$11,950,000
Ketchum, ID 83340
MLS# 26-335091
Status: Pending
3 beds | 3.5 baths | 3484 sqft

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Property Description
The Observatory Sun Valley, A Viceroy Resort, offers twelve single-level penthouse residences with sweeping mountain views, with only eight remaining. This extraordinary northwest-corner, fourth-floor residence features 3 bedrooms, 3 en suite baths plus a powder room and office. Enjoy views west to Bald Mountain, north from the dining room and primary suite, and south from two bedrooms.
Details
Maps
Location, Tax and Misc
Prjct Condo/Townhse: 300 River Street East Condominiums
Unit #: 430
Legal: 300 River Street Condominiums, Unit 430
List Price Per SqFt: 3429.97
Taxes: 0
Tax Year: 2026
Green Features: No
Remarks & Misc
Possession: On Closing
General Property Description
HOA Company Name: Viceroy Hotel Group
New Construction: Yes
Total SqFt Livable: 3484
Furnished: Not Included
SF Per: Architect
Waterfront: No
Bedrooms: 3
Baths: 3.5
Year Built: 2026
Geo Lat: 43.678984
Geo Lon: -114.361241
Contract Info
Concession Negotiable: No
Directions: Downtown Ketchum, the Observatory Hotel. Corner of Main Street and River Street East.
Status: Pending
List Date: 2026-11-05
Basement
None: 1
Construction Type
Site-built (Stick): 1
Concrete: 1
Documents
Plat: 1
Driveway
Asphalt: 1
Exterior Finish
Steel: 1
Stone/Rock: 1
Wood: 1
Features Exterior
Assn Hot Tub: 1
Assn Pool: 1
Balcony: 1
Views: 1
Features Interior
Air Conditioning: 1
Elevator: 1
Fire Sprinkler: 1
High Ceilings: 1
LED Lights: 1
Main Flr Primary Bdrm: 1
Walk-in Closet: 1
Window Coverings: 1
Wood Flooring: 1
Garage
2 Car: 1
Heated: 1
Underground: 1
Heat
Heat Pump: 1
Radiant-Floor: 1
Items Included
Dishwasher: 1
Disposal: 1
Hood Fan: 1
Microwave: 1
Oven - Elec: 1
Range - Elec: 1
Refrigerator: 1
Stack W/D: 1
Power
Electrical: 1
Road Access
Public: 1
Road Surface
Paved: 1
Roof
Composition: 1
Membrane: 1
Other: 1
Sewer
City/Public: 1
Specialty Rooms
Dining Area: 1
Great Room: 1
Laundry: 1
Walk-in Closet: 1
Style
1 Story: 1
Contemporary: 1
1st Floor Primary: 1
Terms
Cash: 1
Water
City Connected: 1
Water Heater
Other: 1
Waterfront
No: 1
Zoning
K/T: 1
Other Disclosures
CC & R's: 1
Land Ownership Type
Fee Simple: 1
Association Fee Includes
Insurance: 1
Maintenance Structure: 1
Sewer: 1
Snow Removal: 1
Trash: 1
Water: 1
Location Tax and Misc
Current Price: $11,950,000
Sub Type: Condominium
Area: Ketchum
Street Number: 300
Street Direction Pfx: E
Street Name: River
Street Suffix: St
Street Direction Sfx: E
State/Province: ID
Zip Code: 83340
County: Blaine
Subdivision: N/A
Assessor's Parcel #: RPK00000830020
List Price: $11,950,000
Status Change Info
Under Contract Date: 2026-11-05
Property Features
Zoning: K/T
Driveway: Asphalt
Road Surface: Paved
Road Access: Public
Water: City Connected
Sewer: City/Public
Power: Electrical
Features Exterior: Assn Hot Tub; Assn Pool; Balcony; Views
Land Ownership Type: Fee Simple
Waterfront: No
Construction Type: Site-built (Stick); Concrete
Style: 1 Story; Contemporary; 1st Floor Primary
Specialty Rooms: Dining Area; Great Room; Laundry; Walk-in Closet
Basement: None
Garage: 2 Car; Heated; Underground
Features Interior: Air Conditioning; Elevator; Fire Sprinkler; High Ceilings; LED Lights; Main Flr Primary Bdrm; Walk-in Closet; Window Coverings; Wood Flooring
Items Included: Dishwasher; Disposal; Hood Fan; Microwave; Oven - Elec; Range - Elec; Refrigerator; Stack W/D
Heat: Heat Pump; Radiant-Floor
Water Heater: Other
Exterior Finish: Steel; Stone/Rock; Wood
Roof: Composition; Membrane; Other
Association Fee Includes: Insurance; Maintenance Structure; Snow Removal; Trash; Water
Documents: Plat
Other Disclosures: CC & R's
Terms: Cash
Supplements
Adorning The Observatory Sun Valley, A Viceroy Resort, twelve single-level penthouse residences with sweeping views of Idaho's Rocky Mountains are coming to life. Only eight remain available.
This extraordinary northwest-corner residence is located on the building's fourth floor and offers 3,484 livable square feet. Featuring 3 bedrooms, 3 en suite baths plus a powder room and office space, the residence enjoys views west to Bald Mountain from the great room, north from the dining room and primary suite, and south from two bedrooms. The spacious primary suite features an exceptionally large closet and bathroom.
Ownership of these singular residences includes highly personalized service and access to a full suite of amenities, from a spa and fitness center to thermal pools, meeting spaces, café, restaurant, bar, ski concierge, and a state-of-the-art observatory. All conveniently located at the gateway to downtown Ketchum and just minutes from the mountain adventures Sun Valley has to offer.
Listing Office: Keller Williams Sun Valley Southern Idaho
Listing Agent: Burnett Properties
Last Updated: November - 07 - 2026
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