Alameda County property record for 18477 Walnut Rd, Castro Valley, CA 94546 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1.5 Baths |
| Architecture Style | Custom Design |
| Year Built | Built 1960 |
| Square Footage | 2,478 sqft Living Area |
| Lot Size | 21,070 sqft (0.484 acres) |
| Occupancy | Owner Occupied |
| Tax Bill | $2,496.00 (2025) |
| Primary APN | 84D-1158-6-15 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 6 Rooms |
| Building Area | 2,478 sqft Living Area |
| Stories | 1 Stories |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Custom Design Style |
| Construction Type | Wood Construction |
| Lot Area | 21,070 sqft (0.484 acres) |
| Street Address | 18477 WALNUT RD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-2141 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT: 00015 BLK: 0006 AR: 084D PAGE: 1158 |
| Legal Subdivision | CASTRO VALLEY ORCHARDS |
| Legal Lot Number | 12&13 |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | HAYWARD |
| Census Blockgroup | 1 |
| Census Block | 1004 |
| Census Tract | 430300 |
Source: Alameda County records · APN 84D-1158-6-15
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 | 18477 WALNUT RD, CASTRO VALLEY, CA 94546-2141 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Date | Document |
|---|---|
| Nov 02, 2023 | Intrafamily Transfer, Transfer |
| Nov 02, 2023 | Intrafamily Transfer, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Oct 16, 2023 |
| Transfer Doc | 0000130076 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Nov 02, 2023 |
| Property Address | 18477 WALNUT RD, CASTRO VALLEY, CA 94546-2141 |
| Document Number | 0000130076 |
| Map Reference | MB 25 PG 72 |
| Instrument Date | Oct 16, 2023 |
| Instrument | 2023130076 |
| Transaction Type | Transfer |
| Record Updated | Dec 28, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 18477 WALNUT RD, CASTRO VALLEY, CA 94546-2141 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Nov 02, 2023 |
| Property Address | 18477 WALNUT RD, CASTRO VALLEY, CA 94546-2141 |
| Document Number | 0000130076 |
| Map Reference | MB 25 PG 72 |
| Instrument Date | Oct 16, 2023 |
| Instrument | 2023130076 |
| Transaction Type | Transfer |
| Record Updated | Dec 29, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 18477 WALNUT RD, CASTRO VALLEY, CA 94546-2141 |
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 | $140,797 (-2.83%) Land $63,020 Building $84,777 | ||
| 2025 | $2,496.00 (+5.54%) Homeowner's exemption | $144,900 (+4.04%) Land $61,785 Building $83,115 | |
| 2023 | $2,365.00 Homeowner's exemption | $139,274 Land $59,386 Building $79,888 | $897,300 |
18477 Walnut Rd is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect wildfire exposure (Low risk).
Source: FEMA National Flood Hazard Layer · Alameda County (06001C), updated May 25, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Low 32nd percentile of exposed land nationally · 19th in California |
|---|---|
| Wildfire Likelihood | Low — about 1 in 2,381 per year |
| Exposure | Indirect within ember reach of burnable land · adjoins burnable vegetation |
Values are read at the parcel center point; lenders make the official flood determination.
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