Zoned Equestrian Development
For Sale
$4,900,000
120 Keystone St, Sun Valley, ID 83353
Land, Sun Valley, ID
Property SizeContact for details
Lot Size52.00 Acres
Days on Market157
Property Features for 120 Keystone St
General Information
Property type
Land
Property subtype
Other
Zoning description
BC/R-10 (UIB)
Fencing
Fenced
Subdivision
Elkhorn Sub
Lot features
Over 40 Acres, Pasture, Sloped, Views, Wooded, Borders Public Owned Land
Directions
Located at the gated, private terminus of Keystone Street within the exclusive Elkhorn community of Sun Valley, Idaho. This 52-acre landholding offers rare 'end-of-the-road' seclusion and serves as the ultimate gateway to Keystone Gulch, the Sawtooth National Forest, and Sun Valley Resort.
Standard status
Active
APN
RP1M0000000750
Lot size
52.00 Acres
Taxes and HOA fees
Tax Year
2025
Tax Description
Elkhorn 46, Keystone 41 A, Carbon Hill 74 A, SEC 15 4N 18E
Tax Annual Amount
1207
Legal Description
Elkhorn 46, Keystone 41 A, Carbon Hill 74 A, SEC 15 4N 18E
Utilities
Utilities
Propane
Sewer type
Septic Tank
Water source
Other, Well
Water front features
Creek
Water front
1
Listing Agency:
Keller Williams Sun Valley Southern Idaho · Keller Williams Realty
(208) 734-1991
Listed By:
James Tautkus · License #AB43803
(208) 734-1288
Added: Mar 23
Changed: Aug 24
Last Checked: Aug 26 at 4:06AM
MLS# 98979014
Copyright © 2026 Intermountain Multiple Listing Service. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Investment Insights
Based on property information with market context.
This offering is dual-parcel land totaling approximately 52 acres, presented as a development-ready canvas in Sun Valley. The property is zoned BC/R-10 and includes a pond and geothermal potential, with on-site water rights described as 1883 irrigation/stock water rights. A high-yield well is also noted, and the land is presented as bordered by U.S. Forest Service land.
Utilities are described as already installed, including well, septic, and buried power. The listing also references patented mining claims.
With its mix of zoning, installed infrastructure, and equestrian/outdoor orientation, the property is positioned for an owner seeking a private horse property or a high-end boutique residential development within the master-planned framework described in the remarks.
Utilities are described as already installed, including well, septic, and buried power. The listing also references patented mining claims.
With its mix of zoning, installed infrastructure, and equestrian/outdoor orientation, the property is positioned for an owner seeking a private horse property or a high-end boutique residential development within the master-planned framework described in the remarks.
Key Highlights
- 52‑acre estate in Sun Valley, Idaho, consisting of two parcels: 18.6 acres and 33.5 acres
- Bordering U.S. Forest Service land with creek frontage and a fenced property
- 1883 water rights (irrigation/stock) plus a high‑yield well for supply
Property Analytics
Property Profile
Current Use
Lease Details
Yes
Utilities to site
Yes
Water rights
Location Intelligence
Trade Area within ½ mile
16
Businesses Nearby
Explore this area
Business Placement
Demographics for 83353, ID
1,774
Population
2,391
Households
0.7
Avg Household Size
61
Median Age
74%
College-Educated
95%
High-School Grad
8.9 sq mi
ZIP Area
199
Density / Sq Mi
$95,568
Median Household Income
$37,455
Median Earnings
$2,114
Median Rent
$829,000
Median Home Value
Market
Vacancy Rate% for Industrial in West region
Questions? Ask Rey
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Frequently Asked Questions
What type of property is this?
Residential land & home lot - Dual-parcel land in Sun Valley is zoned BC/R-10 and includes installed utilities, a pond, and irrigation/stock water rights.
Where is this residential land & home lot located?
The property is located at 120 Keystone St Sun Valley, ID.
What is the asking price?
The asking price for this property is $4,900,000.
What are key features of this property?
This property features: 52‑acre estate in Sun Valley, Idaho, consisting of two parcels: 18.6 acres and 33.5 acres; Bordering U.S. Forest Service land with creek frontage and a fenced property; 1883 water rights (irrigation/stock) plus a high‑yield well for supply
