Alameda County property record for 4418 Gem Ave, Castro Valley, CA 94546 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1950 |
| Square Footage | 1,071 sqft Living Area |
| Lot Size | 5,757 sqft (0.132 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $480,000 (2016) |
| Tax Bill | $8,232.00 (2025) |
| Primary APN | 84C-1063-23 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,071 sqft Living Area |
| Stories | 1 Stories |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Construction Type | Wood Construction |
| Lot Area | 5,757 sqft (0.132 acres) |
| Street Address | 4418 GEM AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4741 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT: 00001 BLK: 0002 TR: 0979 |
| Legal Tract | 0979 |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | HAYWARD |
| Census Blockgroup | 3 |
| Census Block | 3003 |
| Census Tract | 430800 |
Source: Alameda County records · APN 84C-1063-23
Assessment roll updated August 5, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4418 GEM AVE, CASTRO VALLEY, CA 94546-4741 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Tenants In Common |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 21, 2016 · Amount on Record |
| Deed Sale | Nov 21, 2016 · Amount on Record |
| Deed Doc Number | 2016303097 |
| Prior Transfer Date | May 15, 2013 |
| Prior Transfer Doc | 0000183710 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4418 GEM AVE, CASTRO VALLEY, CA 94546-4741 |
| Document Number | 0000087885 |
| Instrument Date | Apr 10, 2017 |
| Transaction Type | Mortgage |
| Record Updated | May 02, 2017 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE/LOS ANGEL |
| Name | Verified Name |
|---|---|
| Relationship | Tenants In Common |
| Address | 1 LONG YUET ST 7/F FLAT 5 BLOCK B WEI CHIEN CT |
| Document Number | 0000087885 |
|---|---|
| Date | Apr 19, 2017 |
| Instrument | 87885 |
| Name | EAST WEST BK |
|---|---|
| Type | Bank |
| Address | EL MONTE, CA 91731 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 18, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.12% |
Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | Castro Valley Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $636,477 (+2%) Land $170,462 Building $466,015 | ||
| 2025 | $8,232.00 (+4.01%) | $623,998 (+4.04%) Land $167,120 Building $456,878 | |
| 2023 | $7,915.00 | $599,771 Land $160,632 Building $439,139 | $637,020 |
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