3500 Bison Dr
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.
Last checked:
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Last updated Jan 27, 2025
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MLS# 1024342 —
This home is listed in more than one place. See it here.
The Building
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Year Built:1988
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New Construction:false
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Construction Materials:Metal Siding
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Architectural Style:Contemporary/Modern
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Total SqFt:2,705 Sqft
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Building Area Total:2705
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Roof:Metal
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Levels:Two
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Basement:None
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Stories:2
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Window Features:Window Coverings
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Patio And Porch Features:Patio
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Green Energy Efficient:Southern Exposure
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Above Grade Finished Area:2705
Interior
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Interior Features:Study Area
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Flooring:Wood Floors
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Fireplace:true
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Fireplace Features:Dining Room
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Living Room Level:Main
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Living Room Features:Wood Floor
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Kitchen Level:Main
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Kitchen Features:Wood Floor
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Dining Room Level:Main
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Dining Room Features:Wood Floor
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Laundry Features:Lower Level
Room Dimensions
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Living Area:2705
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Study Length:9
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Living Area Units:Square Feet
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Living Area Source:Other
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Main Floor SqFt:1701
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Living Room Area:342
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Living Room Length:19
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Living Room Width:18
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Kitchen Length:10
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Kitchen Area:190
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Kitchen Width:19
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Dining Room Area:273
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Dining Room Length:13
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Dining Room Width:21
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Master Bedroom Area:252
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Master Bedroom Width:18
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Master Bedroom Length:14
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Bedroom 2 Area:323
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Bedroom 2 Length:19
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Bedroom 3 Length:14
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Bedroom 2 Width:17
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Bedroom 3 Area:126
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Bedroom 3 Width:9
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Laundry Room Length:8
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Laundry Room Width:11
Financial & Terms
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Listing Terms:Cash
Location
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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."
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Coordinates:-105.317949, 39.977226
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Latitude:39.977226
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Longitude:-105.317949
The Property
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Property Type:Residential
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Property Subtype:Residential-Detached
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Parcel Number:R0080997
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Lot Features:Wooded
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Lot Size Acres:37.53
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Lot Size SqFt:1,635,015 Sqft
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Lot Size Area:1635015
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Lot Size Units:Square Feet
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Zoning:F
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View:Foothills View
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Possible Use:Single Family
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Exclusions:Seller's Personal Property.
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Horse:false
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Other Structures:Storage
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Exterior Features:Gas Grill
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Waterfront:false
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Has Water Rights:No
Listing Agent
- Contact info:
- No listing contact info available
Taxes
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Tax Year:2023
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Tax Annual Amount:$8,711
Beds
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Bedrooms Total:3
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Bedroom 2 Level:Lower
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Bedroom 2 Features:Concrete Floor
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Bedroom 3 Level:Lower
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Bedroom 3 Features:Concrete Floor
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Master Bedroom Level:Main
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Master Bedroom Features:Wood Floor
Baths
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Total Baths:3
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Three Quarter Baths:1
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Full Baths:1
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Half Baths:1
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Master Bath Features:Full Primary Bath, Luxury Features Primary Bath, Bidet
The Listing
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Virtual Tour URL Unbranded:https://youtu.be/AwdLzrxAobs
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Special Listing Conditions:Private Owner
Heating & Cooling
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Heating:Radiant
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Heating:true
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Cooling:Central Air
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Cooling:true
Utilities
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Utilities:Electricity Available
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Electric:Electric
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Sewer:Septic
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Water Source:Well, Well
Appliances
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Appliances:Electric Range/Oven
Schools
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Elementary School:Flatirons
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Middle School:Manhattan
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High School:Boulder
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High School District:Boulder Valley Dist RE2
The Community
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Association:false
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Subdivision Name:Walker Ranch
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Spa:false
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Senior Community:false
Parking
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Garage Spaces:2
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Garage:true
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Garage SqFt:584 Sqft
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Garage Type:Attached
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Attached Garage:true
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Covered Spaces:2
Monthly cost estimate

Asking price
$3,400,000
Expense | Monthly cost |
---|---|
Mortgage
This calculator is intended for planning and education purposes only. It relies on assumptions and information provided by you regarding your goals, expectations and financial situation, and should not be used as your sole source of information. The output of the tool is not a loan offer or solicitation, nor is it financial or legal advice. |
$18,205
|
Taxes | $725 |
Insurance | $935 |
Utilities | $149 See report |
Total | $20,014/mo.* |
*This is an estimate |
Walk Score®
Provided by WalkScore® Inc.
Walk Score is the most well-known measure of walkability for any address. It is based on the distance to a variety of nearby services and pedestrian friendliness. Walk Scores range from 0 (Car-Dependent) to 100 (Walker’s Paradise).
Bike Score®
Provided by WalkScore® Inc.
Bike Score evaluates a location's bikeability. It is calculated by measuring bike infrastructure, hills, destinations and road connectivity, and the number of bike commuters. Bike Scores range from 0 (Somewhat Bikeable) to 100 (Biker’s Paradise).
Soundscore™
Provided by HowLoud
Soundscore is an overall score that accounts for traffic, airport activity, and local sources. A Soundscore rating is a number between 50 (very loud) and 100 (very quiet).
Air Pollution Index
Provided by ClearlyEnergy
The air pollution index is calculated by county or urban area using the past three years data. The index ranks the county or urban area on a scale of 0 (best) - 100 (worst) across the United Sates.
Sale history
Date | Event | Source | Price | % Change |
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1/10/25
Jan 10, 2025
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Listed / Active | IRES | $3,400,000 |