415 Sonstelie Road, Kalispell, MT 59901

$3,250,000

Bedrooms: 4
Bathrooms: 1 | 2
Sq. Ft.: 2,557
Type: Farm
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Experience the legacy of Montana living on this exceptional 28+ acre Flathead River property just minutes from Kalispell. Offering apx 250 ft of Flathead River frontage, this rare homestead-era estate blends productive agricultural land, recreation, privacy, and long-term investment potential in one remarkable setting. The 1905 farmhouse features 4 bedrooms and 3 bathrooms, preserving historic character while providing functional living space surrounded by expansive mountain and valley scenery. Enjoy boating, fishing, wildlife viewing, and direct river access from your own property. Additional improvements include a 768 sq ft finished garage, 2,100 sq ft implement shed, newer 1,872 sq ft shop with 432 sq ft lean-to, two 384 sq ft steel storage sheds with concrete floors and overhead doors, plus an additional storage shed. Six grain bins with aerators offer apx 24,000 bushels of capacity. Four water rights convey. Ideal for agricultural use, equestrian potential, recreation, legacy ownership, investment, or a private Montana retreat near Glacier Park International Airport, Glacier National Park, and Flathead Valley amenities. Rich local history ties this property to generations of the Sonstelie family, whose roots in the valley date back to the late 1800s.
Property Features
Location Information
County: Flathead
Latitude: 48.16854645
Longitude: -114.16049936
Directions: Hwy 35 South, Egan Slough Rd turnoff, follow 1.1 mile to Egan Slough Rd then left on Sonsteile Rd, follow slightly left into driveway
Interior Features
Interior: Main Level Primary
Full Baths: 1
3/4 Baths: 2
Number of Fireplaces: 0
Heating: Baseboard, Electric, Gas, Propane, Stove
Cooling: Ductless, Window Unit(s)
Appliances: Dryer, Range, Refrigerator, Water Softener, Washer
Basement Description: Unfinished
Has Basement: Yes
Exterior Features
Style: Ranch
Levels: One and One Half
Construction: Vinyl Siding, Wood Frame
Exterior: Propane Tank - Owned, Propane Tank - Leased
Water Source: Well
Septic or Sewer: Private Sewer, Septic Tank
Utilities: Electricity Connected, Propane, Phone Connected
Parking Description: Additional Parking, Boat, Circular Driveway, RV Access/Parking
Has Attached Garage: No
Garage Spaces: 4
Irrigation: Deeded Water Rights, Well
Other Structures: Grain Storage, Other, Shed(s), Well House, Workshop
Lot Features: Agricultural, Back Yard, Corners Marked, Front Yard, Garden, Landscaped, Secluded, Views, Level
Topography: Level
Lot Size in Acres: 28.08
Lot Size in Sq. Ft.: 1,223,164
Zoning: Egan Slough
Road Description: County Road, Gravel
Waterfront Name: Flathead River
Waterfront Description: Dock Access, Navigable Water, River Front, Waterfront
Has Waterfront: Yes
View Description: Mountain(s), Creek/Stream, Trees/Woods
Additional Information
Property Type: FRM
Property SubType: Farm
Year Built: 1905
Status: Active
Tax Year: 2025
Tax Amount: $1,175.38
Exclusions: Metal ramp and all irrigation and farming equipment-seller will sell but separately. Grain in bins.


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Principal + Interest: $
Monthly Tax: $
Monthly Insurance: $
Term
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Down Payment
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List Price:
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Based on a fully amortized fixed rate loan. Ask your agent for the tax rates in your area. Insurance estimate is based on an average cost, your final premium cost will be determined by the type of coverage you select. This program only provides an estimate.

Seller's Representative: Rena Saunier, Big Sky Properties of Montana, Inc.

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Montana Regional data last updated at June 12, 2026, 3:56 PM MT