Boulder County property record for 3856 Silver Plume, Boulder, CO 80305
| Property Type | Destroyed / Uninhabitable Vacant Land |
|---|---|
| Lot Size | 0.418 acres (18,213 sqft) |
| Owner | Company Name on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-17-2-12-020 |
| Primary APN | 1577-17-2-12-020 |
|---|---|
| Alternative APNs |
|
| Lot Area | 18,213 sqft (0.418 acres) |
|---|
| Account Number | R0069026 |
|---|---|
| Street Address | 3856 SILVER PLUME |
| City | BOULDER |
| State | CO |
| Zip | 80305 |
| Property Category | Vacant Land |
| Property Type | Vacant Land > Destroyed / Uninhabitable |
| Legal Description | OUTLOT A3 SHANAHAN RIDGE 4 VALUE DIST TO HOMEOWNERS HB 1346 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 17 |
| Legal Subdivision | SHANAHAN RIDGE 4 - BO |
| Legal Block | 3 |
| Legal Lot Number | A3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 12510 |
3856 Silver Plume, destroyed / uninhabitable vacant land, is owned by a company that acquired it in July 1976.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 3725 SILVER PLUME LN, BOULDER, CO 80305-7216 |
| Owner Type | Company |
| Vesting | Company |
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 | Jul 1, 1976 |
| Deed Sale | Jul 1, 1976 |
| Deed Document Number | 1976182664 |
| Record Updated | Oct 29, 2026 |
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) |
FEMA maps place 3856 Silver Plume in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1978.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 17 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 17 in force |
| Nearby Flood Claims | 5 (1978–2013) |
| Claims Outside the SFHA | 4 of 5 |
| 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 3856 Silver Plume is high, ranking above 78% of the US, with a 0.5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 78% of the US · above 79% of Colorado |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Direct burnable vegetation |
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 510 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
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