Alameda County property record for 18951 Walnut Rd, Castro Valley, CA 94546 · Last verified October 2025
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,704 sqft · built 1955 |
| Lot Size | 0.215 acres (9,396 sqft) |
| Owner | Individual Name on File |
| Last Sale | $560,000 (Mar 2014) |
| Tax Bill | $8,887 (2025) |
| Deeds & Mortgages | Mar 2022 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 84D-1107-41 |
| Primary APN | 84D-1107-41 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,704 sqft Living Area |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 9,396 sqft (0.215 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 18951 WALNUT RD |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-2005 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 430400 |
Source: Alameda County records · APN 84D-1107-41
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 | 18951 WALNUT RD, CASTRO VALLEY, CA 94546-2005 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 31, 2014 · Amount on Record |
| Deed Sale | Mar 31, 2014 · Amount on Record |
| Prior Sale | Jan 24, 2006 · Amount on Record |
| Deed Document Number | 2014079744 |
| Record Updated | Jun 07, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 18951 WALNUT RD, CASTRO VALLEY, CA 94546-2005 |
| Transaction Type | Mortgage |
| Record Updated | Apr 12, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 18951 WALNUT RD, CASTRO VALLEY, CA 94546-2005 |
| Document Number | 0000060386 |
|---|---|
| Date | Mar 23, 2022 |
| Instrument | 2022060386 |
| Name | STAR ONE CU |
|---|---|
| Type | Credit Union |
| Address | SUNNYVALE, CA 94088 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 302 Months |
| Due | May 22, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $8,887.00 (+4.01%) Homeowner's exemption | $686,453 (+4.04%) Land $205,936 Building $480,517 |
| 2023 | $8,544.00 Homeowner's exemption | $659,802 Land $197,940 Building $461,862 |
Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060014304002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 2 (1982–2022) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Dec 2022, rainfall accumulation, Severe Winter Storms, Flooding, Landslides, And Mudslides |
| 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; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 606 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Sonic Telecom | Fiber | 10,000 / 10,000 |
| Xfinity | Cable | 2,000 / 250 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Etheric Communications, LLC., AT&T, Verizon, Unwired, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.
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