Contra Costa County property record for 4411 Black Walnut Ct, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,167 sqft · built 1979 |
| Lot Size | 0.149 acres (6,510 sqft) |
| Owner | Trust Name on File |
| Last Sale | $735,000 (Aug 2005) |
| Tax Bill | $12,018 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 133-260-040 |
| Primary APN | 133-260-040 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,167 sqft Living Area |
| 1st Floor Area | 1,066 sqft |
| 2nd Floor Area | 1,101 sqft |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Cluster |
| Lot Area | 6,510 sqft (0.149 acres) |
| Garage Type | Attached |
| Garage Area | 644 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4411 BLACK WALNUT CT |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-4319 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PD |
| Legal Description | T04838 L1062 B |
| Legal Subdivision | THE CROSSINGS |
| Legal Tract | 04838 |
| Legal Lot Number | 1062 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 334006 |
4411 Black Walnut Ct is owner-occupied and held in a trust since March 2013.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 4411 BLACK WALNUT CT, CONCORD, CA 94521-4319 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 4, 2005 · Amount on File |
| Deed Sale | Aug 4, 2005 · Amount on File |
| Prior Sale | Jan 25, 2001 · Amount on File |
| Deed Document Number | 2005291466 |
| Last Transfer Date | Mar 1, 2013 |
| Transfer Doc | 0000062493 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4411 Black Walnut Ct was $12,018 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,024,514 (+2%) Land $480,894 Building $543,620 | |
| 2025 | $12,018.00 Homeowner's exemption | $1,004,426 Land $471,465 Building $532,961 |
| 2023 | $11,517.00 (+1.19%) Homeowner's exemption | $965,424 Land $453,158 Building $512,266 |
| 2022 | $11,381.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4411 Black Walnut Ct in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 4411 Black Walnut Ct is moderate, ranking above 43% of the US, with a 0.07% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 43% of the US · lower than 74% of California |
|---|---|
| Wildfire Likelihood | 0.07% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 669 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
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