Alameda County property record for 4375 Gem Ave, Castro Valley, CA 94546 · Last verified October 2025
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1950 |
| Square Footage | 1,344 sqft Living Area |
| Lot Size | 5,008 sqft (0.114 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $163,000 (1996) |
| Tax Bill | $7,085.00 (2025) |
| Primary APN | 84C-1064-79 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,344 sqft Living Area |
| Stories | 1 Stories |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Other Style |
| Construction Type | Wood Construction |
| Lot Area | 5,008 sqft (0.114 acres) |
| Garage Type | Mixed Garage |
| Street Address | 4375 GEM AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4749 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TRACT 799 BLK 3 LOT 3 |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | HAYWARD |
| Census Blockgroup | 3 |
| Census Block | 3003 |
| Census Tract | 430800 |
Source: Alameda County records · APN 84C-1064-79
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 | 2 Owner Names on File |
|---|---|
| Mailing Address | 4375 GEM AVE, CASTRO VALLEY, CA 94546-4749 |
| Occupancy | Owner Occupied |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 06, 1996 · Amount on Record |
| Deed Sale | Dec 06, 1996 · Amount on Record |
| Prior Sale | Dec 06, 1996 · Amount on Record |
| Deed Doc Number | 0000310829 |
| Deed Book / Page | 084C |
| Last Transfer Date | Feb 03, 2012 |
| Transfer Doc | 0000042200 |
| Record Refreshed | Jun 08, 2026 |
Source: Alameda County records · Assessment roll updated July 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley 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 | $7,085.00 (+4.16%) Homeowner's exemption | $533,795 (+4.04%) Land $160,138 Building $373,657 |
| 2023 | $6,802.00 Homeowner's exemption | $513,071 Land $153,921 Building $359,150 |
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