Alameda County property record for 21668 Westfield Ave, Hayward, CA 94541 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,605 sqft · built 1942 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $1,501 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 428-1-92 |
| Primary APN | 428-1-92 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,605 sqft Living Area |
| Year Built | Built 1942 |
|---|---|
| Effective Year Built | Effective 1942 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,000 sqft (0.115 acres) |
| Street Address | 21668 WESTFIELD AVE |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94541-2561 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00005 BLK: TR: 0589 |
| Legal Subdivision | TR 589 |
| Legal Tract | 0589 |
| Legal Lot Number | 5 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 435500 |
Source: Alameda County records · APN 428-1-92
Assessment roll updated August 5, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 65 MOSSWOOD CT, LIVERMORE, CA 94551-3963 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Jan 07, 2025 |
| Transfer Doc | 0000008781 |
| Record Updated | Sep 20, 2026 |
Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Hayward City |
| Unified School District | Hayward Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $97,735 (-4.82%) Land $35,511 Building $69,224 | ||
| 2025 | $1,501.00 (+2.39%) Homeowner's exemption | $102,682 (+4.04%) Land $34,815 Building $67,867 | |
| 2023 | $1,466.00 Homeowner's exemption | $98,695 Land $33,463 Building $65,232 | $455,670 |
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 742 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Sonic Telecom | Fiber | 10,000 / 10,000 |
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. | Fixed Wireless (licensed-by-rule) | 250 / 100 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: Unwired, AT&T, Robinson Hardware and Software Solutions, T-Mobile USA, Tekify, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.
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