Boulder County property record for 1420 Alpine Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.75 ba · 1,553 sqft · built 1937 |
| Lot Size | 0.122 acres (5,311 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $102,000 (Dec 1989) |
| Tax Bill | $6,052 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1463-30-2-51-002 |
| Primary APN | 1463-30-2-51-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,553 sqft Living Area |
| 1st Floor Area | 914 sqft |
| Upper Floors Area | 639 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1937 |
|---|---|
| Effective Year Built | Effective 1980 |
| Exterior Material | Combination |
| Construction Type | Frame |
| Lot Area | 5,311 sqft (0.122 acres) |
| Garage Type | Detached |
| Garage Area | 729 sqft |
| Parking Spaces | 3 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0006099 |
|---|---|
| Street Address | 1420 ALPINE AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3506 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT B SITGES SUBDIVISION |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | SITGES SUBDIVISION - BO |
| Legal Block | 1 |
| Legal Lot Number | B |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 12106 |
Source: Boulder County records, as of June 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 1420 ALPINE AVE, BOULDER, CO 80304-3506 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 5, 1989 · Amount on Record |
| Deed Sale | Dec 5, 1989 · Amount on Record |
| Prior Sale | Sep 15, 1989 |
| Deed Document Number | 19891016718 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County assessment roll, as of June 15, 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 | $75,861 (+8.8%) Land $51,456 Building $24,405 | $1,115,600 (-) Land $756,700 Building $358,900 | |
| 2025 | $6,052.00 (+6.25%) | $69,725 (-8.68%) Land $47,294 Building $22,431 | $1,115,600 (-2.11%) Land $756,700 Building $358,900 |
| 2023 | $5,696.00 (+20.04%) | $76,353 (+31.52%) Land $49,312 Building $27,041 | $1,139,600 (+36.43%) Land $736,000 Building $403,600 |
| 2022 | $4,745.00 | $58,053 Land $37,405 Building $20,648 | $835,300 Land $538,200 Building $297,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 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 27 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 102 units insured incl. 75 condo units |
| Nearby Flood Claims | 4 (2013–2023) |
| Most Recent Claim | Mar 2023 · other causes |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 91% of Colorado |
|---|---|
| Wildfire Likelihood | 0.01% 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 544 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 | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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