Nestled along the Big Lost River in Idaho's spectacular Lost River Valley, this extraordinary 7.47-acre riverfront estate offers a rare combination of luxury, privacy, and self-sufficient mountain living. The 4,822 sq. ft. custom residence features 6 bedrooms and 4 baths, soaring ceilings, expansive gabled windows, and panoramic views of the Lost River Range. At the heart of the home stands a remarkable handcrafted Temp-Cast masonry fireplace spanning multiple levels, creating both an architectural centerpiece and radiant warmth throughout the residence. Large view windows frame the surrounding mountains and bring the beauty of the valley indoors. The property is beautifully landscaped with mature trees, lush lawns, and approximately 400 feet of Big Lost River frontage, providing exceptional wildlife viewing, fishing access, and year-round enjoyment. Improvements include a 2,400 sq. ft. insulated and heated RV/shop building with oversized doors, a 20' x 100' greenhouse, irrigation systems, and abundant space for recreation, equipment, animals, or future expansion. A truly unique riverfront retreat offering luxury, functionality, and breathtaking natural beauty in one of Idaho's most scenic mountain valleys. Rarely does a property of this caliber become available
For sale
Price cut: $100K (9/2)
$1,295,000
3925 N 3650 W, Mackay, ID 83251
6beds
4,822sqft
Single Family Residence
Built in 1985
7.47 Acres Lot
$1,200,000 Zestimate®
$269/sqft
$-- HOA
What's special
Architectural centerpieceLush lawnsExpansive gabled windowsSoaring ceilings
- 105 days
- 149
- 5
Zillow last checked:
Listing updated:
Listed by:
Mike Evans 208-776-0578,
Coldwell Banker Distinctive Properties
Source: SRMLS,MLS#: 2186983
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 4
- Full bathrooms: 4
- 1/2 bathrooms: 1
- Main level bathrooms: 2
- Main level bedrooms: 4
Dining room
- Level: Upper
Family room
- Level: Main
Kitchen
- Level: Upper
Living room
- Level: Upper
Basement
- Area: 0
Office
- Level: Main,Upper
Heating
- Electric, Baseboard, Cadet Style, See Remarks
Cooling
- None
Appliances
- Included: Dishwasher, Dryer, Disposal, Microwave, Exhaust Fan, Vented Exhaust Fan, Refrigerator, Washer, Plumbed For Water Softener
- Laundry: Upper Level, Laundry Room
Features
- Ceiling Fan(s), New Paint-Partial, Plumbed For Central Vac, Vaulted Ceiling(s), Walk-In Closet(s), Central Vacuum, Den/Study, Formal Dining Room, Game Room, Main Floor Family Room, Master Bath, Mud Room, Office, Pantry, Storage, Workshop, Theater Room
- Flooring: Carpet, Concrete, Hardwood, Laminate, New Floor Coverings-Partial
- Basement: Crawl Space
- Attic: Storage
- Number of fireplaces: 1
- Fireplace features: 1, Pellet Stove
Interior area
- Total structure area: 4,822
- Total interior livable area: 4,822 sqft
- Finished area above ground: 4,822
- Finished area below ground: 0
Property
Parking
- Total spaces: 6
- Parking features: 2 Stalls, 4 Stalls, Attached, Workshop in Garage, Garage Door Opener, Gravel, RV Access/Parking
- Attached garage spaces: 6
- Has uncovered spaces: Yes
Features
- Levels: Two
- Stories: 2
- Patio & porch: 1, Covered
- Exterior features: Barbecue
- Has spa: Yes
- Spa features: Bath
- Fencing: Chain Link,Partial,Other
- Has view: Yes
- View description: Mountain(s), Valley, Water
- Has water view: Yes
- Water view: Water
- Waterfront features: River Front, Waterfront, Pond
Lot
- Size: 7.47 Acres
- Features: Livestock Permitted, Level, Rural, Secluded, Wooded, Low Traffic, Near Stream/River, Established Lawn, Many Trees, Flower Beds, Garden, Sprinkler-Auto, Sprinkler System Full
Details
- Additional structures: Greenhouse, Outbuilding, Shed(s)
- Parcel number: RP06N25E13600A
- Zoning description: Custer-Residential
- Other equipment: Intercom
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Frame, Primary Exterior Material: Metal Siding, Primary Exterior Material: Vinyl Siding
- Foundation: Concrete Perimeter, Pressure Treated Wood
- Roof: Metal
Condition
- Year built: 1985
Utilities & green energy
- Electric: Lost River Electric
- Sewer: Private Sewer
- Water: Well
Community & HOA
Community
- Subdivision: None
HOA
- Has HOA: No
- Services included: None
Location
- Region: Mackay
Financial & listing details
- Price per square foot: $269/sqft
- Annual tax amount: $2,525
- Date on market: 6/10/2026
- Listing terms: Cash,Conventional
- Inclusions: Appliances: Range, Double Refrigerators, Dishwasher
- Exclusions: Hot Tub, Sauna, Freezers
Estimated market value
$1,200,000
$1.14M - $1.26M
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 9/2/2026 | Price change | $1,295,000-7.2%$269/sqft |
Source:  SRMLS #2186983 Report a problem | ||
| 6/10/2026 | Listed for sale | $1,395,000$289/sqft |
Source: SRMLS #2186983 Report a problem | ||
Public tax history
Tax history is unavailable.
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: 83251
Nearby schools
Schools provided by the listing agent
- Elementary: MACKAY 181EL
- Middle: MACKAY 181JH
- High: MACKAY 181HS
Source: SRMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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