Alameda County property record for 316 Warner Ave, Hayward, CA 94544
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,527 sqft · built 1951 |
| Lot Size | 0.127 acres (5,555 sqft) |
| Owner | Owner on Record |
| Last Sale | $275,000 (Jun 2010) |
| Tax Bill | $5,501 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 78G-2773-15 |
| Primary APN | 78G-2773-15 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,527 sqft Living Area |
| Year Built | Built 1951 |
|---|---|
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 5,555 sqft (0.127 acres) |
| Parking Spaces | 1 Parking Space |
| Street Address | 316 WARNER AVE |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94544-8250 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 5 |
| Census Block | 5009 |
| Census Tract | 438100 |
Source: Alameda County assessment roll, as of July 1, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Owner on Record |
|---|---|
| Mailing Address | 316 WARNER AVE, HAYWARD, CA 94544-8250 |
| Occupancy | Owner Occupied |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 14, 2010 · Amount on Record |
| Deed Sale | Jun 14, 2010 · Amount on Record |
| Prior Sale | Jun 14, 2010 · Amount on Record |
| Deed Document Number | 0000164524 |
| Last Transfer Date | Jan 12, 2012 |
| Transfer Doc | 0000011566 |
| Record Updated | Jun 8, 2026 |
Source: Alameda County assessment roll, as of July 1, 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Hayward City |
| Unified School District | New Haven Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $5,501.00 (+7.93%) | $354,950 (+4.04%) Land $106,485 Building $248,465 |
| 2023 | $5,097.00 | $341,170 Land $102,351 Building $238,819 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 | Moderate above 43% of the US · lower than 74% of California |
|---|---|
| Wildfire Likelihood | 0.08% annual chance |
| Exposure | Indirect 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 746 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, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Tekify Fiber & Wireless Fixed Wireless · Fiber in parts of the area | 1,000 / 1,000 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
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