Alameda County property record for 4346 Gem Ave, Castro Valley, CA 94546 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1949 |
| Square Footage | 1,871 sqft Living Area |
| Lot Size | 5,000 sqft (0.115 acres) |
| Garage | Attached |
| Occupancy | Owner Occupied |
| Tax Bill | $4,958.00 (2025) |
| Primary APN | 84C-1063-12 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Building Area | 1,871 sqft Living Area |
| Stories | 1 Stories |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Construction Type | Wood Construction |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Type | Attached Garage |
| Street Address | 4346 GEM AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4739 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT: 00007 BLK: 0001 TR: 0799 |
| Legal Subdivision | TRACT 799 FILED SEPTEMBER 23 1948 |
| Legal Tract | 0799 |
| Legal Block | 1 |
| Legal Lot Number | 7 |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | HAYWARD |
| Census Blockgroup | 3 |
| Census Block | 3003 |
| Census Tract | 430800 |
Source: Alameda County records · APN 84C-1063-12
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 | 4346 GEM AVE, CASTRO VALLEY, CA 94546-4739 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Date | Document |
|---|---|
| Jul 13, 2023 | Intrafamily Transfer, Transfer |
| Jul 20, 2020 | Deed of Trust, Mortgage PACIFIC SERVICE CU |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Jun 30, 2023 |
| Transfer Doc | 0000079818 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jul 13, 2023 |
| Property Address | 4346 GEM AVE, CASTRO VALLEY, CA 94546-4739 |
| Document Number | 0000079818 |
| Map Reference | MB 27 PG 88 |
| Instrument Date | Jun 30, 2023 |
| Instrument | 2023079818 |
| Transaction Type | Transfer |
| Record Updated | Aug 14, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 4346 GEM AVE, CASTRO VALLEY, CA 94546-4739 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4346 GEM AVE, CASTRO VALLEY, CA 94546-4739 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | CHICAGO TITLE INLAND EMPIRE |
| Name | Verified Name |
|---|---|
| Address | 4346 GEM AVE, CASTRO VALLEY, CA 94546-4739 |
| Document Number | 0000170660 |
|---|---|
| Date | Jul 20, 2020 |
| Instrument | 2020170660 |
| Name | PACIFIC SERVICE CU |
|---|---|
| Type | Credit Union |
| Address | WALNUT CREEK, CA 94596 |
| Amount | Amount Recorded |
|---|
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 | $353,586 (+0.02%) Land $108,176 Building $252,410 | ||
| 2025 | $4,958.00 (+4.49%) Homeowner's exemption | $353,516 (+4.04%) Land $106,055 Building $247,461 | |
| 2023 | $4,745.00 (+2.22%) Homeowner's exemption | $339,790 (+2%) Land $101,937 Building $237,853 | $1,004,130 |
| 2022 | $4,642.00 Homeowner's exemption | $333,128 Land $99,938 Building $233,190 |
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