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John West

Operator / Designated Broker | West Real Estate Group | PLACE

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21805 Koa Ln , Star, ID 83669
$7,700,000
Est. Payment: $39,272.24/mo
5 Bed
7 Bath
11919 Sqft
Status: active | Days on site: 3
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VCR-C15903466 - VCR-C159091383,VCR-C159052275

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John West
Operator / Designated Broker

House Description

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.

Highlights

Listed by Matt Bauscher , 208-330-8515 Amherst Madison , 208-391-2391. Intermountain Multiple Listing Service mls logo

Property Type

Residential

Lot/Acreage
17.12

HOA Fee

1000 Annually

Year Built

2015

County

Canyon

Neighborhood

0 Not Applicable

School District

Middleton School District #134

Listing ID

98994369

Questions about this listing?

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Interior Features

Bedrooms and Bathrooms
  • Bedrooms:5
  • Bathrooms:7
  • Full Bathrooms:
Appliances:Dishwasher, Disposal, Double Oven, Microwave, Oven/Range Built-In, Refrigerator, Water Softener Owned, Gas Range
Air Cond:Central Air
Fireplaces:Three or More,Gas
Floor:Hardwood
Above Ground Sq Ft:11919
Below Ground Sq Ft:0
Other:Bath-Master,Bed-Master Main Level,Guest Room,Split Bedroom,Den/Office,Family Room,Great Room,Sauna/Steam Room,Rec/Bonus,Two Kitchens,Two Master Bedrooms,Walk-In Closet(s),Walk In Shower,Breakfast Bar,Pantry,Kitchen Island,Quartz Counters
Other:Well

Exterior Features

Lot:10 - 19.9 Acres,Dog Run,Garden,Irrigation Available,Views,Borders Public Owned Land,Chickens,Flood Plain,Wooded,Auto Sprinkler System,Drip Sprinkler System,Full Sprinkler System,Irrigation Sprinkler System,Waterfront,Lake,Pond,River,16-20 Acres
Garage Capacity:16
Roof:Architectural Style
Sewer:Septic Tank
Parking Features:Attached,RV Access/Parking,Garage (Drive Through Doors),Finished Driveway,RV Parking
Principal Interest
$39,272
Taxes
$1,641
HOA
$1,000

Home Price

$7,700,000

Loan Details

30 yrs
6.583%

Down Payment

20%
$1,540,000
All calculations are estimates and provided by Blueroof360. Today’s Rates provided by Blueroof360. Information and interactive calculators are made available to you only as self-help tools for your independent use and are not intended to provide investment or tax advice. We cannot and do not guarantee their applicability or accuracy in regards to your individual circumstances. All examples are hypothetical and are for illustrative purposes. We encourage you to seek personalized advice from qualified professionals regarding all personal finance issues.
Monthly Price:
$39,272.24

Principal

Taxes

HOA

Principal Taxes HOA Total
Monthly $39,272.24 $1,641.13 $1,000.00 $41,913.37
Yearly $471,266.89 $19,693.58 $12,000.00 $502,960.47
Total $14,138,006.61 $590,807.40 $360,000.00 $15,088,814.01

Today's Rates

30 Year

6.58%

20 Year

6.65%

15 Year

6.14%

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Market insight data is pulled from the same city as the listing being viewed (Star, ID).

The schools listed are within a 2-mile radius of the property; however, attendance is not guaranteed. Please contact the local school district to confirm zoning and enrollment options.

The data relating to real estate for sale on this web site comes in part from the Intermountain Multiple Listing Service, Inc.. Real estate listings held by brokerage firms other than West Real Estate Group | PLACE are marked with the IDX logo.
IMLS IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IMLS does not assume any liability for missing or inaccurate data. Information provided by IMLS is deemed reliable but not guaranteed.
Lifestyle, neighborhood, and school data (“Supplemental Data”) is provided by the operator of this website as a convenience to users. This Supplemental Data is not provided or reviewed by Intermountain Multiple Listing Service, Inc.. The operator of this website updates the Supplemental Data from time to time, but it does not represent, warrant or otherwise promise that the Supplemental Data is current, free from defects, or error-free. All Supplemental Data is provided AS IS with all faults. Users are encouraged to consult their own data sources to confirm the accuracy of all Supplemental Data before using the Supplemental Data as a basis for any decision.
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Data last updated: 2026-07-27T02:51:33.000Z

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