Alameda County property record for 9905 Walnut St, Oakland, CA 94603
| Property Type | Quadplex |
|---|---|
| Details | 8 bd · 4 ba · 3,310 sqft · built 1959 |
| Lot Size | 0.115 acres (4,995 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $260,000 (Oct 2008) |
| Tax Bill | $8,368 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 46-5427-1 |
| Primary APN | 46-5427-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 8 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 16 Rooms |
| Units | 4 Units |
| Stories | 2 Stories |
| Building Area | 3,310 sqft Living Area |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Construction Type | Wood |
| Lot Area | 4,995 sqft (0.115 acres) |
| Street Address | 9905 WALNUT ST |
|---|---|
| City | OAKLAND |
| State | CA |
| Zip | 94603-2601 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Legal Description | LOT: 00001 BLK: AR: 0046 PAGE: 5427 |
| Legal Subdivision | GRENZEBACH |
| Legal Lot Number | 12&13 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 410300 |
9905 Walnut St, a quadplex, is owned by two individuals who bought it in October 2008.
Source: Alameda County records, as of August 5, 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 | 3300 VERNICE AVE, SAN JOSE, CA 95127-4226 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 1, 2008 · Amount on File |
| Deed Sale | Oct 1, 2008 · Amount on File |
| Prior Sale | Jan 2, 2008 · Amount on File |
| Deed Document Number | 2008290225 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 9905 Walnut St was $8,368.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Oakland City |
| Unified School District | Oakland Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $341,488 (+2%) Land $102,446 Building $239,042 | |
| 2025 | $8,368.00 | $334,793 Land $100,438 Building $234,355 |
| 2023 | $8,122.00 | $321,796 Land $96,539 Building $225,257 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 9905 Walnut St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1982.
Source: FEMA National Flood Hazard Layer, effective May 25, 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 |
| Nearby Flood Claims | 2 (1982–1999) |
| Most Recent Claim | Oct 1999 · rainfall accumulation |
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.
The area around 9905 Walnut St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 1,097 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, GeoLinks, T-Mobile.
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