IMLS #98924478

09/20/2024

Listed (Active)

IMLS #98924478

$9,500,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Schools near 120 Keystone Street

This home is within Blaine County District.
Rating
School
Type
Grades
Distance
Public - PK to 8
Public - 9 to 12
Public - 6 to 8
Public - PK to 5
Rating
School
Distance
Ernest Hemingway Elementary School
PublicPK to 8

Wood River High School
Public9 to 12

Wood River Middle School
Public6 to 8

Hailey Elementary School
PublicPK to 5

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

Similar Homes

Similar Sold Homes

120 Keystone Street is a single family home for sale in Hailey, ID 83333. This property was listed for sale on March 12, 2026 by Keller Williams Sun Valley Southern Idaho, it's currently listed at $5,250,000. This listing's school district is Blaine County District. Nearby schools include Ernest Hemingway Elementary School, Wood River High School and Wood River Middle School. 120 Keystone Street is a 0-bed, 0-bath, single family home.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties make no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Listing Courtesy of Keller Williams Sun Valley Southern Idaho

Based on information from one of the following Multiple Listing Services: Sun Valley Board of REALTORS®, Intermountain MLS, Mountain Central Association of REALTORS. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Sun Valley Board of REALTORS®, Intermountain MLS, Mountain Central Association of REALTORS is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.