Contra Costa County property record for 1409 D St, Antioch, CA 94509
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2 ba · 2,229 sqft · built 1939 |
| Lot Size | 0.181 acres (7,875 sqft) |
| Owner | Company Name on File |
| Last Sale | $71,000 (Dec 2010) |
| Tax Bill | $2,135 (2025) |
| Deeds & Mortgages | Mar 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 067-101-008 |
| Primary APN | 067-101-008 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,229 sqft Living Area |
| 1st Floor Area | 1,917 sqft |
| 2nd Floor Area | 312 sqft |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1939 |
| Architectural Style | Duplex Single |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Composition Shingle |
| Lot Area | 7,875 sqft (0.181 acres) |
| Lot Dimensions | 175 ft deep x 45 ft wide |
| Street Address | 1409 D ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2348 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R1 |
| Legal Description | WILLS ADDN 45 FT X 175 FT OF LOT 12 |
| Legal Subdivision | WILLS ADD |
| Legal Lot Number | 12 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 306003 |
1409 D St, a duplex, is owned by a company that bought it in December 2010.
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 | Company Name on File |
|---|---|
| Mailing Address | PO BOX 3782, ANTIOCH, CA 94531-3782 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 3, 2010 · Amount on File |
| Deed Sale | Dec 3, 2010 · Amount on File |
| Prior Sale | Nov 4, 2010 · Amount on File |
| Deed Document Number | 2010272691 |
| Prior Transfer Date | Jan 9, 1994 |
| Prior Transfer Doc | 0000015305 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1409 D ST, ANTIOCH, CA 94509-2348 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | WFG NATIONAL TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 5252 JUDSONVILLE DR, ANTIOCH, CA 94531-8512 |
| Document Number | 0000045863 |
|---|---|
| Date | Mar 15, 2022 |
| Instrument | 2022-045863 |
| Name | KIAVI FUNDING INC |
|---|---|
| Type | Mortgage Company |
| Address | PITTSBURGH, PA 15212 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 1409 D St was $2,135.
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 | $92,769 (+2%) Land $39,198 Building $53,571 | |
| 2025 | $2,135.00 | $90,951 Land $38,430 Building $52,521 |
| 2023 | $1,962.00 (+0.82%) | $87,422 Land $36,939 Building $50,483 |
| 2022 | $1,946.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1409 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 1409 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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