Alameda County property record for 4340 Gem Ave, Castro Valley, CA 94546 · Last verified October 2025
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1949 |
| Square Footage | 1,012 sqft Living Area |
| Lot Size | 5,000 sqft (0.114 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $988,000 (2021) |
| Tax Bill | $13,158.00 (2025) |
| Primary APN | 84C-1063-11 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,012 sqft Living Area |
| Stories | 1 Stories |
| Year Built | Built 1949 |
|---|---|
| Architectural Style | Other Style |
| Construction Type | Wood Construction |
| Lot Area | 5,000 sqft (0.114 acres) |
| Street Address | 4340 GEM AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4739 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TR 799 |
| Legal Subdivision | 799 |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | HAYWARD |
| Census Blockgroup | 3 |
| Census Block | 3003 |
| Census Tract | 430800 |
Source: Alameda County records · APN 84C-1063-11
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 | 4340 GEM AVE, CASTRO VALLEY, CA 94546-4739 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 09, 2021 · Amount on Record |
| Deed Sale | Aug 09, 2021 · Amount on Record |
| Prior Sale | Jan 04, 2016 |
| Deed Doc Number | 2021271736 |
| Record Refreshed | Jun 07, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Aug 09, 2021 |
| Property Address | 4340 GEM AVE, CASTRO VALLEY, CA 94546-4739 |
| Document Number | 0000271736 |
| Map Reference | MB 27 PG 88 |
| Instrument Date | Jul 27, 2021 |
| Instrument | 2021271736 |
| Transaction Type | Transfer |
| Record Updated | Aug 31, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,086.80 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property (Marital Community) with Rights of Survivorship |
| Address | 4340 GEM AVE, CASTRO VALLEY, CA 94546-4739 |
| Document Number | 0000271737 |
|---|---|
| Date | Aug 09, 2021 |
| Instrument | 2021271737 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2051 |
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 | $13,158.00 (+3.81%) Homeowner's exemption | $1,048,464 (+4.04%) Land $314,539 Building $733,925 |
| 2023 | $12,675.00 Homeowner's exemption | $1,007,760 Land $302,328 Building $705,432 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures