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640 S 68th St, Boulder, CO 80303
640 S 68th St, Boulder, CO 80303
Sold for $9,500,000
640 S 68th St, Boulder, CO 80303
Sold for $9,500,000
640 S 68th St, Boulder, CO 80303
640 S 68th St, Boulder, CO 80303
640 S 68th St, Boulder, CO 80303
640 S 68th St, Boulder, CO 80303

640 S 68th St Boulder, CO 80303

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$9,500,000

CLOSED
Beds
5
Baths
7
Sqft
11,791
Acres
54.84
Year
1997
Close Date
Aug 6, 2026
Property Type
Residential
Sub Type
Single Family Residence
Per Square Foot
$806
Date Listed
May 22, 2026

Description of 640 S 68th St, Boulder, CO 80303

Listing details for 640 S 68th St, Boulder, CO 80303 : 55 acres in the heart of Boulder County - conservation protected, never to be subdivided, never to be replicated. 11,791 finished square feet of award-winning architecture inspired by I.M. Pei and Frank Lloyd Wright, sitting on a landscape so vast and so private that the rest of Boulder County feels like a rumor. Inside, soaring cathedral ceilings with dramatic exposed beams and a wall of windows pull panoramic views right into your living room. A striking 360-degree glass fireplace anchors the living space, while custom cherry, walnut, and maple millwork from Kamtz Custom Cabinetry adds warmth and craftsmanship throughout. The primary suite is a private retreat with a spa bath, soaking tub, and dedicated spa room opening to a secluded courtyard. The garden level includes a spacious family room with fireplace and wet bar, a 144-bottle wine cellar, dedicated home theater with retractable screen and sound-dampened walls, four additional bedrooms - three en suite - and a 1,000-square-foot climate-controlled flex space ideal for a workshop, studio, or collector's garage. Radiant in-floor heat, four AC zones, a whole-home Generac generator, heated three-car garage, and additional two-car garage round out a home that thinks of everything. Outside, a year-round pond, extensive limestone hardscaping, protected courtyard, and unobstructed mountain views define this estate. Featured in 5280, Luxe Magazine, and multiple design books, the home has earned Colorado Homes & Lifestyles Home of the Year along with multiple CARE and BAR awards. Located just 15 minutes from Rocky Mountain Metro's private jet centers and minutes from Boulder's biotech corridor, downtown, and CU. An optional adjoining 156-acre irrigated parcel with senior water rights is also available, bringing the total footprint to nearly 240 acres. This is not a house. This is a holding. The biggest, most private, most unrepeatable estate in Boulder County. And it's available right now.
Listing Updated : 08-07-2026 at 9:47 AM MDT
The content relating to real estate for sale in this website comes in part from the Internet Data Exchange (IDX) program of METROLIST, INC., DBA RECOLORADO®. Real estate listings held by brokers other than this website are marked with the IDX Logo. This information is being provided for the consumers' personal, non-commercial use and may not be used for any other purpose. All information subject to change and should be independently verified. Some IDX listings have been excluded from this website.
Listing Provided By

Marybeth Emerson, 7205775503, The Agency - Boulder

Properties displayed may be listed or sold by various participants in the MLS

Source

recolorado as distributed by MLS GRID, MLS#: RECIR1065942

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Property History

DateEventPrice
8/6/2026
Sold
$9,500,000 0%
$806/sqft
Source:recolorado #RECIR1065942
5/22/2026
Listed for sale
$9,500,000
$806/sqft
Source:recolorado #RECIR1065942

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Contact

Kyle Gephart
Accession Real Estate
1500 N Grant St #11984
Denver, CO 80203
O: (303) 952-6168
M: (720) 520-4448
E: Email Us
ER.100088385

Listings courtesy of REColorado as distributed by MLS GRID.
Based on information submitted to the MLS GRID.
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, as established by the applicable MLS Governing Documents.


The content relating to real estate for sale in this web site comes in part from the Internet Data eXchange ("IDX") program of METROLIST INC® Real estate listings held by brokers other than Accession Real Estate are marked with the IDX Logo. This information is being provided for the consumers' personal, non-commercial use and may not be used for any other purpose. All information subject to change and should be independently verified. Click here for the full  Terms of Use

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