3500 Bison Dr

Boulder, CO 80025

$2,800,000
Last Sold Price
3
Beds
2,705 Sq. Ft.
$1,035 / Sq. Ft.
2,705
Sq. Ft.
$1,035
per Sq. Ft.
Sold 9/8/25Virtual Tour
Sold 9/8/25Virtual Tour
a black and white photo of a city
a view of a house with a yard
a living room with furniture and large window with wooden floor
a dining room with furniture and a floor to ceiling window
a living room with furniture and a large window
a front view of a house
a kitchen with furniture and window
a kitchen with a sink and a refrigerator
a living room with a bed furniture and a large window
a kitchen with a window a sink and wooden floor
a dining room with furniture and a window
a living room with furniture and a flat screen tv
a living room with furniture and a fireplace
a view of a hallway and wooden floor with windows
a kitchen with a sink
a kitchen with stainless steel appliances a sink and cabinets
a view of living room
a bathroom with a sink and a mirror
a bathroom with a sink
a bedroom with a large bed tv and a desk
a living room with a couch and a window
a bedroom with a bed a couch and dresser
a living room with a large window
a bathroom with a sink and a mirror
a view of living room and window
a wooden floor with a book shelf
a bedroom with a bed and a large window
a view of an empty room with fire place and a fireplace
a view of an empty room with wooden floor and a window
a swimming pool with outdoor seating and outdoor shower
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Description

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...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.

Property Details for 3500 Bison Drive

Locale
Boulder
Description 1
House
LISTING UPDATED: 10/29/2025 05:44 PM

Property Details for 3500 Bison Drive

StatusSold
MLS #1024342
Days on Compass197
Taxes$8,711 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential / Single Family Residence
Year Built1988
Lot Size37.53 AC / 1,634,806 SF
CountyBoulder County

Location

Sold By Coldwell Banker Realty 02, Zach Zeldner

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Building Information for 3500 Bison Drive

Stories-Year Built1988Building Size-Lot Size37.53 AC / 1,634,806 SF

Payment Calculator

$14,373 per month

30 year fixed, 6.15% Interest

Principal and Interest

$13,647

Property Taxes

$726

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

Property Information for 3500 Bison Drive

Summary
Location and General Information
  • Latitude: 39.98
  • Longitude: -105.32
Parking
  • Garage SqFt: 584
  • Total Parking: 2.00
Taxes and HOA Information
  • Has HOA: No
  • HOA Fee: $.00
  • 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
  • Tax Information: No
  • HOA2 Fee Amount: $0
  • Tax Year: 2023
  • HOA Transfer Fee: No
  • HOA 2 Transfer Fee: No
  • Has Association Fee: No
  • Has Association 2 Fee: No
  • Has Association Reserve: No
  • Has Association 2 Reserve: No
  • Tax Annual Amount: $8,711
  • Parcel Number: R0080997
Virtual Tour
Property
Lot Information
  • Lot Improvements: Wooded, Evergreen Trees, Native Grass, Rock Outcropping, Abuts Private Open Space
  • Lot Size Area: 1,635,015.00
  • Has Irrigation Water Rights: No
  • Has Improvements: No
  • Vegetation: Grassed, Wooded
Property and Assessments
  • Total Finished Area Source: Other
  • Living SqFt: 2705
  • Above Grade Finished Area Source: 2705
  • Sq Ft Apx: 0
  • Total Finished Area: 2705
  • Pano Url Position: 1
  • Are Ditches Active: No
  • New Construction YN: No
  • Levels: Two
Utilities
  • Sewer: Septic Tank
  • Well Permit Number: 151786
  • Green Energy Efficient: Southern Exposure, Windows
Interior and Exterior Features
Exterior Features
  • Construction Materials: Metal Siding, Stucco
  • Exterior Features: Gas Grill
  • Flooring: Wood
Interior Features
  • Interior Features: Eat-in Kitchen, Separate Dining Room, Cathedral Ceiling(s), Open Floorplan, Pantry, Walk-In Closet(s), Jack & Jill Bathroom, Kitchen Island, Steam Shower, High Ceilings, Beamed Ceilings, Full Primary Bath, Luxury Features Primary Bath, Bidet
  • Laundry Features: Electric Range, Double Oven, Dishwasher, Refrigerator, Bar Fridge, Washer, Dryer, Microwave, Gas Bar-B-Q, Disposal
  • Window Features: Window Coverings
  • Fireplaces 1: Dining Room
  • All Bedrooms Conform: Yes
  • Full Bathrooms: 1
  • Half Bathrooms: 1
  • Rough-in Bathrooms: 0
  • Three Quarters Bathrooms: 1
  • Baths Full Additional: 0
  • Baths Full Basement: 0
  • Baths Full Upper: 0
  • Baths Full Main: 1
  • Baths Full Lower: 0
  • Baths Half Additional: 0
  • Baths Half Basement: 0
  • Baths Half Upper: 0
  • Baths Half Main: 1
  • Baths Half Lower: 0
  • Baths Three Quarters Additional: 0
  • Baths Three Quarters Basement: 0
  • Baths Three Quarters Lower: 1
  • Baths Three Quarters Upper: 0
  • Baths Three Quarters Main: 0
Room Information
Room 1
  • RoomDescription: Concrete
  • RoomLength: 19.0
  • RoomLevel: Lower
  • RoomType: Bedroom 2
  • RoomWidth: 17.0
Room 2
  • RoomDescription: Concrete
  • RoomLength: 14.0
  • RoomLevel: Lower
  • RoomType: Bedroom 3
  • RoomWidth: 9.0
Room 3
  • RoomDescription: Wood
  • RoomLength: 13.0
  • RoomLevel: Main
  • RoomType: Dining Room
  • RoomWidth: 21.0
Room 4
  • RoomDescription: Wood
  • RoomLength: 10.0
  • RoomLevel: Main
  • RoomType: Kitchen
  • RoomWidth: 19.0
Room 5
  • RoomDescription: Concrete
  • RoomLength: 8.0
  • RoomLevel: Lower
  • RoomType: Laundry
  • RoomWidth: 11.0
Room 6
  • RoomDescription: Wood
  • RoomLength: 19.0
  • RoomLevel: Main
  • RoomType: Living Room
  • RoomWidth: 18.0
Room 7
  • RoomDescription: Wood
  • RoomLength: 14.0
  • RoomLevel: Main
  • RoomType: Primary Bedroom
  • RoomWidth: 18.0
  • Room Features: Full Primary Bath, Luxury Features Primary Bath, Bidet
Room 8
  • RoomDescription: Wood
  • RoomLength: 9.0
  • RoomLevel: Main
  • RoomType: Study
  • RoomWidth: 7.0
Rental
Rental Information
  • Horse YN: No
  • Occupant Type: Owner

Property History for 3500 Bison Drive

DateEvent & SourcePriceAppreciation
Aug 26, 2025

Sold (Public Record)

Public Record #1911947404

$2,800,000

+145.5% / yr

Mar 23, 2021

Sold (Public Record)

Public Record #693672910

$52,500

-37.4% / yr

Jul 31, 2015

Sold (Public Record)

Public Record #553547651

$740,000—
DateEvent & SourcePrice
08/26/2025

Sold (Public Record)

Public Record #1911947404

$2,800,000

+145.5% / yr

03/23/2021

Sold (Public Record)

Public Record #693672910

$52,500

-37.4% / yr

07/31/2015

Sold (Public Record)

Public Record #553547651

$740,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 3500 Bison Drive

Taxable ValueLand$23,444Additions$67,025Total$90,469
Tax Record2025$9,052 ($754 / month)
Home Facts
Beds3Baths2.2Total Finished SqFt2,644 SqFtAbove Grade Finished SqFt1,663 SqFtFinished Basement SqFt981 SqFtUnfinished Basement SqFt76 SqFtStories1Lot Size1,635,025 SqFtStyleSingle Family ResidenceYear Built1988Year Renovated2010Zoning1112CountyBOULDERAPN1579-00-1-00-013

Schools near 3500 Bison Drive

This home is within Boulder Valley Re 2 School District.
Rating
School
Type
Grades
Distance
Flatirons Elementary School
Public - K to 5
Manhattan Middle School Of The Arts And Academics
Public - 6 to 8
Boulder High School
Public - 9 to 12
University Hill Elementary School
Public - PK to 5
Rating
School
Distance
Flatirons Elementary School
PublicK to 5

Manhattan Middle School Of The Arts And Academics
Public6 to 8

Boulder High School
Public9 to 12

University Hill Elementary School
PublicPK to 5

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass makes no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Based on information submitted to the MLS GRID as of 10/29/2025 05:44 PM. 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. IDX information is provided exclusively 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. The data is deemed reliable but is not guaranteed by MLS GRID. Use of the MLS GRID data may be subject to an end user license agreement prescribed by the applicable MLS of the Member Participant, if any, and as amended from time to time.