Boulder County property record for 1890 Oak Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.75 ba · 2,020 sqft · built 1925 |
| Lot Size | 0.173 acres (7,534 sqft) |
| Owner | Individual Name on File |
| Last Sale | $150,500 (Jan 1993) |
| Tax Bill | $5,210 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-18-3-10-002 |
| Primary APN | 1463-18-3-10-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,020 sqft Living Area |
| Gross Area | 2,464 sqft |
| 1st Floor Area | 974 sqft |
| Upper Floors Area | 516 sqft |
| Basement Area | 638 sqft |
| Finished Basement | 530 sqft |
| Unfinished Basement | 108 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1949 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 7,534 sqft (0.173 acres) |
| Garage Type | Attached |
| Garage Area | 336 sqft |
| Parking Spaces | 4 Parking Spaces |
| Deck Area | 323 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0066446 |
|---|---|
| Street Address | 1890 OAK AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-1225 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 2 NORWOOD |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 18 |
| Legal Subdivision | NORWOOD - BO |
| Legal Block | 3 |
| Legal Lot Number | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 12105 |
1890 Oak Ave is owned and occupied by an individual who bought it in January 1993.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1890 OAK AVE, BOULDER, CO 80304-1225 |
| Occupancy | Owner Occupied |
| 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 | Jan 19, 1993 · Amount on File |
| Deed Sale | Jan 19, 1993 · Amount on File |
| Prior Sale | Mar 26, 1980 · Amount on File |
| Deed Document Number | 19931258662 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1890 Oak Ave was $5,210.
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 | $61,492 (+0.98%) Land $41,418 Building $20,074 | $974,300 (-) Land $679,100 Building $295,200 | |
| 2025 | $5,210.00 | $60,894 Land $42,444 Building $18,450 | $974,300 Land $679,100 Building $295,200 |
| 2023 | $4,956.00 (+6.03%) | $67,784 (+18.33%) Land $43,858 Building $23,926 | $1,011,700 (+22.75%) Land $654,600 Building $357,100 |
| 2022 | $4,674.00 | $57,282 Land $35,563 Building $21,719 | $824,200 Land $511,700 Building $312,500 |
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 1890 Oak Ave in Zone X, an area of minimal flood risk, though there have been 26 flood claims nearby since 2005.
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 32 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 32 in force |
| Nearby Flood Claims | 26 (2005–2015) |
| Claims Outside the SFHA | 10 of 26 |
| Most Recent Claim | May 2015 · Severe Storms, Tornadoes, 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 1890 Oak Ave is low, with a 0.02% annual chance of wildfire.
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 | 0.02% 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 482 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| CenturyLink Fiber · DSL in parts of the area | 8,000 / 8,000 |
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
May also be available: T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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