Alameda County property record for 4382 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 | 1,091 sqft Living Area |
| Lot Size | 5,200 sqft (0.119 acres) |
| Garage | Detached |
| Occupancy | Owner Occupied |
| Tax Bill | $4,585.00 (2025) |
| Primary APN | 84C-1063-17 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,091 sqft Living Area |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Exterior Material | Stucco Exterior |
| Construction Type | Wood Construction |
| Roof Material | Roll Tar & Gravel Roof |
| Lot Area | 5,200 sqft (0.119 acres) |
| Garage Type | Detached Garage |
| Heating System | Floor/Wall Furnace Heating |
|---|---|
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Street Address | 4382 GEM AVE |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4750 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT: 00002 BLK: 0004 TR: 0799 |
| Legal Tract | 0799 |
| Legal Lot Number | 2 |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | HAYWARD |
| Census Blockgroup | 3 |
| Census Block | 3003 |
| Census Tract | 430800 |
Source: Alameda County records · APN 84C-1063-17
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 | 4382 GEM AVE, CASTRO VALLEY, CA 94546-4750 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Date | Document |
|---|---|
| Jan 29, 2021 | Deed of Trust, Mortgage · Conventional Mortgage SYNERGY ONE LENDING |
| Jan 04, 2021 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Jul 18, 2017 | Deed of Trust, Mortgage · Conventional Mortgage NUDGE FNDG |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Nov 20, 2020 |
| Transfer Doc | 0000000338 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4382 GEM AVE, CASTRO VALLEY, CA 94546-4750 |
| Transaction Type | Mortgage |
| Record Updated | Jan 17, 2022 |
| Title Company | TIMIOS INC |
| Name | Verified Name |
|---|---|
| Address | 4382 GEM AVE, CASTRO VALLEY, CA 94546-4750 |
| Document Number | 0000038415 |
|---|---|
| Date | Jan 29, 2021 |
| Instrument | 2021038415 |
| Name | SYNERGY ONE LENDING |
|---|---|
| Type | Mortgage Company |
| Address | SAN DIEGO, CA 92108 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 183 Months |
| Due | Apr 01, 2036 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jan 04, 2021 |
| Property Address | 4382 GEM AVE, CASTRO VALLEY, CA 94546-4750 |
| Document Number | 0000000338 |
| Instrument Date | Nov 20, 2020 |
| Instrument | 338 |
| Transaction Type | Transfer |
| Record Updated | Mar 17, 2021 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 4382 GEM AVE CASTRO VALLEY CA 945464750, CASTRO VALLEY, CA 94546-4750 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4382 GEM AVE, CASTRO VALLEY, CA 94546-4750 |
| Document Number | 0000164495 |
| Instrument Date | Jul 18, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 21, 2017 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE LP |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenant/Joint Tenant w/ Right Of Survivorship |
| Address | 4382 GEM AVE CASTRO VALLEY CA 945464750, CASTRO VALLEY, CA 94546-4750 |
| Document Number | 0000164495 |
|---|---|
| Date | Jul 27, 2017 |
| Instrument | 164495 |
| Name | NUDGE FNDG |
|---|---|
| Address | LINDON, UT 84042 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Jul 26, 2032 |
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 | $321,389 (-0.17%) Land $206,416 Building $121,973 | ||
| 2025 | $4,585.00 (+4.56%) Homeowner's exemption | $321,950 (+4.04%) Land $202,369 Building $119,581 | |
| 2023 | $4,385.00 Homeowner's exemption | $309,449 Land $194,511 Building $114,938 | $1,111,500 |
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