Alameda County property record for 15989 Windsor Dr, Castro Valley, CA 94578 · Last verified October 2025
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,289 sqft · built 1947 |
| Lot Size | 0.126 acres (5,500 sqft) |
| Owner | Company Name on File |
| Last Sale | $415,000 (Jan 2004) |
| Tax Bill | $7,912 (2025) |
| Deeds & Mortgages | Mar 2021 Transfer Mar 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 80A-163-22 |
| Primary APN | 80A-163-22 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,289 sqft Living Area |
| Year Built | Built 1947 |
|---|---|
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 5,500 sqft (0.126 acres) |
| Street Address | 15989 WINDSOR DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94578-1415 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 430500 |
Source: Alameda County records · APN 80A-163-22
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 |
|---|---|
| Co-owner | 2 Verified Secondary Owners |
| Mailing Address | 20176 SAN MIGUEL AVE, CASTRO VALLEY, CA 94546-4210 |
| Owner Type | Company, Secondary Individual |
| Vesting | Trust |
| Date | Document |
|---|---|
| Mar 30, 2021 | Intrafamily Transfer, Transfer CHICAGO TITLE COMPANY |
| Mar 30, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage GUARANTEED RATE AFFINITY LLC |
| Deed Names | 3 Verified Names on Deed |
|---|---|
| Last Sale | Jan 28, 2004 · Amount on Record |
| Deed Sale | Jan 28, 2004 · Amount on Record |
| Prior Sale | Mar 30, 2021 |
| Deed Document Number | 0000032887 |
| Record Updated | Jun 08, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Mar 30, 2021 |
| Property Address | 15989 WINDSOR DR, SAN LEANDRO, CA 94578-1415 |
| Document Number | 0000126776 |
| Map Reference | MB 13 PG 75 |
| Instrument Date | Mar 23, 2021 |
| Instrument | 2021126776 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 20176 SAN MIGUEL AVE, CASTRO VALLEY, CA 94546-4210 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Mar 30, 2021 |
| Property Address | 15989 WINDSOR DR, SAN LEANDRO, CA 94578-1415 |
| Document Number | 0000126774 |
| Map Reference | MB 13 PG 75 |
| Instrument Date | Mar 23, 2021 |
| Instrument | 2021126774 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 20176 SAN MIGUEL AVE, CASTRO VALLEY, CA 94546-4210 |
| Document Number | 0000126775 |
|---|---|
| Date | Mar 30, 2021 |
| Instrument | 2021126775 |
| Name | GUARANTEED RATE AFFINITY LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2051 |
Source: Alameda County records · Assessment roll updated July 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | San Lorenzo 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 | $7,912.00 (+3.79%) | $590,008 (+4.04%) Land $177,002 Building $413,006 |
| 2023 | $7,623.00 | $567,101 Land $170,130 Building $396,971 |
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 |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | 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.
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