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$19,500,000

  • For Sale
  • Active
  • Single Family
  • 4 Beds
  • 4 Full Baths
  • 2 Partial Baths
  • 5,213 Sq. Ft.
  • 2 Car Garage
  • Updated 1 day ago
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Imagine owning your own mountain. Your own private national park. Imagine miles of hiking trails, all your very own. Panoramic views at every turn. Imagine endless sunsets with boundless views. This is where dreams become reality. The Summit at Bow Mountain is the ultimate expression of nature, architecture, and quiet luxury. Nearly the entire mountain is yours -- 17 private acres of pristine wilderness AND 2 1/2 miles of private hiking trails. Every trail, ridgeline, and horizon belongs to you! The extraordinary residence is fully permitted and awaits your customization and personalization to create the mountaintop retreat that embodies who you are and the life you aspire to. Don't miss this once-in-a-generation chance to create a legacy estate on Boulder's most breathtaking landscape. Just minutes from downtown Boulder, yet miles from ordinary. This is the Summit at Bow Mountain.

Full Property Details for 634 Fountaintree Ln

General

  • Price: $19,500,000
  • Taxes: $16,765 (2024)
  • Status: Active
  • Type: Single Family
  • Source: IRES
  • MLS ID: 1048310
  • Updated: 1/14/2026
  • Added to Site: 39 day(s) ago

Interior

  • Interior Features: Eat-In Kitchen, Separate Dining Room, Cathedral Ceiling(s), Open Floorplan, Pantry, Walk-In Closet(s), Wet Bar, Washer/Dryer Hookup, Skylights, Kitchen Island
  • Fireplace(s): None
  • Appliances: Electric Range, Dishwasher, Refrigerator, Bar Fridge, Washer, Dryer, Microwave, Disposal, Fire Alarm

Rooms

Bathrooms

  • Total Bathrooms: 6
  • Full Bathrooms: 4
  • Half Bathrooms: 2
  • Main Floor Baths: 2

Bedrooms

  • Total Bedrooms: 4

Additional Information

  • Pool: Yes
  • Pool Description: Private

Exterior

  • Exterior Features: Balcony, Hot Tub, Oversized Garage
  • Porch/Patio/Deck: Patio, Deck

Parking

  • Garage: Yes
  • Attached garage: Yes
  • Garage Spaces: 2
  • Garage Description: Attached

Location

  • Area: Boulder
  • County: Boulder
  • Subdivision: Pine Brook Hills

School Information

  • School District: Boulder Valley Dist RE2
  • Elementary School: Foothill
  • Middle School: Centennial
  • High School: Boulder

Heating & Cooling

  • Cooling Type: Central Air
  • Heating Type: Forced Air, Radiant

Utilities

  • Gas: Yes
  • Sewer: Septic Tank
  • Water: District
  • Utility Description: Natural Gas Available, Electricity Available, Cable Available, High-Speed Internet Available

Structural Information

  • Architectural Style: Contemporary
  • Builder: Silver Lining Builders
  • Construction: Frame, Concrete
  • Exterior Const.: Frame, Concrete
  • Basement Desc.: None
  • Roof: Rubber
  • Windows: Skylight(s)
  • Square Feet: 5,213
  • Sq. Ft. Source: Plans
  • Living Area: 5,213 Sq. Ft.
  • Year Built: 2027

Lot Features

  • Property View: Mountain(s)
  • Mountain views: Yes
  • Lot Size (Acres): 17.77
  • Lot Size (Sq. Ft.): 774,236
  • Frontage: Priv Rd up to County Standards
  • Street/Road Desc.: Asphalt
  • Lot Features: Wooded, Sloping Lot, House Faces East
  • Potential Use: Single-Family
  • Zoning: F

Green Features

  • Energy Efficient: Windows, Photovoltaic Owned

Financial Considerations

  • Tax Amount: $16,765
  • Tax Year: 2024
  • Terms: Cash, Conventional

Disclosures and Reports

  • Special Conditions: Private Owner
  • Exclusions: None
  • Property ID: R0034103

Listed by The Agency - Boulder (720) 577-5503

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Listing agent

— 634 Fountaintree Ln —

  • The Agency - Boulder

    720-577-5503

7203941997

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 634 Fountaintree Ln

School District:Boulder Valley School District Re-2
NameGradesDistance
Foothill Elementary School
1001 Hawthorn Avenue, Boulder, CO 80304
K-51.9 mi
Centennial Middle School, Boulder, CO
2205 Norwood Avenue, Boulder, CO 80304
6-82.2 mi
Boulder High School
1604 Arapahoe Avenue, Boulder, CO 80302
9-123.4 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 634 Fountaintree Ln Get Price Alerts and Save Property

Date
Details
Price
Change
Source
12/10/2025
Listed
$19,500,000
6742.11%
MLS
7/20/2018
Sold
$285,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 634 Fountaintree Ln

Year
Property Taxes
Change
Tax Assessment
Change
2024
$16,765
2%
$185,046
—
2023
$16,490
105%
$185,046
124%
2022
$8,043
8%
$82,650
—
2021
$7,441
-1%
$82,650
—
2019
$7,536
3%
$82,650
6%
2018
$7,287
-68%
$78,300
-68%
2017
$22,429
315%
$248,530
328%
2016
$5,400
5%
$58,000
—
2015
$5,131
5%
$58,000
11%
2014
$4,901
-65%
$52,200
-66%
2013
$13,981
—
$152,221
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Listed by The Agency - Boulder (720) 577-5503

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634 Fountaintree Ln, Boulder, CO 80304 (MLS# 1048310) is a Single Family property with 4 bedrooms, 4 full bathrooms and 2 partial bathrooms. 634 Fountaintree Ln is currently listed for $19,500,000 and was received on December 10, 2025. Want to learn more about 634 Fountaintree Ln? Do you have questions about finding other Single Family real estate for sale in Boulder? You can browse all Boulder real estate or contact a Coldwell Banker agent to request more information.

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