Boulder County property record for 3900 Walnut St, Boulder, CO 80301 · Last verified June 2026
| Property Type | Industrial > Warehouse, Storage |
|---|---|
| Year Built | Built 1973 |
| Square Footage | 11,680 sqft Gross Area |
| Lot Size | 32,869 sqft (0.755 acres) |
| Last Sale | $122,500 (1991) |
| Tax Bill | $55,393.00 (2025) |
| Primary APN | 1463-29-4-00-040 |
|---|---|
| Alternative APNs |
|
| Units | 6 Units |
|---|---|
| Building Area | 11,680 sqft Gross Area |
| 1st Floor | 11,680 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1973 |
| Construction Type | Steel Frame Construction |
| Lot Area | 32,869 sqft (0.755 acres) |
| Heating Fuel | Electric Heating Fuel |
|---|
| Account Number | R0032999 |
|---|---|
| Street Address | 3900 WALNUT ST |
| City | BOULDER |
| State | CO |
| Zip | 80301-2513 |
| Property Usage | Industrial Property Usage |
| Type | Industrial > Warehouse, Storage |
| Legal Description | TRACT 4718 29-1N-70 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 29 |
| Legal Subdivision | TR, 194-198 - COMMERCIAL |
| Legal Tract | 4718 |
| Legal Block | 2 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 2 |
| Census Block | 2023 |
| Census Tract | 12208 |
Source: Boulder County records · APN 1463-29-4-00-040
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 | Company Name on File |
|---|---|
| Mailing Address | 2775 IRIS AVE, BOULDER, CO 80304-2433 |
| Owner Type | Owner is a Company |
| Date | Document |
|---|---|
| Oct 09, 2020 | Deed of Trust, Mortgage · Commercial Mortgage ELEVATIONS CU |
| Oct 12, 2020 | Deed of Trust, Mortgage · Line of Credit ELEVATIONS CU |
| Apr 26, 2018 | Deed of Trust, Mortgage · Line of Credit ELEVATIONS CU |
| Apr 26, 2018 | Deed of Trust, Mortgage · Line of Credit ELEVATIONS CU |
| Apr 26, 2018 | Deed of Trust, Mortgage · Line of Credit ELEVATIONS CU |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 15, 1991 · Amount on Record |
| Deed Sale | Oct 15, 1991 · Amount on Record |
| Deed Doc Number | 19911136420 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3900 WALNUT ST, BOULDER, CO 80301-2513 |
| Transaction Type | Mortgage |
| Record Updated | Apr 15, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0003822999 |
|---|---|
| Date | Oct 09, 2020 |
| Instrument | 3822999 |
| Name | ELEVATIONS CU |
|---|---|
| Type | Credit Union |
| Address | BOULDER, CO 80304 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 120 Months |
| Due | Oct 10, 2030 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3900 WALNUT ST, BOULDER, CO 80301-2513 |
| Transaction Type | Mortgage |
| Record Updated | Apr 15, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0003823068 |
|---|---|
| Date | Oct 12, 2020 |
| Instrument | 3823068 |
| Name | ELEVATIONS CU |
|---|---|
| Type | Credit Union |
| Address | BOULDER, CO 80301 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3900 WALNUT ST, BOULDER, CO 80301-2513 |
| Document Number | 0003656361 |
| Instrument Date | Apr 26, 2018 |
| Transaction Type | Mortgage |
| Record Updated | May 31, 2018 |
| Title Company | NOT AVAILABLE |
| Additional |
|
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 2050 GRAPE AVE BOULDER CO 803042338, BOULDER, CO 80304-2338 |
| Document Number | 0003656361 |
|---|---|
| Date | May 21, 2018 |
| Instrument | 3656361 |
| Name | ELEVATIONS CU |
|---|---|
| Address | BOULDER, CO 80301-9004 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3900 WALNUT ST, BOULDER, CO 80301-2513 |
| Document Number | 0003652560 |
| Instrument Date | Apr 26, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jan 12, 2019 |
| Title Company | NOT AVAILABLE |
| Additional |
|
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 2050 GRAPE AVE BOULDER CO 803042338, BOULDER, CO 80304-2338 |
| Document Number | 0003652560 |
|---|---|
| Date | Apr 27, 2018 |
| Instrument | 3652560 |
| Name | ELEVATIONS CU |
|---|---|
| Address | BOULDER, CO 80301-9004 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 3900 WALNUT ST, BOULDER, CO 80301-2513 |
| Document Number | 0003656359 |
| Instrument Date | Apr 26, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Jan 12, 2019 |
| Title Company | NOT AVAILABLE |
| Additional |
|
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 2050 GRAPE AVE BOULDER CO 803042338, BOULDER, CO 80304-2338 |
| Document Number | 0003656359 |
|---|---|
| Date | May 21, 2018 |
| Instrument | 3656359 |
| Name | ELEVATIONS CU |
|---|---|
| Address | BOULDER, CO 80301-9004 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
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 | $575,000 (-40.44%) Land $500,000 Building $75,000 | $2,300,000 (-35.68%) Land $2,000,000 Building $300,000 | |
| 2025 | $55,393.00 (+8.09%) | $965,412 (+63.22%) Land $625,374 Building $340,038 | $3,575,600 (+68.66%) Land $2,316,200 Building $1,259,400 |
| 2024 | $51,246.00 (+1.77%) | ||
| 2023 | $50,356.00 (+14.74%) | $591,480 (+25.15%) Land $354,330 Building $237,150 | $2,120,000 (+30.09%) Land $1,270,000 Building $850,000 |
| 2022 | $43,888.00 | $472,613 Land $272,600 Building $200,013 | $1,629,700 Land $940,000 Building $689,700 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Moderate |
| 500-Year Floodplain | Yes |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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