Alameda County property record for 15912 Windsor Dr, Castro Valley, CA 94578
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,207 sqft · built 1947 |
| Lot Size | 0.111 acres (4,850 sqft) |
| Owner | Individual Name on File |
| Last Sale | $700,000 (Jun 2025) |
| Tax Bill | $6,070 (2025) |
| Deeds & Mortgages | Dec 2025 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 80A-162-13 |
| Primary APN | 80A-162-13 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,207 sqft Living Area |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 4,850 sqft (0.111 acres) |
| Street Address | 15912 WINDSOR DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94578-1416 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 813 BLK E LOT 16 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 430500 |
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 | Individual Name on File |
|---|---|
| Co-owner | Verified Secondary Owner |
| Mailing Address | 15912 WINDSOR DR, CASTRO VALLEY, CA 94578-1416 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 16, 2025 · Amount on Record |
| Deed Sale | Jun 16, 2025 · Amount on Record |
| Prior Sale | May 9, 2025 · Amount on Record |
| Deed Document Number | 2025076907 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 15912 WINDSOR DR, CASTRO VALLEY, CA 94578-1416 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2026 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 15912 WINDSOR DR, CASTRO VALLEY, CA 94578-1416 |
| Document Number | 0000165452 |
|---|---|
| Date | Dec 26, 2025 |
| Instrument | 2025165452 |
| Name | NEW WAVE LENDING GROUP INC |
|---|---|
| Type | Mortgage Company |
| Address | 1199 FAIRWAY DR, CITY OF INDUSTRY, CA 91789 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2056 |
Source: Alameda County assessment roll, as of July 1, 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | San Lorenzo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $6,070.00 (+3.9%) Homeowner's exemption | $442,791 (+4.04%) Land $131,267 Building $311,524 |
| 2023 | $5,842.00 Homeowner's exemption | $425,600 Land $126,171 Building $299,429 |
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 · 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 Claims | 2 (1978) |
| Most Recent Claim | Jan 1978 · tidal / storm surge |
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 | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| 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, 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.
Source: FCC Broadband Data Collection, based on 522 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 | 2,000 / 250 |
May also be available: Etheric Communications, LLC., T-Mobile USA, Unwired, Verizon.
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