Alameda County property record for 4400 Gem Ave, Castro Valley, CA 94546 · Last verified October 2025
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1949 |
| Square Footage | 827 sqft Living Area |
| Lot Size | 5,200 sqft (0.119 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $610,000 (2017) |
| Tax Bill | $9,059.00 (2025) |
| Primary APN | 84C-1063-20 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 827 sqft Living Area |
| Stories | 1 Stories |
| Year Built | Built 1949 |
|---|---|
| Architectural Style | Other Style |
| Construction Type | Wood Construction |
| Lot Area | 5,200 sqft (0.119 acres) |
| Street Address | 4400 GEM AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4741 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TRACT 799 BLK 4 LOT 5 |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | HAYWARD |
| Census Blockgroup | 3 |
| Census Block | 3003 |
| Census Tract | 430800 |
Source: Alameda County records · APN 84C-1063-20
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 |
|---|---|
| Co-owner | Verified Secondary Owner |
| Mailing Address | 4400 GEM AVE, CASTRO VALLEY, CA 94546-4741 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Apr 17, 2024 | Intrafamily Transfer, Transfer |
| May 11, 2020 | Quit Claim Deed, Transfer PLACER TITLE COMPANY, PLACER TITLE CO. |
| May 11, 2020 | Grant Deed, Transfer PLACER TITLE COMPANY |
| Jul 26, 2018 | Quit Claim Deed, Transfer OTHER |
| Oct 18, 2017 | Grant Deed, Transfer · Conventional Mortgage BANK OF AMERICA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 18, 2017 · Amount on Record |
| Deed Sale | Oct 18, 2017 · Amount on Record |
| Prior Sale | May 11, 2020 |
| Deed Doc Number | 0000230390 |
| Last Transfer Date | Apr 17, 2024 |
| Transfer Doc | 0000049834 |
| Record Refreshed | Jun 07, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Apr 17, 2024 |
| Property Address | 4400 GEM AVE, CASTRO VALLEY, CA 94546-4741 |
| Document Number | 0000049834 |
| Map Reference | MB 27 PG 88 |
| Instrument Date | Apr 17, 2024 |
| Instrument | 2024049834 |
| Transaction Type | Transfer |
| Record Updated | May 21, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4400 GEM AVE, CASTRO VALLEY, CA 94546-4741 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 11, 2020 |
| Property Address | 4400 GEM AVE, CASTRO VALLEY, CA 94546-4741 |
| Document Number | 0000108235 |
| Instrument Date | May 01, 2020 |
| Instrument | 108235 |
| Transaction Type | Transfer |
| Record Updated | Jun 23, 2020 |
| Title Company | PLACER TITLE COMPANY, PLACER TITLE CO. |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 502 HELEN DR MILLBRAE CA 940301620, MILLBRAE, CA 94030-1620 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 11, 2020 |
| Property Address | 4400 GEM AVE, CASTRO VALLEY, CA 94546-4741 |
| Document Number | 0000108234 |
| Map Reference | MB 27 PG 88 |
| Instrument Date | May 01, 2020 |
| Instrument | 2020108234 |
| Transaction Type | Transfer |
| Record Updated | Jul 19, 2022 |
| Title Company | PLACER TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants In Common |
| Address | 4400 GEM AVE, CASTRO VALLEY, CA 94546-4741 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jul 26, 2018 |
| Property Address | 4400 GEM AVE, CASTRO VALLEY, CA 94546-4741 |
| Document Number | 0000147100 |
| Instrument Date | Jul 11, 2018 |
| Instrument | 147100 |
| Transaction Type | Transfer |
| Record Updated | Aug 13, 2018 |
| Title Company | OTHER |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4400 GERN AVE CASTRO VALLEY CA 94546, CASTRO VALLEY, CA 94546 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Oct 18, 2017 |
| Property Address | 4400 GEM AVE, CASTRO VALLEY, CA 94546-4741 |
| Document Number | 0000230390 |
| Instrument Date | Oct 13, 2017 |
| Instrument | 230390 |
| Transaction Type | Transfer |
| Record Updated | Aug 27, 2018 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $671.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4400 GEM AVE CASTRO VALLEY CA 945464741, CASTRO VALLEY, CA 94546-4741 |
| Document Number | 230391 |
|---|---|
| Date | Oct 18, 2017 |
| Instrument | 230391 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | CHARLOTTE, NC 28255 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 17, 2047 |
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 | $9,059.00 (+3.96%) | $694,063 (+4.04%) Land $208,219 Building $485,844 |
| 2023 | $8,714.00 | $667,114 Land $200,134 Building $466,980 |
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