Contra Costa County property record for 1021 D St, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,335 sqft · built 1949 |
| Lot Size | 0.172 acres (7,500 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $2,779 (2025) |
| Deeds & Mortgages | Apr 2021 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 067-091-030-6 |
| Primary APN | 067-091-030-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,335 sqft Living Area |
| 1st Floor Area | 1,155 sqft |
| Basement Area | 180 sqft |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Lot Area | 7,500 sqft (0.172 acres) |
| Garage Type | Attached |
| Garage Area | 345 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 1021 D ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2301 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | AM POR LOTS 14 & 15 WILLS PART LOT 29 |
| Legal Subdivision | WILLS ADD |
| Legal Lot Number | 29 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 306003 |
1021 D St is held in a trust since April 2021.
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 309 W 4TH ST, ANTIOCH, CA 94509-1242 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Apr 8, 2021 |
| Transfer Doc | 0000118168 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 20, 2021 |
| Property Address | 1021 D ST, ANTIOCH, CA 94509-2301 |
| Document Number | 0000118168 |
| Map Reference | MB B PG 29B |
| Instrument Date | Apr 8, 2021 |
| Instrument | 2021-118168 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 309 W 4TH ST, ANTIOCH, CA 94509-1242 |
The 2025 property tax bill for 1021 D St was $2,779.
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 | $200,942 (+2%) Land $86,114 Building $114,828 | |
| 2025 | $2,779.00 | $197,003 Land $84,426 Building $112,577 |
| 2023 | $2,622.00 (+1.39%) | $189,355 Land $81,149 Building $108,206 |
| 2022 | $2,586.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1021 D St 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.
The area around 1021 D St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | CITY OF ANTIOCH serves 116,781 people · EPA ID CA0710001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2024 |
| Lead | Under 1 ppb (2022–2024) 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 605 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: T-Mobile, Verizon.
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