Boulder County property record for 343 Alpine Ave, Boulder, CO 80304 · Last verified June 2026
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1.75 Baths |
| Year Built | Built 1975 |
| Square Footage | 2,080 sqft Living Area |
| Lot Size | 9,573 sqft (0.22 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $25,000 (1979) |
| Tax Bill | $10,788.00 (2025) |
| Primary APN | 1461-25-2-03-007 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 6 Rooms |
| Units | 2 Units |
| Building Area | 2,080 sqft Living Area |
| 1st Floor | 1,040 sqft 1st Floor |
| Basement Area | 1,040 sqft Basement |
| Finished Basement | 1,040 sqft Finished |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 9,573 sqft (0.22 acres) |
| Deck Area | 286 sqft Deck |
| Patio Area | 341 sqft Patio |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0005373 |
|---|---|
| Street Address | 343 ALPINE AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-3207 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | W 1/2 LOTS 11-16 INC BLK 48 NEWLANDS PER DEED 978217 06/07/71 BCR ID 5374 COMBINED HERE PER OWNERS REQUEST 1987 |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 25 |
| Legal Subdivision | NEWLANDS - BO |
| Legal Block | 48 |
| Legal Lot Number | 11 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | BOULDER |
| Census Blockgroup | 3 |
| Census Block | 3022 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-25-2-03-007
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 | 343 ALPINE AVE, BOULDER, CO 80304-3207 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 04, 1979 · Amount on Record |
| Deed Sale | May 04, 1979 · Amount on Record |
| Prior Sale | Jun 07, 1971 · Amount on Record |
| Deed Doc Number | 1979335749 |
| Record Refreshed | 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 and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $123,107 (+8.8%) Land $110,796 Building $12,311 | $1,810,400 (-) Land $1,629,360 Building $181,040 | |
| 2025 | $10,788.00 (-1.87%) | $113,150 (-13.62%) Land $101,835 Building $11,315 | $1,810,400 (-7.4%) Land $1,629,360 Building $181,040 |
| 2023 | $10,994.00 (+26.67%) | $130,992 (+40.15%) Land $117,893 Building $13,099 | $1,955,100 (+42.24%) Land $1,759,590 Building $195,510 |
| 2022 | $8,679.00 | $93,466 Land $84,119 Building $9,347 | $1,374,500 Land $1,237,050 Building $137,450 |
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