Alameda County property record for 4347 Gem Ave, Castro Valley, CA 94546 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1949 |
| Square Footage | 827 sqft Living Area |
| Lot Size | 5,175 sqft (0.119 acres) |
| Tax Bill | $1,695.00 (2025) |
| Primary APN | 84C-1064-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 4 Rooms |
| Building Area | 827 sqft Living Area |
| Stories | 1 Stories |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Construction Type | Wood Construction |
| Lot Area | 5,175 sqft (0.119 acres) |
| Street Address | 4347 GEM AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4748 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT: 00012 BLK: 0002 TR: 0799 |
| Legal Tract | 0799 |
| Legal Block | 2 |
| Legal Lot Number | 12 |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | HAYWARD |
| Census Blockgroup | 3 |
| Census Block | 3005 |
| Census Tract | 430800 |
Source: Alameda County records · APN 84C-1064-9
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 | Company Name on File |
|---|---|
| Mailing Address | 17509 WICKMAN PL, ASHLAND, CA 94580-1744 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Jun 16, 1994 |
| Transfer Doc | 0000282377 |
| Record Refreshed | Sep 20, 2026 |
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 | $57,767 (+2%) Land $33,510 Building $24,257 | ||
| 2025 | $1,695.00 (+17.63%) | $56,635 (+4.04%) Land $32,853 Building $23,782 | |
| 2023 | $1,441.00 | $54,436 Land $31,578 Building $22,858 | $682,200 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures