
Recreational Land with Home for Sale in Star, Idaho
21805 Koa Ln, Star, ID 83669
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.
Location
- Street address
- 21805 Koa Ln
- County
- Canyon County
- Zip code
- 83669
- School district
- Middleton School District #134
- Elevation
- 2,454 feet
Directions
Use Google Maps to get to the location address. From Downtown Star, Continue West on Highway 44, S on Bent Ln, SE on Castagnola Ln, Then S on Chateau Ct.
Property details
- Acreage
- 17.12 acres
- MLS #
- IMLS 98988268
- Posted
Property taxes
- 2025
- $19,694
Expenses
- Homeowner Association Fee
- $1,000 annually
Parcels
- R34035010B0
Legal description
13-4N-2W NE TX 22615 IN SENE & GOVT LT 1 & NESE
Details and features
Listing
- Type
- Residential
Lot
- Waterfront
- Lake, Pond, Waterfront
- Features
- 10-19.9 Acres, Auto Sprinkler System, Borders Public Owned Land, Chickens, Dog Run, Drip Sprinkler System, Flood Plain, Full Sprinkler System, Garden, Irrigation Available, Irrigation Sprinkler System, Views, Wooded
Exterior
- Parking Spaces
- 16
- Parking
- Driveway, Garage, RV
- Pool
- Patio
- Hot Tub
- Yes
Structure
- Stories
- 2
- Water
- Well
- Sewer
- Septic Tank
- Heating
- Forced Air, Passive Solar, Solar
- Cooling
- Central Air
- Materials
- Frame, Stone, Stucco
Interior
- Rooms
- Bathroom x 7, Bedroom x 5, Den, Family Room
- Flooring
- Hardwood
- Appliances
- Dishwasher, Disposal, Double Oven, Gas Range, Microwave, Oven/Range Built-In, Refrigerator, Water Softener Owned
- Features
- Bath-Master, Bed-Master Main Level, Breakfast Bar, Den/Office, Family Room, Great Room, Guest Room, Kitchen Island, Pantry, Quartz Counters, Rec/Bonus, Sauna/Steam Room, Split Bedroom, Two Kitchens, Two Master Bedrooms, Walk in Shower, Walk-In Closet(s)
Property utilities
| Category | Type | Status |
|---|---|---|
| Power | Solar | Connected |
Nearby schools
| Name | Type | District |
|---|---|---|
| Mill Creek | Elementary | Middleton School District #134 |
| Middleton JR | Middle | Middleton School District #134 |
| Middleton | High | Middleton School District #134 |
Listing history
| Date | Event | Price | Change | Source |
|---|---|---|---|---|
| May 29, 2026 | New listing | $8,977,000 | — | IMLS |

















































