Alameda County property record for 5816 Shadow Rdg Dr, Castro Valley, CA 94552
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,449 sqft · built 1973 |
| Lot Size | 0.27 acres (11,753 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $2,863 (2025) |
| Deeds & Mortgages | Jul 2026 Transfer Jun 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 85-1606-5 |
| Primary APN | 85-1606-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,449 sqft Living Area |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 11,753 sqft (0.27 acres) |
| Street Address | 5816 SHADOW RIDGE DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94552-1800 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00047 BLK: 000D TR: 2478 |
| Legal Subdivision | TR 2478 |
| Legal Tract | 2478 |
| Legal Block | D |
| Legal Lot Number | 47 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 430102 |
5816 Shadow Rdg Dr is owner-occupied and held in a trust since July 2026.
Source: Alameda County records, as of September 22, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 5816 SHADOW RIDGE DR, CASTRO VALLEY, CA 94552-1800 |
| 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.
| Date | Document |
|---|---|
| Jul 9, 2026 | Affidavit of Death of Trustee, Transfer |
| Jun 5, 2026 | Grant Deed, Transfer NONE LISTED ON DOCUMENT |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jul 2, 2026 |
| Transfer Doc | 0000089375 |
| Record Updated | Oct 29, 2026 |
| Document Type | Affidavit of Death of Trustee |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jul 9, 2026 |
| Property Address | 5816 SHADOW RIDGE DR, CASTRO VALLEY, CA 94552-1800 |
| Document Number | 0000089375 |
| Instrument Date | Jul 2, 2026 |
| Instrument | 202689375 |
| Transaction Type | Transfer |
| Record Updated | Aug 31, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Trust |
| Address | 5816 SHADOW RIDGE DR, CASTRO VALLEY, CA 94552-1800 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jun 5, 2026 |
| Property Address | 5816 SHADOW RIDGE DR, CASTRO VALLEY, CA 94552-1800 |
| Document Number | 0000074486 |
| Instrument Date | May 29, 2026 |
| Instrument | 202674486 |
| Transaction Type | Transfer |
| Record Updated | Aug 29, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Trust |
| Address | 5816 SHADOW RIDGE DR, CASTRO VALLEY, CA 94552-1800 |
The 2025 property tax bill for 5816 Shadow Rdg Dr was $2,863.
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 | $172,540 (+2.08%) Land $49,763 Building $129,777 | ||
| 2025 | $2,863.00 Homeowner's exemption | $169,020 Land $48,788 Building $127,232 | |
| 2023 | $2,720.00 Homeowner's exemption | $169,185 Land $46,893 Building $122,292 | $1,852,830 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 5816 Shadow Rdg Dr in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 5816 Shadow Rdg Dr is high, ranking above 80% of the US, with a 0.4% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 80% of the US · above 57% of California |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Direct burnable vegetation |
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 207 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks.
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