Alameda County property record for 18889 Walnut Rd, Castro Valley, CA 94546 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 1960 |
| Square Footage | 1,492 sqft Living Area |
| Lot Size | 7,800 sqft (0.179 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $1,020,000 (2022) |
| Tax Bill | $12,752.00 (2025) |
Source: Alameda County records · APN 84D-1107-46
Assessment roll updated June 20, 2025 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 18889 WALNUT RD, CASTRO VALLEY, CA 94546-2005 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Date | Document |
|---|---|
| May 26, 2026 | Grant Deed, Transfer NONE LISTED ON DOCUMENT |
| Sep 06, 2022 | Grant Deed, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 06, 2022 · Amount on Record |
| Deed Sale | Sep 06, 2022 · Amount on Record |
| Deed Doc Number | 2022153569 |
| Prior Transfer Date | Oct 19, 2005 |
| Prior Transfer Doc | 0000455291 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 26, 2026 |
| Property Address | 18889 WALNUT RD, CASTRO VALLEY, CA 94546-2005 |
| Document Number | 0000068673 |
| Instrument Date | May 26, 2026 |
| Instrument | 202668673 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Trust |
| Address | 18889 WALNUT RD, CASTRO VALLEY, CA 94546-2005 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 06, 2022 |
| Property Address | 18889 WALNUT RD, CASTRO VALLEY, CA 94546-2005 |
| Document Number | 0000153569 |
| Map Reference | MB 25 PG 72 |
| Instrument Date | Aug 19, 2022 |
| Instrument | 2022153569 |
| Transaction Type | Transfer |
| Record Updated | Sep 29, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,122.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property (Marital Community) with Rights of Survivorship |
| Address | 18889 WALNUT RD, CASTRO VALLEY, CA 94546-2005 |
| Document Number | 0000153570 |
|---|---|
| Date | Sep 06, 2022 |
| Instrument | 2022153570 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2052 |
Source: Alameda County records · Assessment roll updated June 20, 2025 · Last verified July 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 |
|---|---|---|---|
| 2025 | $12,752.00 (+6.89%) | $1,007,000 (+7.36%) Land $302,100 Building $704,900 | |
| 2023 | $11,930.00 | $938,000 Land $281,400 Building $656,600 | $901,890 |
Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 84D-1107-46 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 8 Rooms |
| Building Area | 1,492 sqft Living Area |
| Stories | 2 Stories |
| Year Built | Built 1953 |
|---|---|
| Effective Year Built | Effective 1960 |
| Construction Type | Wood Construction |
| Lot Area | 7,800 sqft (0.179 acres) |
| Street Address | 18889 WALNUT RD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-2005 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT: 00046 BLK: AR: 084D PAGE: 1107 |
| Legal Subdivision | CASTRO VLY ORCHARDS |
| Legal Lot Number | 1 |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | HAYWARD |
| Census Blockgroup | 2 |
| Census Block | 2004 |
| Census Tract | 430400 |
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