Contra Costa County property record for 1585 Walnut Ave, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,061 sqft · built 1939 |
| Lot Size | 0.855 acres (37,260 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $862 (2025) |
| Deeds & Mortgages | Oct 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 051-073-012 |
| Primary APN | 051-073-012 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,061 sqft Living Area |
| Gross Area | 788 sqft |
| 1st Floor Area | 788 sqft |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1939 |
| Lot Area | 37,260 sqft (0.855 acres) |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 1585 WALNUT AVE |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-7224 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10 |
| Legal Description | VIERA SUBN LOT 36 |
| Legal Subdivision | VIERA SUB |
| Legal Lot Number | 36 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 306002 |
1585 Walnut Ave is held in a trust since September 2017.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 608 HAILEY CT, SIMI VALLEY, CA 93065-5013 |
| 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 | 2 Names on Deed |
|---|---|
| Last Transfer Date | Sep 25, 2017 |
| Transfer Doc | 0000180237 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 2, 2017 |
| Property Address | 1585 WALNUT AVE, ANTIOCH, CA 94509-7224 |
| Document Number | 0000180237 |
| Instrument Date | Sep 25, 2017 |
| Instrument | 180237 |
| Transaction Type | Transfer |
| Record Updated | Oct 6, 2017 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | PO BOX 1273 ANTIOCH CA 945090127, ANTIOCH, CA 94509-0127 |
The 2025 property tax bill for 1585 Walnut Ave was $862.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $70,043 (+2%) Land $28,822 Building $41,221 | |
| 2025 | $862.00 | $68,670 Land $28,257 Building $40,413 |
| 2023 | $830.00 (+1.47%) | $66,005 Land $27,160 Building $38,845 |
| 2022 | $818.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1585 Walnut Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 6 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 1585 Walnut Ave is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 93% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
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 341 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: T-Mobile, Verizon.
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