Alameda County property record for 644 28th St, Oakland, CA 94609 · Last verified October 2025
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 2,236 sqft · built 1910 |
| Lot Size | 0.078 acres (3,400 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $4,405 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 9-697-23 |
| Primary APN | 9-697-23 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,236 sqft Total Area |
| Year Built | Built 1910 |
|---|---|
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 3,400 sqft (0.078 acres) |
| View / Lot | Average |
| Street Address | 644 28TH ST |
|---|---|
| City | OAKLAND |
| State | CA |
| Zip | 94609-3509 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | SUBD:ALDEN TRACT |
| Legal Subdivision | ALDEN TRACT |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 401400 |
Source: Alameda County records · APN 9-697-23
Assessment roll updated July 1, 2025 · Last verified October 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3027 22ND AVE, OAKLAND, CA 94602-1521 |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Prior Sale | Nov 19, 2013 |
| Last Transfer Date | Dec 22, 2015 |
| Transfer Doc | 0000333650 |
| Record Updated | Jun 07, 2026 |
Source: Alameda County records · Assessment roll updated July 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Oakland City |
| Unified School District | Oakland Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $4,405.00 (+3.38%) | $149,764 (+4.04%) Land $44,851 Building $104,913 |
| 2023 | $4,261.00 | $143,949 Land $43,109 Building $100,840 |
Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 534 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 2,000 |
| Unwired | Fixed Wireless | 300 / 25 |
| Etheric Communications, LLC. | Fixed Wireless (licensed-by-rule) | 250 / 100 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Verizon, AT&T, Sonic Telecom, California Internet, Radiate Holdings, Google Fiber, Xfinity, Sail Internet Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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