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.
- Heating:
- Forced Air, Passive solar design
- Cooling:
- Central air
- Fireplace:
- Gas, Three or more
- Garage Capacity:
- 16
- Country:
- US
- State:
- ID
- County:
- Canyon
- City:
- Star
- Zipcode:
- 83669
- Street:
- 21805 KOA Lane
- Longitude:
- W117° 29' 10.8''
- Latitude:
- N43° 41' 1''
- Master Bedroom Level:
- Main
- Master Bedroom Size:
- 16x23
- Bedroom 2 Level:
- Main
- Bedroom2 Size:
- 13x15
- Bedroom 3 Level:
- Main
- Bedroom3 Size:
- 16x16
- Bedroom 4 Level:
- Main
- Bedroom4 Size:
- 16x16
- Bedroom 5 Level:
- Main
- Bedroom5 Size:
- 16x16
- Kitchen Level:
- Main
- Living Room Level:
- Main
- Living Room Size:
- 18x20
- School District:
- Middleton School District #134
- Elementary School:
- Mill Creek
- Middle School:
- Middleton Jr
- High School:
- Middleton
- Status:
- Active
- Type:
- Single Family w/ Acreage
- Level:
- Two Story
- Tax Year:
- 2025
- Taxes:
- $19,694
- Potential Short Sale:
- No
- Age:
- 11 - 20 Years
- Auction:
- No
- Flood Ins Required:
- Yes
- HUD Owned:
- No
- In Foreclosure:
- No
- Land Size:
- 10 - 19.9 Acres
- Home Owner Exempt:
- No
- HOA Frequency:
- Annual
- HOA Fees:
- $1,000
- Virtual Tour:
- https://my.matterport.com/show/?m=Top7UtrgTQA
- Inc Kitchen Features:
- Breakfast bar, Dishwasher, Disposal, Microwave, Pantry, Refrigerator, Island, Double oven, Water softener own, Oven/range built-in, Countertop-quartz, Gas Range
- Lot Features:
- Garden Space, Waterfront, Borders Public Owned Land, Dog Run, Irrigation Available, View, Chickens, Flood plain, Finished Driveway, Wooded, Dock, Permit Available, Lake, Pond Private, River, RV Parking
- Water:
- Individual well
- Land Use:
- Single
- Sprinkler System:
- Auto,Drip,Full,Irrigation
Residential For Sale
21805 KOA Lane, Star, Idaho 83669
- Property Type :
- Residential
- Listing Type :
- For Sale
- Status :
- Active
- Listing ID :
- 98988268
- Price :
- $8,977,000
- Bedrooms :
- 5
- Bathrooms :
- 7
- Apx SqFt :
- 11,919 SqFt
- Year Built :
- 2015
- Lot Area :
- 17.12 Acres
- Days on Market :
- 3
- Subdivision :
- 0 Not Applicable
- Update Date :
- 06/01/2026 06:01:33