Boulder County property record for 2101 Bison Dr, Boulder, CO 80302 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.75 ba · 4,414 sqft · built 1995 |
| Lot Size | 35.4 acres (1,543,400 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,870,000 (Apr 2026) |
| Tax Bill | $11,087 (2025) |
| Deeds & Mortgages | Sep 2023 Line of Credit Nov 2022 Line of Credit + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 1579-00-1-00-020 |
| Primary APN | 1579-00-1-00-020 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 4,414 sqft Living Area |
| Gross Area | 5,330 sqft |
| 1st Floor Area | 1,518 sqft |
| Upper Floors Area | 1,725 sqft |
| Basement Area | 1,512 sqft |
| Finished Basement | 1,330 sqft |
| Unfinished Basement | 182 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1995 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 1,543,400 sqft |
| Garage Type | Attached |
| Garage Area | 734 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Porch |
| Porch Area | 96 sqft |
| Deck Area | 533 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0080988 |
|---|---|
| Street Address | 2101 BISON DR |
| City | BOULDER |
| State | CO |
| Zip | 80302-9527 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | PT N 1/2 14-1S-71 35.224 AC M/L AKA PARCEL 8 PINE NEEDLE NOTCH EAST |
| Legal Range | 71 |
| Legal Township | 1S |
| Legal Section | 14 |
| Legal Subdivision | TR, NBR 910 WALKER RANCH AREA |
| Legal Block | 4 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 4 |
| Census Block | 4008 |
| Census Tract | 12510 |
Source: Boulder County records · APN 1579-00-1-00-020
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 | 2101 BISON DR, BOULDER, CO 80302-9527 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Sep 21, 2023 | Deed of Trust, Mortgage · Line of Credit FIRST WESTERN TRUST BANK |
| Nov 30, 2022 | Deed of Trust, Mortgage · Line of Credit FIRST WESTERN TRUST BANK |
| Apr 30, 2026 | Warranty Deed, Transfer · Conventional Mortgage AMERICAN PORTFOLIO MORTGAGE CORPORATION |
| Jun 13, 2017 | Warranty Deed, Transfer · Stand-Alone Second Mortgage WELLS FARGO BANK NA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 30, 2026 · Amount on Record |
| Deed Sale | Apr 30, 2026 · Amount on Record |
| Prior Sale | Jun 13, 2017 · Amount on Record |
| Deed Document Number | 20264130153 |
| Prior Transfer Date | Nov 11, 1998 |
| Prior Transfer Doc | 0001880960 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 2101 BISON DR, BOULDER, CO 80302-9527 |
| Transaction Type | Mortgage |
| Record Updated | Jun 02, 2026 |
| Name | Verified Name |
|---|---|
| Address | 2000 LITTLE RAVEN ST 1001, 1001, DENVER, CO 80202-6120 |
| Document Number | 0004022361 |
|---|---|
| Date | Sep 21, 2023 |
| Instrument | 4022361 |
| Name | FIRST WESTERN TRUST BANK |
|---|---|
| Type | Bank |
| Address | ENGLEWOOD, CO 80111 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 2101 BISON DR, BOULDER, CO 80302-9527 |
| Transaction Type | Mortgage |
| Record Updated | Jun 02, 2026 |
| Name | Verified Name |
|---|---|
| Address | 2000 LITTLE RAVEN ST 1001, 1001, DENVER, CO 80202-6120 |
| Document Number | 0003990603 |
|---|---|
| Date | Nov 30, 2022 |
| Instrument | 3990603 |
| Name | FIRST WESTERN TRUST BANK |
|---|---|
| Type | Bank |
| Address | ENGLEWOOD, CO 80111 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Apr 30, 2026 |
| Property Address | 2101 BISON DR, BOULDER, CO 80302-9527 |
| Document Number | 0004130153 |
| Instrument Date | Apr 30, 2026 |
| Instrument | 2026.4130153 |
| Transaction Type | Transfer |
| Record Updated | May 13, 2026 |
| Title Company | LAND TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $18,887.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 2101 BISON DR, BOULDER, CO 80302-9527 |
| Document Number | 0004130154, |
|---|---|
| Date | Apr 30, 2026 |
| Instrument | 2026..4130154 |
| Name | AMERICAN PORTFOLIO MORTGAGE CORPORATION |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 01, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.22% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 13, 2017 |
| Property Address | 2101 BISON DR, BOULDER, CO 80302-9527 |
| Document Number | 0003597445 |
| Instrument Date | Jun 09, 2017 |
| Instrument | 3597445 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2022 |
| Title Company | LAND TITLE GUARANTEE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $112.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Relationship | Right of Survivorship |
| Address | 2101 BISON DR, BOULDER, CO 80302-9527 |
| Document Number | 0003597446 |
|---|---|
| Date | Jun 13, 2017 |
| Instrument | 3597446 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2047 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $120,570 (+8.8%) Land $24,976 Building $95,594 | $1,773,100 (-) Land $367,300 Building $1,405,800 | |
| 2025 | $11,087.00 (-1.88%) | $110,819 (-11.94%) Land $22,956 Building $87,863 | $1,773,100 (-5.6%) Land $367,300 Building $1,405,800 |
| 2024 | $11,299.00 (+1.57%) | ||
| 2023 | $11,124.00 (+20.47%) | $125,847 (+33.11%) Land $32,127 Building $93,720 | $1,878,300 (+38.08%) Land $479,500 Building $1,398,800 |
| 2022 | $9,234.00 | $94,541 Land $19,613 Building $74,928 | $1,360,300 Land $282,200 Building $1,078,100 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130125104, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Flood Insurance Cost | Premium on Record median of 33 individual NFIP policies nearby |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 33 in force 28 of 33 on primary residences |
| Nearby Flood Claims | 14 (1995–2013) |
| Claims Outside the SFHA | 8 of 14 |
| Most Recent Claim | Sep 2013, river or lake flooding, Severe Storms, Flooding, Landslides, And Mudslides |
| Flood Events |
|
| Wildfire Risk | Extreme above 98% of the US · above 100% of Colorado |
|---|---|
| Wildfire Likelihood | About 1 in 62 per year |
| Exposure | Direct burnable vegetation at the parcel |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
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