Alameda County property record for 4425 Gem Ave, Castro Valley, CA 94546 · Last verified October 2025
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 2 Baths |
| Architecture Style | Other |
| Year Built | Built 1950 |
| Square Footage | 1,389 sqft Living Area |
| Lot Size | 5,000 sqft (0.114 acres) |
| Last Sale | $662,000 (2015) |
| Tax Bill | $10,257.00 (2025) |
| Primary APN | 84C-1064-62 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,389 sqft Living Area |
| Stories | 1 Stories |
| Year Built | Built 1950 |
|---|---|
| Architectural Style | Other Style |
| Construction Type | Wood Construction |
| Lot Area | 5,000 sqft (0.114 acres) |
| Street Address | 4425 GEM AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4740 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TRACT 979 BLK 2 LOT 19 |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | HAYWARD |
| Census Blockgroup | 3 |
| Census Block | 3003 |
| Census Tract | 430800 |
Source: Alameda County records · APN 84C-1064-62
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 | 516 PARK BLVD, MILLBRAE, CA 94030-1233 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 08, 2015 · Amount on Record |
| Deed Sale | Apr 08, 2015 · Amount on Record |
| Prior Sale | Nov 21, 2007 · Amount on Record |
| Deed Doc Number | 2015091888 |
| Record Refreshed | Jun 07, 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 | $10,257.00 (+3.89%) | $795,597 (+4.04%) Land $238,679 Building $556,918 |
| 2023 | $9,873.00 | $764,708 Land $229,412 Building $535,296 |
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