Alameda County property record for 18489 Walnut Rd, Castro Valley, CA 94546 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1981 |
| Square Footage | 2,832 sqft Living Area |
| Lot Size | 9,777 sqft (0.224 acres) |
| Occupancy | Owner Occupied |
| Tax Bill | $13,736.00 (2025) |
| Primary APN | 84D-1158-27 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 2,832 sqft Living Area |
| Stories | 1 Stories |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1981 |
| Construction Type | Wood Construction |
| Lot Area | 9,777 sqft (0.224 acres) |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 18489 WALNUT RD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-2141 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT: 0000A BLK: PM: 0116 PAGE: 0026 |
| Legal Subdivision | PARCEL MAP 2970 |
| Legal Lot Number | A |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | HAYWARD |
| Census Blockgroup | 1 |
| Census Block | 1004 |
| Census Tract | 430300 |
Source: Alameda County records · APN 84D-1158-27
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 | 18489 WALNUT RD, CASTRO VALLEY, CA 94546-2141 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Oct 02, 2014 |
| Transfer Doc | 0000243796 |
| 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 | $1,112,373 (+1.36%) Land $388,662 Building $730,711 | ||
| 2025 | $13,736.00 (+3.79%) Homeowner's exemption | $1,097,428 (+4.04%) Land $381,042 Building $716,386 | |
| 2023 | $13,234.00 Homeowner's exemption | $1,054,820 Land $366,248 Building $688,572 | $1,484,280 |
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