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MLS ID
98994369MLS Logo
5 Beds
7 Baths
11,919 sqft

$7,700,000

21805 Koa Lane, Star ID, 83669

Price per sqft$646.03
Built in2015
Property size11,919 sqft
Property typeResidential
Courtesy of Matt Bauscher, Amherst Madison, 208-391-2391

Overview

Pending

Listed Jul 17, 2026

Updated 2 weeks ago

A one-of-a-kind opportunity to own one of Idaho’s most iconic legacy estates. Privately positioned behind the gates of an exclusive waterfront enclave, this extraordinary 17.5-acre property offers over 1,200 feet of Boise River frontage, more than 2,400 feet of private lake frontage, and unmatched privacy bordered by protected state land. Encompassing nearly 12,000 sq ft with 6,000+ sq ft of covered outdoor living and 4,200+ sq ft of garage space, the residence was designed for year-round entertaining and resort-style living. Extensive renovations completed between 2024-2026 introduced designer finishes, custom stonework, and dramatic walls of glass with water views from every room. Amenities include a full indoor regulation basketball court with viewing lounge, professional-grade pickleball court, remodeled upstairs lounge and poker room with second kitchen and statement wine room, state-of-the-art theater with seating for 12, and a wellness retreat featuring a commercial-grade gym with $70k+ in Rogue equipment and sauna. Outdoor living is unparalleled with a heated pool and spa, waterfall-edge features, private lakes, sandy beachfront, new dock, outdoor kitchen with Wolf grill and Traeger smoker, fire features, pergola lounges, fountains, and curated entertaining spaces throughout. An extraordinary blend of luxury, recreation, privacy, and natural beauty.

$51,228/mo

Est. mortgage payment based on a $7,700,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
98994369
ID - Intermountain Multiple Listing Service, Inc. (IMLS)

Interior Features

Bedrooms
5
Bathrooms
7
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
17.12 Acres

Other Property Details

Taxes
$19,694
Tax Frequency
Annually
Association Fee Frequency
Yearly
Garage
Yes
View
Yes
Pool
Yes
Waterfront
Yes
MLS provider logo

Courtesy of Amherst Madison, Matt Bauscher, 
Listing Contact: 208-391-2391 

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Data last updated 4:27 AM UTC, 9/1/2026

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