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For sale
  • $2,800,000

    850 Fortress Rd, Gallatin Gateway, MT 59730

    3beds
    3,875sqft
    : 
    $17,275/mo
    Get pre-qualified
    Single Family Residence
    Built in 2002
    12.84 Acres Lot
    $2,660,200 Zestimate®
    $723/sqft
    $125/mo HOA

    What's special

    Mature forestPrivate primary suiteLong private driveOpen landProtected open spacesLoft office
    There is a rare sense of peace and privacy at 850 Fortress Road. A long private drive leads to a home surrounded by mature Douglas fir and pine, open land, and the quiet sounds of nature. Despite being only minutes from Big Sky’s shopping, restaurants, and amenities, the property feels worlds away from the activity of the resort. Here, the pace slows and Montana’s natural beauty takes center stage. Privacy is one of the defining qualities of this property. Open space protects the land across from the home, preserving the expansive view and open landscape. The neighboring lot was also intentionally acquired by the owners and a neighbor to create an additional privacy buffer. The result is a peaceful setting with very little surrounding development and a true sense of seclusion. The front porch is the heart of the property, overlooking the landscape and providing a front-row seat to Montana’s seasons. Mornings bring coffee and wildlife—deer in summer and elk in winter. Evenings offer sunsets, the calls of sandhill cranes, and hawks overhead, while the firepit provides the perfect place to gather. It is not unusual to watch bull elk spar from the property, and spring brings calves to the nursery pasture across the road. The approximately 3,875-square-foot home is thoughtfully arranged across three levels, with three bedrooms and three bathrooms—one on each floor for exceptional privacy. The main level features a warm and inviting open living, dining, and kitchen area with views toward the Spanish Peaks, along with a sunroom opening to a spacious back deck. The upper level offers a loft office and private primary suite. The lower level includes a bedroom and bath, family room, second kitchen, sauna, wine room, storage, and large patio—ideal for guests, entertaining, or additional living space. A beautiful guest cottage provides a sleeping area, living area, bathroom, porch, and campfire area. Above the garage, a partially completed space offers the opportunity to create a bonus room. 850 Fortress Road does not simply offer proximity to Montana—it feels like Montana. Mature forest, abundant wildlife, protected open spaces, privacy, adventure, and authentic Western character combine with convenient access to Big Sky to create a setting that is increasingly difficult to find.
    18 days
    1,638
    161

    Likely to sell faster than

    Zillow last checked:

    Listing updated:

    Listed by:

    Sandy Revisky de Leon 406-539-6316,

    PureWest Real Estate Big Sky

    Source: Big Sky Country MLS,MLS#: 414590Originating MLS: Big Sky Country MLS

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 3
      • Full bathrooms: 1
      • 3/4 bathrooms: 2
      Rooms
      • Room types: Three Quarter Bath, Bonus Room, Bedroom, Dining Room, Kitchen, Laundry, Loft, Living Room, Office, Family Room, Wine Room
      Primary bedroom
      • Level: Upper
      Bedroom
      • Level: Main
      Bedroom
      • Level: Upper
      Bonus room
      • Level: Main
      Den
      • Level: Upper
      Dining room
      • Level: Main
      Kitchen
      • Level: Main
      Laundry
      • Level: Main
      Living room
      • Level: Main
      Loft
      • Level: Upper
      Other
      • Level: Main
      Other
      • Level: Upper
      Heating
      • Propane, Radiant Floor
      Cooling
      • Ceiling Fan(s)
      Appliances
      • Included: Dryer, Dishwasher, Range, Refrigerator, Washer
      Features
      • Wet Bar, Fireplace, Vaulted Ceiling(s), Walk-In Closet(s), Window Treatments, Sun Room
      • Flooring: Hardwood, Partially Carpeted, Tile
      • Windows: Window Coverings
      • Basement: Bathroom,Bedroom,Egress Windows,Kitchen,Rec/Family Area,Walk-Out Access
      • Has fireplace: Yes
      • Fireplace features: Wood Burning
      Interior area
      • Total structure area: 3,875
      • Total interior livable area: 3,875 sqft
      • Finished area above ground: 2,363

      Property

      Parking
      • Total spaces: 2
      • Parking features: Detached, Garage
      • Garage spaces: 2
      Features
      • Levels: Two
      • Stories: 2
      • Patio & porch: Covered, Deck, Patio
      • Fencing: Partial
      • Has view: Yes
      • View description: Meadow, Mountain(s), Trees/Woods
      Lot
      • Size: 12.84 Acres
      Details
      • Additional structures: Guest House, Stable(s)
      • Parcel number: RLF44975
      • Zoning description: RCSF
      • Special conditions: None
      • Horse amenities: Stable(s)

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Cabin
      • Property subtype: Single Family Residence
      Materials
      • Log, Shingle Siding, Shake Siding, Wood Siding
      • Roof: Asphalt,Shingle
      Condition
      • New construction: No
      • Year built: 2002
      Details
      • Builder name: Rocky Mountain Rustics

      Utilities & green energy

      • Sewer: Septic Tank
      • Water: Well
      • Utilities for property: Electricity Available, Propane, Phone Available, Septic Available, Water Available

      Community & HOA

      Community
      • Security: Fire Sprinkler System, Heat Detector, Smoke Detector(s)
      • Subdivision: Porcupine Park
      HOA
      • Has HOA: Yes
      • Services included: Road Maintenance, Snow Removal
      • HOA fee: $1,500 annually
      Location
      • Region: Gallatin Gateway

      Financial & listing details

      • Price per square foot: $723/sqft
      • Tax assessed value: $3,699,300
      • Annual tax amount: $19,380
      • Date on market: 9/4/2026
      • Cumulative days on market: 21 days
      • Listing terms: Cash,1031 Exchange,3rd Party Financing
      • Ownership: Full
      • Electric utility on property: Yes
      • Road surface type: Gravel, Paved

        Estimated market value

        $2,660,200

        $2.53M - $2.79M

        $5,297/mo

        Price history

        DateEventPrice
        9/4/2026Listed for sale$2,800,000$723/sqft
        Source: Big Sky Country MLS #414590 Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$19,380 +29.7%$3,699,300 +18.9%
        2024$14,942 +6.1%$3,111,600
        2023$14,088 +28.5%$3,111,600 +63.9%
        2022$10,960 -11.7%$1,898,480
        2021$12,407 +32.6%$1,898,480 +18.2%
        2020$9,357 -2.9%$1,606,279 +5.5%
        2019$9,640 +20.1%$1,522,844 +22.5%
        2018$8,029 +6.3%$1,243,110
        2017$7,550 -2.6%$1,243,110 +17.4%
        2016$7,751 $1,058,741
        2015$7,751 +4.4%$1,058,741 +66.5%
        2014$7,424 +28.2%$635,752 +11.2%
        2013$5,791 +3.1%$571,816 +6.2%
        2012$5,618 $538,433
        2011-- --
        2010-- --
        2009-- --
        2008-- $610,600
        2007-- $610,600 +12.8%
        2006-- $541,500
        2005-- $541,500
        2004-- $541,500 +3.4%
        2003-- $523,900
        Find assessor info on the county website

        Monthly payment

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        Payment breakdown

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        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
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        Climate risks

        Neighborhood: 59730

        Getting around

        1 / 100
        Car-Dependent
        16 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating

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