Alameda County property record for 309 4th St, Oakland, CA 94607
| Property Type | Condominium |
|---|---|
| Details | 36,375 sqft · built 1929 |
| Lot Size | 1.03 acres (45,000 sqft) |
| Last Sale | $254,000 (Aug 1998) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1-147-46 |
| Primary APN | 1-147-46 |
|---|---|
| Alternative APN |
|
| Units | 32 Units |
|---|---|
| Stories | 1 Story |
| Building Area | 36,375 sqft Living Area |
| Year Built | Built 1929 |
|---|---|
| Effective Year Built | Effective 1977 |
| Architectural Style | Other |
| Construction Type | Tilt-Up Concrete |
| Lot Area | 45,000 sqft (1.03 acres) |
| View / Lot | Average |
| Total Buildings | 2 Buildings |
| Street Address | 309 4TH ST |
|---|---|
| City | OAKLAND |
| State | CA |
| Zip | 94607-4119 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | COMMON AREA OF PM 7162 14 THRU 45 |
| Legal Subdivision | PORTICO LOFTS |
| Legal Tract | 7162 |
| Legal Block | 33 |
| Legal Unit | E5 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 983200 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Oakland Waterfront Warehouse District listed 2000 · 25 contributing resources · NRIS 00000361 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Alameda County records, as of September 27, 2023
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Mailing Address | 491 MANDANA BLVD APT 7, 7, OAKLAND, CA 94610-2123 |
|---|---|
| Owner Type | Company |
| Last Sale | Aug 28, 1998 · Amount on Record |
|---|---|
| Deed Sale | Aug 28, 1998 · Amount on Record |
| Prior Sale | Feb 4, 1997 · Amount on Record |
| Deed Document Number | 98299173 |
| Record Updated | Jun 7, 2026 |
Source: Alameda County assessment roll, as of July 1, 2023
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Oakland City |
| Unified School District | Oakland Unified School District (KG - 12) |
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
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 255 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Astound Broadband, Etheric Networks, GeoLinks, Google Fiber, Sail Internet, T-Mobile, Verizon.
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