Alameda County property record for 20050 Diamond Ct, Castro Valley, CA 94546 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1949 |
| Square Footage | 1,324 sqft Living Area |
| Lot Size | 6,414 sqft (0.147 acres) |
| Garage | Carport |
| Tax Bill | $753.00 (2025) |
Source: Alameda County records · APN 84C-1064-7
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 | 20050 DIAMOND CT, CASTRO VALLEY, CA 94546-4733 |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Jun 18, 2024 |
| Transfer Doc | 0000077195 |
| 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 | $97,722 (+2%) Land $39,262 Building $58,460 | ||
| 2025 | $753.00 (+10.9%) | $95,807 (+4.04%) Land $38,493 Building $57,314 | |
| 2023 | $679.00 | $92,087 Land $36,998 Building $55,089 | $1,004,940 |
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 | 84C-1064-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,324 sqft Living Area |
| 1st Floor | 1,324 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1949 |
| Construction Type | Wood Construction |
| Lot Area | 6,414 sqft (0.147 acres) |
| Garage Type | Carport Garage |
| Carport | Carport |
| Street Address | 20050 DIAMOND CT |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4733 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT: 00010 BLK: 0002 TR: 0799 |
| Legal Subdivision | 799 EDEN TOWNSHIP |
| Legal Tract | 0799 |
| Legal Block | 3 |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | HAYWARD |
| Census Blockgroup | 3 |
| Census Block | 3005 |
| Census Tract | 430800 |
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