Alameda County property record for 623 Atherton Pl, Hayward, CA 94541
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 3 ba · 1,224 sqft · built 1997 |
| Lot Size | 0.019 acres (810 sqft) |
| Owner | Company Name on Record |
| Last Sale | $480,500 (Jan 2013) |
| Tax Bill | $4,421 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 428-77-34 |
| Primary APN | 428-77-34 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,224 sqft Living Area |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1997 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 810 sqft (0.019 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 623 ATHERTON PL |
|---|---|
| City | HAYWARD |
| State | CA |
| Zip | 94541-6600 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | LOT: 00033 BLK: TR: 6716 |
| Legal Tract | 6716 |
| Legal Lot Number | 33 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 435400 |
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 | 20030 FOREST AVE, CUPERTINO, CA 95014-2009 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 31, 2013 · Amount on Record |
| Deed Sale | Jan 31, 2013 · Amount on Record |
| Prior Sale | Nov 1, 2012 · Amount on Record |
| Deed Document Number | 201341582 |
| Last Transfer Date | Sep 12, 2014 |
| Transfer Doc | 0000224911 |
| Record Updated | Sep 20, 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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $351,680 (+2%) Land $105,504 Building $246,176 | ||
| 2025 | $4,421.00 (+2.41%) | $344,785 (+4.04%) Land $103,435 Building $241,350 | |
| 2023 | $4,317.00 | $331,398 Land $99,419 Building $231,979 | $670,770 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; 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 739 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 · Fiber in parts of the area | 2,000 / 2,000 |
| 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, Sail Internet, T-Mobile, Tekify Fiber & Wireless.
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