634 Fountaintree Lane Boulder, CO ^$ 12,900,000

634 Fountaintree Lane

^$ 12,900,000

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Recently Listed New Construction

634 Fountaintree Lane

Boulder, CO, 80304

^$ 12,900,000

Bedrooms4 Baths4.2 Sq 5,213

Monthly Estimate*

^$ 79,428

Listed by The Agency - Boulder

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Single Family Home for sale in Boulder, CO

for $12,900,000 with 4 bedrooms and 4 full baths, 2 half baths. This 5,213 square foot home was built in 2027 on a lot size of 17.77.

Introducing The Summit at Bow Mountain--a rare opportunity to own one of Boulder's most extraordinary private properties and create a truly bespoke mountain estate. Set atop 17 private acres just 8 minutes from downtown Boulder, and talk about unique...Bow Mountain is the only named peak in Boulder's iconic front range that can be privately owned! The property offers unmatched privacy, breathtaking views, and over 2.5 miles of your own private hiking trails overlooking Boulder and the Continental Divide. Buyers have the rare opportunity to work with a nationally published team that's been featured in LUXE Interiors + Design-to customize this modern residence tailored to their vision. The property is already permitted with construction underway, allowing buyers to bypass years of entitlement, design, and permitting while still maintaining the flexibility to personalize the home, materials, and finishes. The proposed net-zero contemporary estate blends elevated architecture with warm natural materials, expansive indoor-outdoor living, a dramatic resort-style pool, and wellness-focused spaces designed to connect seamlessly with the surrounding landscape. Sleek architectural lines, refined materials, and an intentional connection to nature combine to create a residence that simply could not exist anywhere else. Here, you experience the ultimate in quiet luxury and seclusion without sacrificing immediate access to Boulder's renowned dining, culture, outdoor recreation, and world-class amenities. Whether you continue building the current design or customize the residence into your own vision, The Summit at Bow Mountain offers a rare white-glove concierge building experience on Boulder's only privately owned mountaintop. Visit thesummitatbowmountain.com for more information. Please contact Listing Agent for details.

Single Family Active

Price

^$ 12,900,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 19,418

Style

Contemporary

Lot Size

17.77

Year Built

2027

Town/City

Boulder

County/Region

Boulder

MLS | Web ID

IR1059852

Features

Interior

Interior Amenities Eat-in Kitchen Kitchen Island Open Floorplan Pantry Vaulted Ceiling(s) Walk-In Closet(s) Wet Bar

Basement None

Basement (Y/N) N

Window Features Skylight(s) Triple Pane Windows

Above Grade Finished Area 5213

Half Baths 2

3/4 Baths 0

Laundry Features In Unit

Total Bedrooms 4

Below Grade Finished Area 0

Main Level Bedrooms 2

Main Level Bathrooms 3

Total Baths 6

General

Sewer Septic Tank

Heating Radiant

Cooling Central Air

Utilities Cable Available Electricity Available Internet Access (Wired) Natural Gas Available

Possession Closing/DOD

Roof Membrane

Appliances Bar Fridge Dishwasher Disposal Dryer Microwave Oven Refrigerator Washer

Zoning F

Garage Spaces 2

Patio/Porch Features Deck Patio

Architectural Style Contemporary

Pool Features Private

Security Features Smoke Detector(s)

Construction Materials Concrete Frame

Exclusions None

Year Built 2027

View Mountain(s)

Levels Three Or More

Property Subtype Single Family Residence

Tax Year 2025

Ownership Builder

County Boulder

Property Type Residential

HOA N

Attached Garage Y

Subdivision Name Pine Brook Hills

Facing Direction East

Possible Use Residential

Full Baths 4

Status Active

High School Boulder

City Boulder

High School District Boulder Valley RE 2

Lot Size Square Feet 774236

Listing Terms Cash Conventional

Elementary School Foothill

Tax Annual Amount 19418

Middle/Junior High School Centennial

Property Condition Under Construction

Concessions No

Virtual Tour https://vimeo.com/1194815745?fl=tl&fe=ec

Structure Type House

Standard Status Active

Elementary School District Boulder Valley RE 2

Exterior

Exterior Amenities Balcony Spa/Hot Tub

Vegetation Wooded

Parking Features Oversized

Lot Features Rolling Slope

Water Source Public

Total Parking 2

Building Area Total 5213

Lot Size Acres 17.77

Road Surface Type Paved

Road Frontage Type Private Road

Internal Only

Street Number 1 634

* Excluded Features

List By

The Agency - Boulder

Broker

(720) 394-1997

Phone

Affordability Calculator

$81,046

Per Month

Monthly Principal & Interest: $79,428
Monthly Property Taxes: $1,618
Monthly Home Insurance: --

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Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends
Schools

Single family listings in Boulder, CO

Average List Price ^$2,519,374

Percent of Sale Price 80%

About Boulder, CO

102,151 Population

6% Since 2002

^$65,436 Median Income

31.88 Median Age

18% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

1955676 Elementary School

1955871 Middle School

Boulder High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
5/22/2026	$12,900,000		Listed Price

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634 Fountaintree Lane, Boulder, CO, 80304 is a Single Family Home for sale at $12,900,000 with 5,213 sqft and a lot size of 17.77. 634 Fountaintree Lane has 4 bedrooms, 4.2 baths, and was built in 2027. The property's zip code is 80304 which is in Boulder, CO

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

The data relating to real estate on this web site comes in part from the Internet Data eXchange (IDX) Program of the REcolorado. Real estate listings held by firms other than Weichert Realtors are marked with the IDX logo and detailed information about them includes the Listing Broker’s Firm Name.

The information being provided is 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.

Data is updated as of 5/26/2026.

This publication is designed to provide information with regard to the subject matter covered. It is displayed with the understanding that the publisher and authors are not engaged in rendering real estate, legal, accounting, tax, or other professional services and that the publisher and authors are not offering such advice in this publication. If real estate, legal, or other expert assistance is required, the services of a competent, professional person should be sought.

The information contained in this publication is subject to change without notice. REcolorado. MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. REcolorado. SHALL NOT BE LIABLE FOR ERRORS CONTAINED HEREIN OR FOR ANY DAMAGES IN CONNECTION WITH THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL.

PUBLISHER’S NOTICE: All real estate advertised herein is subject to the Federal Fair Housing Act and the Colorado Fair Housing Act, which Acts make it illegal to make or publish any advertisement that indicates any preference, limitation, or discrimination based on race, color, religion, sex, handicap, familial status, or national origin.

REcolorado. will not knowingly accept any advertising for real estate that is in violation of the law. All persons are hereby informed that all dwellings advertised are available on an equal opportunity basis.

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634 Fountaintree Lane

Single Family Home for sale in Boulder, CO

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