Alameda County property record for 315 Warner Ave, Hayward, CA 94544
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 951 sqft · built 1951 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $4,133 (2025) |
| Deeds & Mortgages | Jun 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 78G-2776-12 |
| Primary APN | 78G-2776-12 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 951 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,000 sqft (0.115 acres) |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 315 WARNER AVE |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94544-8249 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00056 BLK: 0011 TR: 1022 |
| Legal Tract | 1022 |
| Legal Block | 11 |
| Legal Lot Number | 56 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 5 |
| Census Block | 5011 |
| Census Tract | 438100 |
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 1128 SILVER ST, UNION CITY, CA 94587-5484 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jun 21, 2017 |
| Transfer Doc | 0000139839 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jun 27, 2017 |
| Property Address | 315 WARNER AVE, HAYWARD, CA 94544-8249 |
| Document Number | 0000139839 |
| Instrument Date | Jun 21, 2017 |
| Instrument | 139839 |
| Transaction Type | Transfer |
| Record Updated | Jul 18, 2017 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 1128 SILVER ST UNION CITY CA 945875484, UNION CITY, CA 94587-5484 |
Source: Alameda County assessment roll, as of August 5, 2026
| 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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $309,623 (+2%) Land $92,887 Building $216,736 | ||
| 2025 | $4,133.00 (+5.33%) | $303,553 (+4.04%) Land $91,066 Building $212,487 | |
| 2023 | $3,924.00 | $291,767 Land $87,530 Building $204,237 | $616,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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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