Boulder County property record for 3750 Walnut St, Boulder, CO 80301
| Property Type | Warehouse, Storage |
|---|---|
| Details | 2,162 sqft · built 1966 |
| Lot Size | 0.276 acres (12,037 sqft) |
| Owner | Company Name on File |
| Last Sale | $87,300 (Jan 1996) |
| Tax Bill | $14,209 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1463-29-4-00-038 |
| Primary APN | 1463-29-4-00-038 |
|---|---|
| Alternative APNs |
|
| Stories | 1 Story |
|---|---|
| Building Area | 2,162 sqft Gross Area |
| 1st Floor Area | 2,162 sqft |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1976 |
| Construction Type | Steel Frame |
| Lot Area | 12,037 sqft (0.276 acres) |
| Heating System | Floor/Wall Furnace |
|---|
| Account Number | R0000273 |
|---|---|
| Street Address | 3750 WALNUT ST |
| City | BOULDER |
| State | CO |
| Zip | 80301-2524 |
| Property Category | Industrial |
| Property Type | Industrial > Warehouse, Storage |
| Legal Description | TRACT 3714 BOULDER TRACTS 29-1N-70 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 29 |
| Legal Subdivision | TR, 194-198 - COMMERCIAL |
| Legal Tract | 3714,29 |
| Legal Block | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2024 |
| Census Tract | 12208 |
Source: Boulder County records · APN 1463-29-4-00-038
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 | 1105 ZUNI ST, DENVER, CO 80204-3338 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 11, 1996 · Amount on Record |
| Deed Sale | Jan 11, 1996 · Amount on Record |
| Prior Sale | Feb 22, 1979 |
| Deed Document Number | 19961576031 |
| 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 and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $147,500 (-7.41%) Land $32,500 Building $115,000 | $590,000 (-) Land $130,000 Building $460,000 | |
| 2025 | $14,209.00 (-1.71%) | $159,300 (-9.37%) Land $35,100 Building $124,200 | $590,000 (-6.35%) Land $130,000 Building $460,000 |
| 2023 | $14,456.00 (+94.22%) | $175,770 (+119.28%) Land $36,270 Building $139,500 | $630,000 (+127.93%) Land $130,000 Building $500,000 |
| 2022 | $7,443.00 | $80,156 Land $37,700 Building $42,456 | $276,400 Land $130,000 Building $146,400 |
Source: FEMA National Flood Hazard Layer as of October 14, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 36 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 36 in force |
| Nearby Flood Claims | 2 (2013) |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| Live Wire Networks Fixed Wireless | 250 / 100 |
May also be available: AT&T, Lumen Technologies, Verizon.
Based on FCC filings for 41 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF BOULDER serves 166,080 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Sep 2024 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | Haloacetic acids resolved · Jul 2017 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 last 3 years |
Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures