Alameda County property record for 16027 Windsor Dr, Castro Valley, CA 94578 · Last verified October 2025
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 969 sqft · built 1947 |
| Lot Size | 0.126 acres (5,492 sqft) |
| Owner | Individual Name on File |
| Last Sale | $850,000 (Jul 2021) |
| Tax Bill | $11,556 (2025) |
| Deeds & Mortgages | Jul 2021 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 80A-163-26 |
| Primary APN | 80A-163-26 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 969 sqft Living Area |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 5,492 sqft (0.126 acres) |
| Street Address | 16027 WINDSOR DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94578-1417 |
| 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-163-26
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 | Individual Name on File |
|---|---|
| Mailing Address | 16027 WINDSOR DR, CASTRO VALLEY, CA 94578-1417 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jul 07, 2021 · Amount on Record |
| Deed Sale | Jul 07, 2021 · Amount on Record |
| Prior Sale | Feb 25, 2013 |
| Deed Document Number | 2021239108 |
| Record Updated | Jun 07, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jul 07, 2021 |
| Property Address | 16027 WINDSOR DR, SAN LEANDRO, CA 94578-1417 |
| Document Number | 0000239108 |
| Map Reference | MB 13 PG 75-77 |
| Instrument Date | Jun 11, 2021 |
| Instrument | 2021239108 |
| Transaction Type | Transfer |
| Record Updated | Jul 23, 2021 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $935.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 16027 WINDSOR DR, SAN LEANDRO, CA 94578-1417 |
| Document Number | 0000239109 |
|---|---|
| Date | Jul 07, 2021 |
| Instrument | 2021239109 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 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 | $11,556.00 (+3.76%) Homeowner's exemption | $902,020 (+4.04%) Land $270,606 Building $631,414 |
| 2023 | $11,137.00 Homeowner's exemption | $867,000 Land $260,100 Building $606,900 |
Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060014305001, refreshed September 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 |
| Nearby Flood Claims | 2 (1978) |
| Most Recent Claim | Jan 1978, tidal / storm surge |
| 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; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 522 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
May also be available at this address: Verizon, Unwired, Etheric Communications, LLC., AT&T, T-Mobile USA. Availability varies by address; speeds are provider-advertised maximums, not measured.
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