Alameda County property record for 484 B St, Hayward, CA 94541
| Property Type | Quadplex |
|---|---|
| Details | 8 bd · 5.5 ba · 3,042 sqft · built 1939 |
| Lot Size | 0.175 acres (7,629 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $1,530,000 (Mar 2026) |
| Tax Bill | $8,567 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 431-8-67 |
| Primary APN | 431-8-67 |
|---|---|
| Alternative APN |
|
| Bedrooms | 8 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 18 Rooms |
| Units | 4 Units |
| Stories | 2 Stories |
| Building Area | 3,042 sqft Living Area |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1962 |
| Construction Type | Wood |
| Lot Area | 7,629 sqft (0.175 acres) |
| Street Address | 484 B ST |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94541-5092 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Legal Description | LOT: 00067 BLK: AR: 0431 PAGE: 0008 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 436301 |
Source: Alameda County records, as of September 22, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 484 B ST, HAYWARD, CA 94541-5092 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 31, 2026 · Amount on Record |
| Deed Sale | Mar 31, 2026 · Amount on Record |
| Deed Document Number | 202641841 |
| Prior Transfer Date | Mar 24, 2026 |
| Prior Transfer Doc | 0000041839 |
| Record Updated | Oct 29, 2026 |
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Hayward City |
| Unified School District | Hayward Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $684,925 (+2%) Land $205,477 Building $479,448 | |
| 2025 | $8,567.00 (+0.97%) | $671,497 (+4.04%) Land $201,449 Building $470,048 |
| 2024 | $8,485.00 (+1.53%) | |
| 2023 | $8,357.00 | $645,425 Land $193,627 Building $451,798 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 | CITY OF HAYWARD serves 162,954 people · EPA ID CA0110006 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2025 |
| Lead | Under 1 ppb (2023–2025) 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.
Source: FCC Broadband Data Collection, based on 792 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile, Tekify Fiber & Wireless.
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