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.
New construction
$5,500,000
9578 Mountain Ridge Dr, Boulder, CO 80302
4beds
5,133sqft
Est.:
Residential-Detached, Residential
Built in 2025
2 Acres Lot
$-- Zestimate®
$1,071/sqft
$292/mo HOA
What's special
Roaring fireplacePanoramic viewsPrivate terraceSpa-inspired bathMultiple decks and terracesCustom dressing roomFloor-to-ceiling glass
- 245 days |
- 355 |
- 5 |
Zillow last checked: 8 hours ago
Listing updated: December 30, 2025 at 08:26pm
Listed by:
Cari Higgins 303-717-9934,
Compass - Boulder,
Isabel Haas 808-365-4609,
Compass - Boulder
Source: IRES,MLS#: 1032965
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 5
- Full bathrooms: 4
- 1/2 bathrooms: 1
- Main level bedrooms: 1
Primary bedroom
- Area: 459
- Dimensions: 27 x 17
Bedroom 2
- Area: 342
- Dimensions: 19 x 18
Bedroom 3
- Area: 266
- Dimensions: 19 x 14
Bedroom 4
- Area: 320
- Dimensions: 20 x 16
Dining room
- Area: 588
- Dimensions: 28 x 21
Kitchen
- Area: 252
- Dimensions: 12 x 21
Living room
- Area: 644
- Dimensions: 28 x 23
Heating
- Forced Air
Cooling
- Central Air
Appliances
- Laundry: Main Level
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
Property
Parking
- Total spaces: 3
- Parking features: Garage - Attached
- Attached garage spaces: 3
- Details: Garage Type: Attached
Features
- 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
- Architectural style: Ranch
- Property subtype: Residential-Detached, Residential
Materials
- Wood/Frame
- Roof: Composition
Condition
- Under Construction
- New construction: Yes
- Year built: 2025
Utilities & green energy
- Electric: Electric, PVREA
- Gas: Natural Gas, XCEL
- Sewer: Septic
- Water: District Water, Left Hand Water
- 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
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
- Cumulative days on market: 246 days
- Listing terms: Cash,Conventional
- Electric utility on property: Yes
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 5/2/2025 | Listed for sale | $5,500,000+633.3%$1,071/sqft |
Source: | ||
| 1/27/2025 | Sold | $750,000-37.2%$146/sqft |
Source: Public Record Report a problem | ||
| 7/15/2008 | Listing removed | $1,195,000$233/sqft |
Source: Listhub #571238 Report a problem | ||
| 6/10/2008 | Listed for sale | $1,195,000-2.4%$233/sqft |
Source: Listhub #571238 Report a problem | ||
| 6/5/2007 | Sold | $1,225,000+25.6%$239/sqft |
Source: Public Record Report a problem | ||
Public tax history
Public tax history
| Year | Property taxes | Tax 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% |
Find assessor info on the county website
BuyAbility℠ payment
Est. payment
$31,858/mo
Principal & interest
$27212
Property taxes
$2429
Other costs
$2217
Climate risks
Neighborhood: 80302
Nearby schools
GreatSchools rating
- 8/10Blue Mountain Elementary SchoolGrades: PK-5Distance: 6 mi
- 9/10Altona Middle SchoolGrades: 6-8Distance: 6.6 mi
- 8/10Silver Creek High SchoolGrades: 9-12Distance: 6.3 mi
Schools provided by the listing agent
- Elementary: Eagle Crest
- Middle: Altona
- High: Silver Creek
Source: IRES. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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