491 Bison Dr, Boulder, CO 80302 Property Records

Boulder County property record for 491 Bison Dr, Boulder, CO 80302 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	2 Baths
Year Built	Built 1989
Square Footage	2,103 sqft Living Area
Lot Size	15 acres
Garage	Attached, 528 sqft
Occupancy	Owner Occupied
Tax Bill	$5,871.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1579-00-0-00-025`
Alternative APNs	`R0081012` `0081012`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Building Area	2,103 sqft Living Area
Gross Area	2,631 sqft Gross Area
1st Floor	1,782 sqft 1st Floor
Upper Floors	321 sqft Upper Floors
Stories	2 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1989
Architectural Style	A-Frame Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Roof Material	Asphalt Roof
Lot Area	657,261 sqft
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	528 sqft Garage

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0081012
Street Address	491 BISON DR
City	BOULDER
State	CO
Zip	80302-9525
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	PT NW 1/4 NW 1/4 23-1S-71 & PT S 1/2 S 1/2 14-1S-71 AKA PARCEL 14 PINE NEEDLE NOTCH EAST TOTAL 14.93 ACS M/L DOCKET SE-86-30 10/27/86 PER BOUNDARY LINE ADJMT SEE ID 69307 & ID 69308
Legal Range	71
Legal Township	1S
Legal Section	23
Legal Subdivision	TR, NBR 910 WALKER RANCH AREA
Legal Block	4
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	4
Census Block	4008
Census Tract	12510

Owner

Source: Boulder County records · APN 1579-00-0-00-025

Assessment roll updated June 15, 2026 · Last verified June 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	491 BISON DR, BOULDER, CO 80302-9525
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	May 03, 1989 Prior Sale Amount on Sep 21, 1987
Deed Doc Number	1989980823
Record Refreshed	Sep 20, 2026

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	491 BISON DR, BOULDER, CO 80302-9525
Transaction Type	Mortgage
Record Updated	Feb 05, 2021
Title Company	HERITAGE TITLE COMPANTY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003569133
Date	Jan 17, 2017
Instrument	3569133

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 01, 2047

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$70,646 (+8.8%) Land $15,960 Building $54,686	$1,038,900 (-) Land $234,700 Building $804,200
2025	$5,871.00 (+0.65%)	$64,932 (-12.77%) Land $14,669 Building $50,263	$1,038,900 (-6.49%) Land $234,700 Building $804,200
2023	$5,833.00 (+28.06%)	$74,437 (+38.9%) Land $20,422 Building $54,015	$1,111,000 (+44.08%) Land $304,800 Building $806,200
2022	$4,555.00	$53,592 Land $12,517 Building $41,075	$771,100 Land $180,100 Building $591,000