Alameda County property record for 20433 John Dr, Castro Valley, CA 94546
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 20 bd · 20 ba · 28,550 sqft · built 1970 |
| Lot Size | 0.359 acres (15,651 sqft) |
| Owner | Trust Name on File |
| Last Sale | $9,500,000 (Dec 2016) |
| Tax Bill | $15,276 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 84A-260-7-3 |
| Primary APN | 84A-260-7-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 20 Beds |
|---|---|
| Full Baths | 20 Baths |
| Total Rooms | 80 Rooms |
| Units | 30 Units |
| Stories | 2 Stories |
| Building Area | 28,550 sqft Living Area |
| Exercise Room | Exercise Room |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1970 |
| Construction Type | Wood |
| Lot Area | 15,651 sqft (0.359 acres) |
| View / Lot | Average |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 50 Parking Spaces |
| Street Address | 20433 JOHN DR |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-3947 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOT: 00003 BLK: 0007 AR: 084A PAGE: 0260 ;LOT: 00004 BLK: 0006 AR: 084A PAGE: 0260 |
| Legal Subdivision | STANTON 01A |
| Legal Lot Number | 9 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3014 |
| Census Tract | 430500 |
20433 John Dr, a residential property, is held in a trust since December 2016.
Source: Alameda County records, as of September 1, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 2333 SEVILLANO CIR, LIVERMORE, CA 94550-6882 |
| 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 | Dec 6, 2016 · Amount on File |
| Deed Sale | Dec 6, 2016 · Amount on File |
| Prior Sale | Nov 24, 2015 · Amount on File |
| Deed Document Number | 2016316805 |
| Prior Transfer Date | Mar 22, 2001 |
| Prior Transfer Doc | 0000170205 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 20433 John Dr was $15,276.
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 |
|---|---|---|
| 2026 | $1,124,581 (+2%) Land $337,374 Building $787,207 | |
| 2025 | $15,276.00 | $1,102,531 Land $330,759 Building $771,772 |
| 2023 | $14,711.00 | $1,059,724 Land $317,917 Building $741,807 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 20433 John 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.
The area around 20433 John Dr has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 262 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, GeoLinks, Sonic Telecom, T-Mobile, Unwired.
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