Alameda County property record for 3816 Wilson Ave, Castro Valley, CA 94546
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,022 sqft · built 1940 |
| Lot Size | 0.149 acres (6,490 sqft) |
| Owner | Trust Name on File |
| Last Sale | $990,000 (May 2022) |
| Tax Bill | $12,551 (2025) |
| Deeds & Mortgages | May 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 84D-1342-68 |
| Primary APN | 84D-1342-68 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 1,022 sqft Living Area |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 6,490 sqft (0.149 acres) |
| Street Address | 3816 WILSON AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3026 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00068 BLK: AR: 084D PAGE: 1342 |
| Legal Subdivision | TOWNSHIP/EDEN |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 430700 |
3816 Wilson Ave is owner-occupied and held in a trust since May 2022.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 3816 WILSON AVE, CASTRO VALLEY, CA 94546-3026 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 9, 2022 · Amount on File |
| Deed Sale | May 9, 2022 · Amount on File |
| Prior Sale | Dec 10, 2003 · Amount on File |
| Deed Document Number | 202291100 |
| Prior Transfer Date | Mar 31, 2016 |
| Prior Transfer Doc | 0000159935 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 9, 2022 |
| Property Address | 3816 WILSON AVE, CASTRO VALLEY, CA 94546-3026 |
| Document Number | 0000091100 |
| Map Reference | MB 5884 PG 351 |
| Instrument Date | May 3, 2022 |
| Instrument | 2022091100 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | DOMA TITLE OF CALIFORNIA INC |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,089.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Living Trust |
| Address | 3816 WILSON AVE, CASTRO VALLEY, CA 94546-3026 |
| Document Number | 0000091101 |
|---|---|
| Date | May 9, 2022 |
| Instrument | 2022091101 |
| Name | GOOGAIN INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jun 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.37% |
| Type Change Date | Jun 1, 2029 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 9.37% |
| Index | Other |
| Max Rate | 9.37% |
The 2025 property tax bill for 3816 Wilson Ave was $12,551 with a homeowner's exemption.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $883,000 (-11.43%) Land $267,000 Building $623,000 | ||
| 2025 | $12,551.00 Homeowner's exemption | $997,000 Land $299,100 Building $697,900 | |
| 2023 | $11,514.00 Homeowner's exemption | $910,000 Land $273,000 Building $637,000 | $967,230 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3816 Wilson Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.
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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 1 (1998) |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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.
Wildfire risk around 3816 Wilson Ave is low, with a 0.01% annual chance of wildfire.
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 |
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 | 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 938 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile, Unwired, Verizon.
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