Contra Costa County property record for 524 Black Walnut Pl, Hercules, CA 94547 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 2003 |
| Square Footage | 2,411 sqft Living Area |
| Lot Size | 5,452 sqft (0.125 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $496,000 (2003) |
| Tax Bill | $10,949.00 (2025) |
| Primary APN | 406-540-014-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Building Area | 2,411 sqft Living Area |
| 1st Floor | 1,432 sqft 1st Floor |
| 2nd Floor | 979 sqft 2nd Floor |
| Stories | 2 Stories |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Cluster Style |
| Lot Area | 5,452 sqft (0.125 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 436 sqft Garage |
| Street Address | 524 BLACK WALNUT PL |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-2300 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T8422 L14 |
| Legal Tract | 8422 |
| Legal Lot Number | 14 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | WEST CONTRA COSTA |
| Census Blockgroup | 1 |
| Census Block | 1001 |
| Census Tract | 359203 |
Source: Contra Costa County records · APN 406-540-014-7
Assessment roll updated July 14, 2026 · 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 Individual Names on File |
|---|---|
| Mailing Address | 524 BLACK WALNUT PL, HERCULES, CA 94547-2300 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 02, 2003 · Amount on Record |
| Deed Sale | Jan 02, 2003 · Amount on Record |
| Deed Doc Number | 2003753 |
| Record Refreshed | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Hercules City |
| Unified School District | West Contra Costa 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 |
|---|---|---|
| 2026 | $732,275 (+2%) Land $274,323 Building $457,952 | |
| 2025 | $10,949.00 (+5.65%) Homeowner's exemption | $717,918 (+4.04%) Land $268,945 Building $448,973 |
| 2023 | $10,363.00 (+1.12%) Homeowner's exemption | $690,042 Land $258,502 Building $431,540 |
| 2022 | $10,248.00 |
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