A true architectural tour de force, this newly completed Mountain Ridge estate redefines modern luxury against one of Boulder's most breathtaking natural backdrops. Designed by award-winning Studio B, with interiors by Studio Brother John and landscaping by Evoke, this striking residence rests on a premier, private three-acre lot bordered by over 6,300 acres of protected open space in the gated Mountain Ridge community. Floor-to-ceiling architectural-grade windows frame unobstructed vistas stretching from the Flatirons to Pikes Peak, the Denver skyline and the eastern plains, immersing every space in light, sky and landscape. The expansive layout offers en-suite baths throughout, an inspiring office or lounge and a flexible lower level ideal for fitness, media or recreation. Interiors showcase globally sourced finishes, including European white oak floors from France, sculptural Cocoon fixtures from Holland, custom white oak cabinetry by BKI Millwork and a chef's kitchen appointed with Gaggenau and Miele appliances. Outdoor living is equally extraordinary, featuring a dining deck, stainless steel hot tub and sunken conversation pit perfectly positioned for sunrise and sunset views. Sustainable, intelligent and impeccably crafted by Morningstar Homes, this residence is more than a home - it is a refined expression of design, privacy and Boulder's unmatched natural beauty.
New construction
$8,300,000
9631 Mountain Ridge Pl, Boulder, CO 80302
4beds
4,410sqft
Est.:
Single Family Residence
Built in 2025
3.1 Acres Lot
$-- Zestimate®
$1,882/sqft
$261/mo HOA
What's special
Dining deckEn-suite baths throughoutStainless steel hot tubFloor-to-ceiling architectural-grade windowsExpansive layoutPremier private three-acre lotOutdoor living
- 14 hours |
- 320 |
- 16 |
Zillow last checked:
Listing updated:
Listed by:
John Canova 7203176658,
milehimodern - Boulder
Source: IRES,MLS#: 1051864
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 5
- Full bathrooms: 1
- 3/4 bathrooms: 3
- 1/2 bathrooms: 1
- Main level bathrooms: 4
Primary bedroom
- Description: Hardwood
- Features: Full Primary Bath
- Level: Main
- Area: 180 Square Feet
- Dimensions: 12 x 15
Bedroom 2
- Level: Main
Bedroom 3
- Level: Main
Bedroom 4
- Level: Main
Bedroom 5
- Level: Main
Dining room
- Description: Hardwood
- Level: Main
Kitchen
- Description: Hardwood
- Level: Main
- Area: 144 Square Feet
- Dimensions: 8 x 18
Laundry
- Level: Main
Living room
- Description: Hardwood
- Level: Main
Study
- Level: Main
Heating
- Radiant
Cooling
- Central Air
Appliances
- Included: Electric Range, Dishwasher, Refrigerator, Bar Fridge, Washer, Dryer
- Laundry: Washer/Dryer Hookup
Features
- Eat-in Kitchen, Separate Dining Room, Cathedral Ceiling(s), Open Floorplan, Pantry, Walk-In Closet(s), Kitchen Island, High Ceilings
- Flooring: Wood
- Windows: Skylight(s)
- Basement: Partial,Partially Finished
- Has fireplace: Yes
- Fireplace features: Free Standing, Living Room
Interior area
- Total structure area: 4,410
- Total interior livable area: 4,410 sqft
- Finished area above ground: 3,605
- Finished area below ground: 805
Video & virtual tour
Property
Parking
- Total spaces: 2
- Parking features: Garage Door Opener, Attached
- Attached garage spaces: 2
- Details: Attached
Features
- Levels: One
- Stories: 1
- Patio & porch: Patio, Deck
- Spa features: Heated
- Has view: Yes
- View description: Mountain(s), Hills, City
Lot
- Size: 3.1 Acres
- Features: Sloped, Abuts Public Open Space, Xeriscape, Paved
Details
- Parcel number: R0109299
- Zoning: A
- Special conditions: Licensed Owner
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Contemporary
- Property subtype: Single Family Residence
Materials
- Frame, Wood Siding, Painted/Stained
- Roof: Metal
Condition
- New construction: Yes
- Year built: 2025
Utilities & green energy
- Electric: Photovoltaics Seller Owned
- Sewer: Septic Tank
- Water: District
- Utilities for property: Natural Gas Available, Electricity Available
Green energy
- Energy efficient items: Windows
Community & HOA
Community
- Security: Fire Alarm
- Subdivision: Mountain Ridge
HOA
- Has HOA: Yes
- HOA fee: $784 quarterly
Location
- Region: Boulder
Financial & listing details
- Price per square foot: $1,882/sqft
- Tax assessed value: $488,280
- Annual tax amount: $3,442
- Date on market: 2/18/2026
- Listing terms: Cash,Conventional
- Exclusions: Seller's personal property + all staging items
- Electric utility on property: Yes
- Road surface type: Asphalt
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 2/18/2026 | Listed for sale | $8,300,000+1744.4%$1,882/sqft |
Source:  IRES #1051864 Report a problem | ||
| 10/30/2023 | Sold | $450,000-25%$102/sqft |
Source: IRES #986189 Report a problem | ||
| 9/16/2023 | Pending sale | $599,990$136/sqft |
Source:  REcolorado #IR986189 Report a problem | ||
| 9/7/2023 | Price change | $599,990+0%$136/sqft |
Source: IRES #986189 Report a problem | ||
| 6/6/2023 | Price change | $599,900-20%$136/sqft |
Source: IRES #986189 Report a problem | ||
| 4/25/2023 | Listed for sale | $750,000$170/sqft |
Source: IRES #986189 Report a problem | ||
| 11/21/2022 | Listing removed | -- |
Source: IRES #973982 Report a problem | ||
| 8/24/2022 | Listed for sale | $750,000-16.6%$170/sqft |
Source: IRES #973982 Report a problem | ||
| 8/20/2022 | Listing removed | -- |
Source: IRES #967458 Report a problem | ||
| 6/3/2022 | Listed for sale | $899,000-28.4%$204/sqft |
Source: IRES #967458 Report a problem | ||
| 8/27/2010 | Sold | $1,256,063-0.2%$285/sqft |
Source: Public Record Report a problem | ||
| 11/25/2009 | Price change | $1,258,750-49.6%$285/sqft |
Source: RE/MAX Alliance #609368 Report a problem | ||
| 7/30/2009 | Price change | $2,500,000-9.1%$567/sqft |
Source: Fuller Sotheby's International Realty #562998 Report a problem | ||
| 1/29/2009 | Price change | $2,750,000-8.2%$624/sqft |
Source: Listhub #633598 Report a problem | ||
| 1/26/2009 | Listed for sale | $2,995,000$679/sqft |
Source: Listhub #633598 Report a problem | ||
Public tax history
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $2,613 +1.3% | $30,518 +5.2% |
| 2024 | $2,580 +4% | $29,019 -1% |
| 2023 | $2,481 +2.1% | $29,301 +25.8% |
| 2022 | $2,431 -82.5% | $23,283 -2.8% |
| 2021 | $13,886 | $23,953 -85.8% |
| 2020 | $13,886 +20.2% | $168,862 |
| 2019 | $11,554 | $168,862 +43% |
| 2018 | $11,554 | $118,087 -9.5% |
| 2017 | $11,554 -17.3% | $130,552 -8% |
| 2016 | $13,967 +4.8% | $141,934 +26.4% |
| 2015 | $13,329 +25.9% | $112,315 |
| 2014 | $10,588 -22% | $112,315 |
| 2013 | $13,580 +9.5% | $112,315 |
| 2011 | $12,401 +1.8% | -- |
| 2010 | $12,177 +8.5% | $147,860 |
| 2009 | $11,222 +12.5% | $147,860 -11.5% |
| 2008 | $9,975 +21.7% | $166,980 |
| 2007 | $8,195 -8.4% | $166,980 +20.7% |
| 2006 | $8,944 +5.1% | $138,310 |
| 2005 | $8,506 +1.2% | $138,310 +4.5% |
| 2004 | $8,405 +6.8% | $132,380 |
| 2003 | $7,869 +10.9% | $132,380 +23.4% |
| 2002 | $7,095 | $107,240 -90.3% |
| 2001 | -- | $1,111,000 |
Find assessor info on the county website
BuyAbility℠ payment
Est. payment
$44,651/mo
Principal & interest
$40724
Property taxes
$3666
HOA Fees
$261
Climate risks
Neighborhood: 80302
Nearby schools
GreatSchools rating
- 8/10Blue Mountain Elementary SchoolGrades: PK-5Distance: 6.2 mi
- 9/10Altona Middle SchoolGrades: 6-8Distance: 6.8 mi
- 8/10Silver Creek High SchoolGrades: 9-12Distance: 6.5 mi
Schools provided by the listing agent
- Elementary: Blue Mountain
- 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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