Boulder County property record for 1780 Oak Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.25 ba · 2,196 sqft · built 1987 |
| Lot Size | 0.257 acres (11,175 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $147,400 (Apr 1988) |
| Tax Bill | $8,396 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-18-3-44-001 |
| Primary APN | 1463-18-3-44-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,196 sqft Living Area |
| Gross Area | 2,864 sqft |
| 1st Floor Area | 854 sqft |
| Upper Floors Area | 794 sqft |
| Basement Area | 798 sqft |
| Finished Basement | 548 sqft |
| Unfinished Basement | 250 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 11,175 sqft (0.257 acres) |
| Garage Type | Attached |
| Garage Area | 418 sqft |
| Parking Spaces | 2 Parking Spaces |
| Patio Area | 220 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0033566 |
|---|---|
| Street Address | 1780 OAK AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-1223 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 NORWOOD PARK PUD SPLIT SEE ID 105787-105789 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 18 |
| Legal Subdivision | NORWOOD PARK PUD - BO |
| Legal Block | 3 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 12105 |
1780 Oak Ave is owned and occupied by two individuals who bought it in April 1988.
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1780 OAK AVE, BOULDER, CO 80304-1223 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 14, 1988 · Amount on File |
| Deed Sale | Apr 14, 1988 · Amount on File |
| Prior Sale | Dec 11, 1986 · Amount on File |
| Deed Document Number | 1988912992 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1780 Oak Ave was $8,396.
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 | $97,845 (+3.75%) Land $56,576 Building $41,269 | $1,508,900 (-) Land $902,000 Building $606,900 | |
| 2025 | $8,396.00 | $94,306 Land $56,375 Building $37,931 | $1,508,900 Land $902,000 Building $606,900 |
| 2023 | $8,826.00 (+26.99%) | $105,894 (+41.48%) Land $58,277 Building $47,617 | $1,580,500 (+46.76%) Land $869,800 Building $710,700 |
| 2022 | $6,950.00 | $74,845 Land $47,017 Building $27,828 | $1,076,900 Land $676,500 Building $400,400 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1780 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 1780 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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