Alameda County property record for 5259 Winifred Dr, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,096 sqft · built 1956 |
| Lot Size | 0.114 acres (5,000 sqft) |
| Owner | Company Name on File |
| Last Sale | $640,000 (Jan 2014) |
| Tax Bill | $11,415 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 85-1105-80 |
| Primary APN | 85-1105-80 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,096 sqft Living Area |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 5,000 sqft (0.114 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 5259 WINIFRED DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-2551 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 1712 BLK B LOT 8 |
| Legal Subdivision | 1712 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 430200 |
Source: Alameda County records · APN 85-1105-80
Assessment roll updated July 1, 2025 · Last verified October 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 5259 WINIFRED DR, CASTRO VALLEY, CA 94546-2551 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 08, 2014 · Amount on Record |
| Deed Sale | Jan 08, 2014 · Amount on Record |
| Prior Sale | Jan 08, 2014 · Amount on Record |
| Deed Document Number | 0000004027 |
| Last Transfer Date | Sep 10, 2015 |
| Transfer Doc | 0000250247 |
| Record Updated | Jun 08, 2026 |
Source: Alameda County records · Assessment roll updated July 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $11,415.00 (+3.84%) | $893,745 (+4.04%) Land $268,123 Building $625,622 |
| 2023 | $10,993.00 | $859,045 Land $257,713 Building $601,332 |
Source: FEMA National Flood Hazard Layer as of May 25, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Low lower than 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Communications, LLC., T-Mobile USA.
Based on FCC filings for 412 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | EAST BAY MUD serves 1,468,000 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them. The full violation and enforcement history is in the system's EPA record.
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