Boulder County property record for 1921 Alpine Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,205 sqft · built 1955 |
| Lot Size | 0.16 acres (6,965 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $159,150 (Apr 1998) |
| Tax Bill | $7,681 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-30-1-15-004 |
| Primary APN | 1463-30-1-15-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,205 sqft Living Area |
| 1st Floor Area | 1,205 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 6,965 sqft (0.16 acres) |
| Porch | Porch |
| Porch Area | 95 sqft |
| Patio Area | 288 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0002573 |
|---|---|
| Street Address | 1921 ALPINE AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3606 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 4 BLK 1 HILLCREST |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | HILLCREST - BO |
| Legal Block | 1 |
| Legal Lot Number | 4 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 12107 |
Source: Boulder County records · APN 1463-30-1-15-004
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 1453 COUNTY ROAD 83, BOULDER, CO 80302-9790 |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 13, 1998 · Amount on Record |
| Deed Sale | Apr 13, 1998 · Amount on Record |
| Prior Sale | Feb 27, 1995 |
| Deed Document Number | 19981790858 |
| 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 | $86,734 (+8.8%) Land $72,828 Building $13,906 | $1,275,500 (-) Land $1,071,000 Building $204,500 | |
| 2025 | $7,681.00 (+4.21%) | $79,719 (-9.59%) Land $66,938 Building $12,781 | $1,275,500 (-3.08%) Land $1,071,000 Building $204,500 |
| 2023 | $7,371.00 (+14.26%) | $88,172 (+28.41%) Land $70,497 Building $17,675 | $1,316,000 (+33.2%) Land $1,052,200 Building $263,800 |
| 2022 | $6,451.00 | $68,666 Land $55,016 Building $13,650 | $988,000 Land $791,600 Building $196,400 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130121072, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Cost | Premium on Record median of 31 individual NFIP policies nearby |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 31 in force |
| Nearby Flood Claims | 5 (2013) |
| Claims Outside the SFHA | 2 of 5 |
| Most Recent Claim | Sep 2013, rainfall accumulation, Severe Storms, Flooding, Landslides, And Mudslides |
| Claims By Storm |
|
| 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; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 640 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Ayva | Fixed Wireless (unlicensed) | 2,500 / 2,500 |
| Lumen Technologies | Fiber | 2,000 / 1,000 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| Live Wire Networks | Fixed Wireless (licensed-by-rule) | 250 / 100 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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