Contra Costa County property record for 4419 Black Walnut Ct, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,765 sqft · built 1979 |
| Lot Size | 0.184 acres (8,000 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $539,000 (Sep 2004) |
| Tax Bill | $9,303 (2025) |
| Deeds & Mortgages | Jun 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 133-260-036-8 |
| Primary APN | 133-260-036-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,765 sqft Living Area |
| 1st Floor Area | 1,765 sqft |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Cluster |
| Lot Area | 8,000 sqft (0.184 acres) |
| Garage Type | Attached |
| Garage Area | 427 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 4419 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 L1058 B |
| Legal Subdivision | THE CROSSINGS |
| Legal Tract | 04838 |
| Legal Lot Number | 1058 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 334006 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 4419 BLACK WALNUT CT, CONCORD, CA 94521-4319 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 14, 2004 · Amount on Record |
| Deed Sale | Sep 14, 2004 · Amount on Record |
| Deed Document Number | 2004354711 |
| Last Transfer Date | May 22, 2018 |
| Transfer Doc | 0000090826 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 7, 2018 |
| Property Address | 4419 BLACK WALNUT CT, CONCORD, CA 94521-4319 |
| Document Number | 0000090826 |
| Instrument Date | May 22, 2018 |
| Instrument | 90826 |
| Transaction Type | Transfer |
| Record Updated | Jun 14, 2018 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 4419 BLACK WALNUT CT CONCORD CA 945214319, CONCORD, CA 94521-4319 |
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 | $766,327 (+2%) Land $383,875 Building $382,452 | |
| 2025 | $9,303.00 (+4.47%) | $751,302 (+4.04%) Land $376,349 Building $374,953 |
| 2023 | $8,905.00 (+1.27%) | $722,130 Land $361,736 Building $360,394 |
| 2022 | $8,793.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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.
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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