Boulder County property record for 601 Alpine Ave, Boulder, CO 80304
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 5 bd · 2 ba · 1,936 sqft · built 1953 |
| Lot Size | 0.175 acres (7,617 sqft) |
| Owner | Individual Name on File |
| Last Sale | $559,000 (Jul 2011) |
| Tax Bill | $8,188 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-25-1-62-005 |
| Primary APN | 1461-25-1-62-005 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,936 sqft Living Area |
| Gross Area | 2,192 sqft |
| 1st Floor Area | 1,024 sqft |
| Basement Area | 1,024 sqft |
| Finished Basement | 912 sqft |
| Unfinished Basement | 112 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 7,617 sqft (0.175 acres) |
| Garage Type | Attached |
| Garage Area | 144 sqft |
| Deck Area | 288 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0006316 |
|---|---|
| Street Address | 601 ALPINE AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3211 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOT 6 LESS NWLY TRI OWNED BY CITY BLK 1 HUDSON |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | HUDSON - BO |
| Legal Block | 1 |
| Legal Lot Number | 6 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 12101 |
601 Alpine Ave, a residential property, is owned by an individual who bought it in July 2011.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 61 GARFIELD AVE, B, EASTHAMPTON, MA 01027-2240 |
| Owner Type | Individual |
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 26, 2011 · Amount on File |
| Deed Sale | Jul 26, 2011 · Amount on File |
| Prior Sale | Jan 11, 1999 · Amount on File |
| Deed Document Number | 20113161398 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 601 Alpine Ave was $8,188.
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 | $86,836 (+3.15%) Land $77,676 Building $9,160 | $1,347,000 (-) Land $1,212,300 Building $134,700 | |
| 2025 | $8,188.00 | $84,188 Land $75,769 Building $8,419 | $1,347,000 Land $1,212,300 Building $134,700 |
| 2023 | $8,110.00 (+21.01%) | $95,863 (+35.87%) Land $86,277 Building $9,586 | $1,430,800 (+37.9%) Land $1,287,720 Building $143,080 |
| 2022 | $6,702.00 | $70,557 Land $63,501 Building $7,056 | $1,037,600 Land $933,840 Building $103,760 |
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 601 Alpine Ave 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 A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 12 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 16 units insured incl. 4 condo units |
| Nearby Flood Claims | 3 (2013) |
| Claims Outside the SFHA | 3 of 3 |
| 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 601 Alpine Ave is moderate, ranking above 59% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 59% of the US · above 46% of Colorado |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within 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 684 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 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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