Boulder County property record for 4390 Hanover Ave, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,975 sqft · built 1961 |
| Lot Size | 0.191 acres (8,314 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $5,961 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-08-1-23-009 |
| Primary APN | 1577-08-1-23-009 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,975 sqft Living Area |
| Gross Area | 3,378 sqft |
| 1st Floor Area | 1,546 sqft |
| Upper Floors Area | 480 sqft |
| Basement Area | 1,066 sqft |
| Finished Basement | 949 sqft |
| Unfinished Basement | 117 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1990 |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 8,314 sqft (0.191 acres) |
| Garage Type | Attached |
| Garage Area | 286 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
|---|---|
| Porch Area | 120 sqft |
| Deck Area | 304 sqft |
| Patio Area | 664 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0012506 |
|---|---|
| Street Address | 4390 HANOVER AVE |
| City | BOULDER |
| State | CO |
| Zip | 80305-6033 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 9 BLK 1 MAJESTIC HEIGHTS |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 08 |
| Legal Subdivision | MAJESTIC HEIGHTS - BO |
| Legal Block | 1 |
| Legal Lot Number | 9 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 12508 |
4390 Hanover Ave is owned and occupied by two individuals who acquired it in December 1984.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4390 HANOVER AVE, BOULDER, CO 80305-6033 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Dec 3, 1984 |
| Deed Sale | Dec 3, 1984 |
| Prior Sale | Jan 6, 1982 · Amount on File |
| Deed Document Number | 1984659821 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4390 Hanover Ave was $5,961.
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 | $70,067 (+1.88%) Land $30,117 Building $39,950 | $1,100,400 (-) Land $512,900 Building $587,500 | |
| 2025 | $5,961.00 | $68,775 Land $32,056 Building $36,719 | $1,100,400 Land $512,900 Building $587,500 |
| 2023 | $5,875.00 (+2%) | $78,424 (+31.41%) Land $37,882 Building $40,542 | $1,170,500 (+36.31%) Land $565,400 Building $605,100 |
| 2022 | $4,896.00 | $59,680 Land $28,196 Building $31,484 | $858,700 Land $405,700 Building $453,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4390 Hanover Ave in Zone X, an area of minimal flood risk.
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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 1 in force |
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 4390 Hanover Ave is moderate, ranking above 45% of the US, with a 0.09% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 45% of the US · lower than 72% of Colorado |
|---|---|
| Wildfire Likelihood | 0.09% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 604 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 |
May also be available: AT&T, T-Mobile.
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