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New construction
  • $5,500,000

    9578 Mountain Ridge Dr, Boulder, CO 80302

    4beds
    5,133sqft
    : 
    Single Family Residence
    Built in 2025
    2 Acres Lot
    $-- Zestimate®
    $1,071/sqft
    $292/mo HOA

    What's special

    Panoramic viewsSpa-inspired bathMultiple decks and terracesCustom dressing roomThree additional ensuite bedroomsFramed by floor-to-ceiling glass
    A Mountain Modern Masterpiece in the Heart of Boulder's Front Range, to be completed by the end of 2025! Perched above the clouds in the exclusive and very private Mountain Ridge gated community, this contemporary mountain estate redefines elevated living. 5,133 square feet of exquisite design and luxury craftsmanship, this estate seamlessly blends bold, clean lines with the natural grandeur of Boulder's Front Range legendary landscape. Framed by floor-to-ceiling glass, the panoramic views are nothing short of breathtaking-from the iconic sandstone towers of the Flatirons rising in sculptural splendor to the shimmering skyline of Denver stretching across the horizon. Every sunrise casts a golden glow across the valleys below, while city lights twinkle in the distance each evening like a sea of stars.The open-concept interior flows effortlessly between expansive living, dining, and entertaining spaces, anchored by a state-of-the-art chef's kitchen, a dramatic great room with soaring ceilings with exposed steel beams, and a roaring fireplace that merges indoor elegance with outdoor serenity, all with a Net Zero energy performance. Multiple decks and terraces invite you to breathe in the crisp mountain air, entertain beneath the alpenglow, or simply watch hawks glide on thermals over the foothills.Retreat to a primary suite designed as a personal sanctuary, complete with a spa-inspired bath, custom dressing room, and private terrace perched high above native and natural landscape of the property. Three additional ensuite bedrooms ensures there's space for every guest. Located just minutes from downtown Boulder's renowned shops, restaurants, and trailheads, this is where modern luxury meets wild beauty. Whether as a full-time residence or a seasonal escape, this home is a rare opportunity to own a piece of Colorado's most iconic terrain, with the Rocky Mountains your feet.
    332 days
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    483
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    12
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    Zillow last checked: 7 hours ago

    Listing updated: January 26, 2026 at 12:45pm

    Listed by:

    Cari Higgins 3037179934,

    Compass - Boulder,

    Isabel Haas 808-365-4609,

    Compass - Boulder

    Source: IRES as distributed by MLS GRID,MLS#: 1032965MLS Logo

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      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 5
      • Full bathrooms: 4
      • 1/2 bathrooms: 1
      • Main level bathrooms: 2
      Primary bedroom
      • Description: Hardwood
      • Features: Luxury Features Primary Bath, 5 Piece Primary Bath
      • Level: Main
      • Area: 459 Square Feet
      • Dimensions: 17 x 27
      Bedroom 2
      • Level: Lower
      • Area: 342 Square Feet
      • Dimensions: 18 x 19
      Bedroom 3
      • Level: Lower
      • Area: 266 Square Feet
      • Dimensions: 14 x 19
      Bedroom 4
      • Level: Lower
      • Area: 320 Square Feet
      • Dimensions: 16 x 20
      Dining room
      • Level: Main
      • Area: 588 Square Feet
      • Dimensions: 21 x 28
      Kitchen
      • Description: Hardwood
      • Level: Main
      • Area: 252 Square Feet
      • Dimensions: 21 x 12
      Laundry
      • Level: Main
      • Area: 121 Square Feet
      • Dimensions: 11 x 11
      Living room
      • Level: Main
      • Area: 644 Square Feet
      • Dimensions: 23 x 28
      Recreation room
      • Area: 374 Square Feet
      • Dimensions: 22 x 17
      Heating
      • Forced Air
      Cooling
      • Central Air
      Appliances
      • Included: No Inclusions
      Features
      • Basement: Partially Finished
      Interior area
      • Total structure area: 5,133
      • Total interior livable area: 5,133 sqft
      • Finished area above ground: 5,133
      • Finished area below ground: 0
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      Property

      Parking
      • Total spaces: 3
      • Parking features: Attached
      • Attached garage spaces: 3
      • Details: Attached
      Features
      • Levels: One
      • Stories: 1
      • Has view: Yes
      • View description: Hills, Plains View, City
      Lot
      • Size: 2 Acres
      Details
      • Parcel number: R0109308
      • Zoning: SFR
      • Special conditions: Private Owner

      Construction

      Type & style
      • Home type: SingleFamily
      • Property subtype: Single Family Residence
      Materials
      • Frame
      • Roof: Composition
      Condition
      • New construction: Yes
      • Year built: 2025

      Utilities & green energy

      • Electric: PVREA
      • Gas: XCEL
      • Sewer: Septic Tank
      • Water: District
      • Utilities for property: Natural Gas Available, Electricity Available

      Community & HOA

      Community
      • Subdivision: Mountain Ridge
      HOA
      • Has HOA: Yes
      • Services included: Common Amenities
      • HOA fee: $3,500 annually
      • HOA name: Mountain Ridge HOA
      Location
      • Region: Boulder

      Financial & listing details

      • Price per square foot: $1,071/sqft
      • Tax assessed value: $378,100
      • Annual tax amount: $1,934
      • Date on market: 5/2/2025
      • Listing terms: Cash,Conventional
      • Electric utility on property: Yes
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        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        Price history
        DateEventPrice
        5/2/2025Listed for sale$5,500,000+633.3%$1,071/sqft
        Source: REcolorado as distributed by MLS GRID #IR1032965 Report a problem
        1/27/2025Sold$750,000-37.2%$146/sqft
        Source: Public Record Report a problem
        7/15/2008Listing removed$1,195,000$233/sqft
        Source: Listhub #571238 Report a problem
        6/10/2008Listed for sale$1,195,000-2.4%$233/sqft
        Source: Listhub #571238 Report a problem
        6/5/2007Sold$1,225,000+25.6%$239/sqft
        Source: Public Record Report a problem
        9/13/2000Sold$975,000+427%$190/sqft
        Source: Public Record Report a problem
        4/19/1994Sold$185,000$36/sqft
        Source: Public Record Report a problem

        Public tax history

        Public tax history
        YearProperty taxesTax assessment
        2025$1,959 +1.3%$23,631 +4.6%
        2024$1,934 -9.2%$22,591 -1%
        2023$2,131 +2%$22,811 +14.4%
        2022$2,088 -70.5%$19,947 -2.8%
        2021$7,088 $20,521 -75.5%
        2020$7,088 +4.3%$83,806
        2019$6,797 $83,806 +20.9%
        2018$6,797 $69,343 -9.5%
        2017$6,797 -6.3%$76,663 +4.3%
        2016$7,251 +4.8%$73,535 +7.9%
        2015$6,920 +7.5%$68,161
        2014$6,437 -20.4%$68,161
        2013$8,085 +7%$68,161 -23.5%
        2012$7,557 -10.1%$89,152
        2011$8,407 +1.8%--
        2010$8,257 +0.8%$100,130
        2009$8,189 +12.5%$100,130 -13%
        2008$7,279 +10.8%$115,090
        2007$6,568 -1.9%$115,090 +11.3%
        2006$6,697 +4.3%$103,440
        2005$6,423 +1.2%$103,440 +3.6%
        2004$6,346 -0.1%$99,840
        2003$6,351 +10.9%$99,840
        2002$5,726 --
        2001-- $945,900

        Find assessor info on the county website

        BuyAbility℠ payment

        Est. payment
        $30,933/mo
        Principal & interest
        $28212
        Property taxes
        $2429
        HOA Fees
        $292
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          Climate risks

          Neighborhood: 80302

          Getting around

          0 / 100
          Car-Dependent
          0 / 100
          No Nearby Transit
          6 / 100
          Somewhat Bikeable

          Nearby schools

          GreatSchools rating
          Schools provided by the listing agent
          • Elementary: Eagle Crest
          • Middle: Altona
          • High: Silver Creek

          Source: IRES as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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