Boulder County property record for 3401 Walnut St, Boulder, CO 80301 · Last verified June 2026
| Property Type | General Industrial |
|---|---|
| Details | 161,616 sqft · built 1997 |
| Lot Size | 7.99 acres (348,478 sqft) |
| Owner | Company Name on File |
| Last Sale | $53,200,000 (Jun 2015) |
| Tax Bill | $1,372,788 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1463-29-4-23-001 |
| Primary APN | 1463-29-4-23-001 |
|---|---|
| Alternative APN |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 161,616 sqft Gross Area |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 2010 |
| Construction Type | Manufactured |
| Lot Area | 348,478 sqft |
| Cooling System | Package A/C |
|---|---|
| Heating System | HVAC |
| Account Number | R0603175 |
|---|---|
| Street Address | 3333 WALNUT ST |
| City | BOULDER |
| State | CO |
| Zip | 80301-2515 |
| Property Category | Industrial |
| Property Type | Industrial > General Industrial |
| Legal Description | LOT 1 3333 WALNUT FINAL 29-1N-70 TOTAL 8.00 ACS |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 29 |
| Legal Subdivision | 3333 WALNUT FINAL |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1036 |
| Census Tract | 12208 |
Source: Boulder County records · APN 1463-29-4-23-001
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 | 712 MAIN ST, 2500, HOUSTON, TX 77002-3243 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 17, 2015 · Amount on Record |
| Deed Sale | Jun 17, 2015 · Amount on Record |
| Prior Sale | Mar 30, 2012 · Amount on Record |
| Deed Document Number | 20153453437 |
| Record Updated | 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, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $14,820,000 (-3.7%) Land $1,934,140 Building $12,885,860 | $57,000,000 (-) Land $7,439,000 Building $49,561,000 | |
| 2025 | $1,372,788.00 (+3.03%) | $15,390,000 (-0.25%) Land $2,008,530 Building $13,381,470 | $57,000,000 (+3.07%) Land $7,439,000 Building $49,561,000 |
| 2023 | $1,332,407.00 (+1.53%) | $15,428,700 (+9.18%) Land $2,204,100 Building $13,224,600 | $55,300,000 (+13.48%) Land $7,900,000 Building $47,400,000 |
| 2022 | $1,312,339.00 | $14,131,845 Land $2,291,000 Building $11,840,845 | $48,730,500 Land $7,900,000 Building $40,830,500 |
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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