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3500 Bison Drive

Boulder, CO 80302

3 beds
3 baths
2,705 sqft
~38 acre lot
$1,256 per sqft
1988 build
– on site

Nestled on 37.5 acres just 20 mins from downtown Boulder, this stunning sanctuary with incredible views is an award-winning custom completion by HMH Architecture. Originally a 1980s mountain cabin, the property has been meticulously transformed into a foothills oasis that seamlessly blends industrial materials with natural textures & peaceful solitude. The home's entry is a masterpiece of design, featuring a sculptural staircase that combines black concrete lower steps with LED lighting and an upper flight of glass and steel. Above, you're welcomed into an expansive open-concept living space where the kitchen takes center stage & is a testament to intentional design, with custom blackened-steel cabinetry, while paneled appliances maintain a clean aesthetic, ensuring the kitchen remains an integrated part of the living space. Overhead, white-oak planks and a cold-rolled steel beam pay homage to the home's original timber rafters. Expansive floor-to-ceiling windows offer breathtaking views of the surrounding peaks wilderness to the south. An exterior custom steel bridge leads from the kitchen to an outdoor patio. For chefs, the outdoor pizza oven and hidden custom wok burner inspire al fresco cooking. The primary bedroom features a white oak ceiling and handmade blown-glass pendant lights. The adjoining bathroom is a design marvel featuring a soaking tub and glass-paneled shower resting on ash floors. The lower level features two guest bedrooms, laundry room and mudroom. The exterior of the home is equally impressive, featuring a mix of neutral stucco and weathering steel. Three miles of private trails meander throughout the property, which sits on the western border of the 9,000-acre Boulder Mountain Park, offering back-door access to open space and nearby trails. This home offers a peaceful retreat amidst Colorado's untouched wilderness. With expansive views and abundant wildlife, it's a sanctuary that feels connected to nature, while still being close to the city.

Listing courtesy of Compass - Boulder

Last checked: Checking… • Last updated Jan 27, 2025 •

MLS# IR1024342 —

This home is listed in more than one place. See it here.

The Building

Year Built:

1988
Architectural Style:

Contemporary
Construction Materials:

Metal Siding, Stucco
Structure Type:

House
Exterior Features:

Gas Grill
Patio And Porch Features:

Deck, Patio
Window Features:

Triple Pane Windows, Window Coverings
Roof:

Metal
Basement:

false
Levels:

Two
Building Area Total:

2705
Building Area Source:

Other
Above Grade Finished Area:

2705
Property Attached:

false

Interior

Interior Features:

Eat-in Kitchen, Jack & Jill Bathroom, Kitchen Island, Open Floorplan, Pantry, Vaulted Ceiling(s), Walk-In Closet(s)
Flooring:

Wood
Fireplace Features:

Dining Room

Room Dimensions

Living Area:

2705

Location

Directions:

Drive 5 miles up Flagstaff Road to the top of the hill, just after mile marker 5, take the second dirt road on the left, just past the mailboxes, this is Bison Dr. It has a green gate that is usually open (if it is closed, it is not locked and you can just open it). There is no sign that says "Bison" or identifies the road. There are signs that say "private road" "no trespassing" "video monitoring" etc. Go down this road 0.9 miles to the first driveway on the left. That is 3500 Bison Dr. Drive down and park at the house. There is also a sign at the top of the driveway that indicates "3500."
Latitude:

39.977226
Longitude:

-105.317949

The Property

Property Type:

Residential
Property Subtype:

Single Family Residence
Parcel Number:

R0080997
Possible Use:

Residential
Zoning:

F
Lot Features:

Open Space, Rock Outcropping
Lot Size Acres:

37.53
Lot Size SqFt:

1635015
Exclusions:

Seller's Personal Property.
View:

Mountain(s)
Vegetation:

Grassed, Wooded

Listing Agent

Contact info:

Taxes

Tax Year:

2023
Tax Annual Amount:

8711
Tax Legal Description:

NE 1/4 SW 1/4 11-1S-71 40 AC M/L PER DEED 909791 03/28/88 BCR CONSERVATION ESMT ON 2.13 ACS PER REC # 1763320 BCR

Beds

Bedrooms Total:

3
Main Level Bedrooms:

1
Lower Level Bedrooms:

2

Baths

Total Baths:

3
Full Baths:

1
Three Quarter Baths:

1
Half Baths:

1
Main Level Baths:

2
Lower Level Baths:

1

The Listing

Virtual Tour URL Unbranded:

https://youtu.be/AwdLzrxAobs

Heating & Cooling

Heating:

Propane, Radiant
Cooling:

Central Air

Utilities

Utilities:

Electricity Available
Sewer:

Septic Tank
Water Source:

Well

Appliances

Appliances:

Bar Fridge, Dishwasher, Disposal, Double Oven, Dryer, Microwave, Oven, Refrigerator, Washer

Schools

Elementary School:

Flatirons
Elementary School District:

Boulder Valley RE 2
Middle Or Junior School:

Manhattan
High School:

Boulder
High School District:

Boulder Valley RE 2

The Community

Subdivision Name:

Walker Ranch
Association:

false

Parking

Parking Total:

2
Attached Garage:

true
Garage Spaces:

2

Monthly cost estimate

Asking price

$3,400,000

Expense	Monthly cost
Mortgage	$18,205
Taxes	$725
Insurance	$935
Utilities	$149 See report
Total	$20,014/mo.^*
	^*This is an estimate

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This house located in CO 80302 is currently for sale for $3,400,000. 3500 Bison Drive is a 2,705 square foot house with 3 beds and 3 baths that has been on Estately for 98 days. This house is in the attendance area of Manhattan Middle School Of The Arts And Academics, Boulder High School, and Flatirons Elementary School.

Listing Courtesy of: RECOLORADO and Compass - Boulder. Data displayed here has not been verified by Estately. Disclaimers