9578 Mountain Ridge Dr

Boulder, CO 80302

$5,500,000
Last Sold Price
4
Beds
5,206 Sq. Ft.
$1,056 / Sq. Ft.
5,206
Sq. Ft.
$1,056
per Sq. Ft.
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Sold 5/22/26Virtual Tour
Sold 5/22/26Virtual Tour
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a house view with a outdoor space
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a balcony with furniture and outdoor view
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a view of dining room with furniture
a living room with lots of furniture and a wooden floor
a large kitchen with stainless steel appliances granite countertop a lot of counter space and wooden floors
a kitchen with stainless steel appliances granite countertop a lot of counter space and wooden floors
a living room with furniture and a floor to ceiling window
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a dining room with furniture a chandelier and window
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a living room with furniture and a large window
a living room with a furniture and a window
a living room with furniture
a bedroom with a large bed and a chandelier
a bedroom with a bed and a large window
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a living room with furniture and a large window
a bathroom with a double vanity sink a large mirror and a bathtub
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a living room with couches and kitchen view with wooden floor
a living room with lots of furniture and view kitchen
a living room with furniture and a lamp
a spacious bedroom with a bed and a flat screen tv
a bedroom with a bed and a flat screen tv
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Description

Perched above the clouds in the exclusive and very private Mountain Ridge gated community, this contemporary mountain estate redefines elevated living. 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....Perched above the clouds in the exclusive and very private Mountain Ridge gated community, this contemporary mountain estate redefines elevated living. 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.

Property Details for 9578 Mountain Ridge Drive

Locale
Boulder
LISTING UPDATED: 05/22/2026 04:40 PM

Property Details for 9578 Mountain Ridge Drive

StatusSold
MLS #1059364
Days on Compass2
Taxes$2,676 / year
HOA Fees$2,900 / year
Condo/Co-op Fees-
Property TypeSingle Family
MLS TypeResidential / Single Family Residence
Year Built2025
Lot Size2.00 AC / 87,120 SF
CountyBoulder County
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Location

Sold By Real, Jimmy Stewart

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Building Information for 9578 Mountain Ridge Drive

Stories-Year Built2025Building Size-Lot Size2.00 AC / 87,120 SF

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$27,872 per month

30 year fixed, 6.36% Interest

Principal and Interest

$27,407

Property Taxes

$223

HOA Dues

$242

The Payment Calculator is for illustrative purposes only.

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Property Information for 9578 Mountain Ridge Drive

Summary
Location and General Information
  • Latitude: 40.15
  • Longitude: -105.29
Parking
  • Total Parking: 3.00
  • Parking Features: Attached
Taxes and HOA Information
  • Fee Includes: Common Amenities
  • Has HOA: Yes
  • HOA Fee: $2,900.00
  • Legal Description: LOT 14 BLK 1 MOUNTAIN RIDGE
  • Tax Information: No
  • Has HOA 2: No
  • HOA2 Fee Amount: $0
  • Tax Year: 2025
  • Association Fee Frequency: Quarterly
  • Has HOA Covenants: Yes
  • HOA Transfer Fee: Yes
  • HOA 2 Transfer Fee: No
  • Association Name: Mountain Ridge HOA
  • Has Association Fee: Yes
  • Has Association 2 Fee: No
  • Has Association Reserve: No
  • Has Association 2 Reserve: No
  • Tax Annual Amount: $2,676
  • Parcel Number: R0109308
Property
Lot Information
  • Lot Size Area: 87,009.00
  • Has Irrigation Water Rights: No
  • Has Improvements: No
Property and Assessments
  • Total Finished Area Source: Plans
  • Living SqFt: 5017
  • Above Grade Finished Area Source: 5017
  • Sq Ft Apx: 0
  • Total Finished Area: 5017
  • Pano Url Position: 1
  • Property Attached YN: No
  • Are Ditches Active: No
  • New Construction YN: Yes
  • Levels: One
Utilities
  • Electric: PVREA
  • Sewer: Septic Tank
Interior and Exterior Features
Exterior Features
  • Construction Materials: Frame
Interior Features
  • Interior Features: Luxury Features Primary Bath, 5 Piece Primary Bath
  • Laundry Features: Gas Range, Double Oven, Dishwasher, Refrigerator, Bar Fridge, Washer, Dryer
  • All Bedrooms Conform: Yes
  • Full Bathrooms: 4
  • Half Bathrooms: 1
  • Rough-in Bathrooms: 0
  • Three Quarters Bathrooms: 0
  • Baths Full Additional: 0
  • Baths Full Basement: 0
  • Baths Full Upper: 0
  • Baths Full Main: 1
  • Baths Full Lower: 3
  • Baths Half Additional: 0
  • Baths Half Basement: 0
  • Baths Half Upper: 0
  • Baths Half Main: 1
  • Baths Half Lower: 0
  • Baths Three Quarters Additional: 0
  • Baths Three Quarters Basement: 0
  • Baths Three Quarters Lower: 0
  • Baths Three Quarters Upper: 0
  • Baths Three Quarters Main: 0
Room Information
Room 1
  • RoomLength: 19.0
  • RoomLevel: Lower
  • RoomType: Bedroom 2
  • RoomWidth: 18.0
Room 2
  • RoomLength: 19.0
  • RoomLevel: Lower
  • RoomType: Bedroom 3
  • RoomWidth: 14.0
Room 3
  • RoomLength: 20.0
  • RoomLevel: Lower
  • RoomType: Bedroom 4
  • RoomWidth: 16.0
Room 4
  • RoomLength: 28.0
  • RoomLevel: Main
  • RoomType: Dining Room
  • RoomWidth: 21.0
Room 5
  • RoomDescription: Hardwood
  • RoomLength: 12.0
  • RoomLevel: Main
  • RoomType: Kitchen
  • RoomWidth: 21.0
Room 6
  • RoomLength: 11.0
  • RoomLevel: Main
  • RoomType: Laundry
  • RoomWidth: 11.0
Room 7
  • RoomLength: 28.0
  • RoomLevel: Main
  • RoomType: Living Room
  • RoomWidth: 23.0
Room 8
  • RoomDescription: Hardwood
  • RoomLength: 27.0
  • RoomLevel: Main
  • RoomType: Primary Bedroom
  • RoomWidth: 17.0
  • Room Features: Luxury Features Primary Bath, 5 Piece Primary Bath
Room 9
  • RoomLength: 17.0
  • RoomType: Recreation Room
  • RoomWidth: 22.0
Rental
Rental Information
  • Horse YN: No
  • Occupant Type: Owner

Property History for 9578 Mountain Ridge Drive

DateEvent & SourcePriceAppreciation
Jan 24, 2025

Sold (Public Record)

Public Record #1550353633

$750,000

-2.7% / yr

Jun 5, 2007

Sold (Public Record)

Public Record #220616203

$1,225,000—
DateEvent & SourcePrice
01/24/2025

Sold (Public Record)

Public Record #1550353633

$750,000

-2.7% / yr

06/05/2007

Sold (Public Record)

Public Record #220616203

$1,225,000

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 9578 Mountain Ridge Drive

Taxable ValueLand$23,631Additions-Total$23,631
Tax Record2025$2,676 ($223 / month)
Home Facts
Beds4Total Finished SqFt2,112 SqFtAbove Grade Finished SqFt2,112 SqFtStories1Lot Size86,989 SqFtStyleSingle Family ResidenceYear Built1994Zoning1112CountyBOULDERAPN1319-12-0-01-014

Schools near 9578 Mountain Ridge Drive

This home is within St Vrain Valley Re 1j School District.
Rating
School
Type
Grades
Distance
Blue Mountain Elementary School
Public - PK to 5
Altona Middle School
Public - 6 to 8
Silver Creek High School
Public - 9 to 12
Flagstaff Charter Academy
Charter - PK to 8
Rating
School
Distance
Blue Mountain Elementary School
PublicPK to 5

Altona Middle School
Public6 to 8

Silver Creek High School
Public9 to 12

Flagstaff Charter Academy
CharterPK to 8

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Based on information submitted to the MLS GRID as of 05/22/2026 04:40 PM. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Properties displayed may be listed or sold by various participants in the MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. Use of the MLS GRID data may be subject to an end user license agreement prescribed by the applicable MLS of the Member Participant, if any, and as amended from time to time.