Alameda County property record for 20300 Marshall St, Castro Valley, CA 94546 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2.5 Baths |
| Architecture Style | Custom Design |
| Year Built | Built 1961 |
| Square Footage | 1,495 sqft Living Area |
| Lot Size | 4,960 sqft (0.114 acres) |
| Occupancy | Owner Occupied |
| Tax Bill | $1,954.00 (2025) |
| Primary APN | 84C-669-149-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,495 sqft Living Area |
| Stories | 2 Stories |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1961 |
| Architectural Style | Custom Design Style |
| Construction Type | Wood Construction |
| Lot Area | 4,960 sqft (0.114 acres) |
| Street Address | 20300 MARSHALL ST |
|---|---|
| City | CASTRO VALLEY |
| State | CA |
| Zip | 94546-4661 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT: 00021 BLK: 0001 TR: 0773 |
| Legal Tract | 0773 |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | HAYWARD |
| Census Blockgroup | 3 |
| Census Block | 3010 |
| Census Tract | 430800 |
Source: Alameda County records · APN 84C-669-149-1
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 | 20300 MARSHALL ST, CASTRO VALLEY, CA 94546-4661 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| 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 | $93,952 (-5.07%) Land $36,774 Building $64,178 | ||
| 2025 | $1,954.00 (+6.14%) Homeowner's exemption | $98,973 (+4.04%) Land $36,053 Building $62,920 | |
| 2023 | $1,841.00 Homeowner's exemption | $95,130 Land $34,653 Building $60,477 | $1,013,580 |
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