Boulder County property record for 3405 Penrose Pl, Boulder, CO 80301
| Property Type | Mixed Use Store/Office |
|---|---|
| Details | 11,370 sqft · built 1980 |
| Lot Size | 0.857 acres (37,329 sqft) |
| Owner | Company Name on File |
| Last Sale | $2,200,000 (Nov 2024) |
| Tax Bill | $54,791 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-20-1-06-003 |
| Primary APN | 1463-20-1-06-003 |
|---|---|
| Alternative APNs |
|
| Units | 14 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 11,370 sqft Gross Area |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Construction Type | Wood |
| Lot Area | 37,329 sqft (0.857 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0077963 |
|---|---|
| Street Address | 3405 PENROSE PL |
| City | BOULDER |
| State | CO |
| Zip | 80301-1818 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Mixed Use Store/Office |
| Legal Description | LOT 3 DIAGONAL OFFICE PARK |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 20 |
| Legal Subdivision | DIAGONAL OFFICE PARK - BO |
| Legal Block | 1 |
| Legal Lot Number | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 12207 |
3405 Penrose Pl, a commercial property, is owned by a company that bought it in November 2024.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 2171 MESA DR, BOULDER, CO 80304-3621 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 12, 2024 · Amount on File |
| Deed Sale | Nov 12, 2024 · Amount on File |
| Prior Sale | Jan 9, 1998 · Amount on File |
| Deed Document Number | 20244066910 |
| Prior Transfer Date | Jan 7, 1998 |
| Prior Transfer Doc | 0001761969 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3405 Penrose Pl was $54,791.
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $568,750 (-7.41%) Land $268,750 Building $300,000 | $2,275,000 (-) Land $1,075,000 Building $1,200,000 | |
| 2025 | $54,791.00 | $614,250 Land $290,250 Building $324,000 | $2,275,000 Land $1,075,000 Building $1,200,000 |
| 2023 | $78,795.00 (+42.38%) | $920,784 (+54.51%) Land $634,307 Building $286,477 | $3,300,300 (+60.6%) Land $2,273,500 Building $1,026,800 |
| 2022 | $55,342.00 | $595,950 Land $321,900 Building $274,050 | $2,055,000 Land $1,110,000 Building $945,000 |
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.
FEMA maps place 3405 Penrose Pl in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 4 (2013) |
| Claims Outside the SFHA | 2 of 4 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
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.
Wildfire risk around 3405 Penrose Pl is low, with a 0.04% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 97.5% of Colorado |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF BOULDER serves 166,080 people · EPA ID CO0107152 |
|---|---|
| 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, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 108 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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