Boulder County property record for 3620 Walnut St, Boulder, CO 80301 · Last verified June 2026
| Property Type | Industrial > Warehouse, Storage |
|---|---|
| Year Built | Built 1963 |
| Square Footage | 7,800 sqft Gross Area |
| Lot Size | 23,891 sqft (0.549 acres) |
| Tax Bill | $54,714.00 (2025) |
| Primary APN | 1463-29-4-16-001 |
|---|---|
| Alternative APNs |
|
| Building Area | 7,800 sqft Gross Area |
|---|---|
| 1st Floor | 7,800 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Construction Type | Steel Frame Construction |
| Lot Area | 23,891 sqft (0.549 acres) |
| Heating Fuel | Electric Heating Fuel |
|---|
| Account Number | R0511529 |
|---|---|
| Street Address | 3620 WALNUT ST |
| City | BOULDER |
| State | CO |
| Zip | 80301-2522 |
| Property Usage | Industrial Property Usage |
| Type | Industrial > Warehouse, Storage |
| Legal Description | LOT 1 FREMONT |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 29 |
| Legal Subdivision | FREMONT |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 2 |
| Census Block | 2024 |
| Census Tract | 12208 |
Source: Boulder County records · APN 1463-29-4-16-001
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 | 3535 4TH ST, BOULDER, CO 80304-1703 |
| Owner Type | Owner is a Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Refreshed | Sep 20, 2026 |
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 | $567,950 (-7.41%) Land $426,725 Building $141,225 | $2,271,800 (-) Land $1,706,900 Building $564,900 | |
| 2025 | $54,714.00 (+6.78%) | $613,386 (+3.72%) Land $460,863 Building $152,523 | $2,271,800 (+7.18%) Land $1,706,900 Building $564,900 |
| 2024 | $51,238.00 (+1.77%) | ||
| 2023 | $50,349.00 (+41.31%) | $591,397 (+54.14%) Land $532,257 Building $59,140 | $2,119,700 (+60.22%) Land $1,907,730 Building $211,970 |
| 2022 | $35,629.00 | $383,670 Land $211,700 Building $171,970 | $1,323,000 Land $730,000 Building $593,000 |
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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