Contra Costa County property record for 25 Sunset Dr, #A, Antioch, CA 94509
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 1,430 sqft · built 1951 |
| Lot Size | 0.171 acres (7,440 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $230,000 (Apr 2013) |
| Tax Bill | $4,283 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 068-141-022-1 |
| Primary APN | 068-141-022-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,430 sqft Living Area |
| 1st Floor Area | 1,430 sqft |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Duplex Single |
| Lot Area | 7,440 sqft (0.171 acres) |
| Garage Type | Attached |
| Garage Area | 333 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 25 SUNSET DR, A |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-3820 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R2 |
| Legal Description | SUNSET GARDENS #2 LOT 22 BLK 6 |
| Legal Subdivision | SUNSET GARDENS 02 |
| Legal Block | 6 |
| Legal Lot Number | 22 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 308001 |
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 Individual Names on Record |
|---|---|
| Mailing Address | 667 18TH AVE, MENLO PARK, CA 94025-2015 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 26, 2013 · Amount on Record |
| Deed Sale | Apr 26, 2013 · Amount on Record |
| Prior Sale | Dec 16, 2010 · Amount on Record |
| Deed Document Number | 2013104219 |
| Prior Transfer Date | Dec 14, 2010 |
| Prior Transfer Doc | 0000284868 |
| Record Updated | Sep 20, 2026 |
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 | $288,879 (+2%) Land $81,637 Building $207,242 | |
| 2025 | $4,283.00 (+6.52%) | $283,216 (+4.04%) Land $80,037 Building $203,179 |
| 2023 | $4,021.00 (+1.31%) | $272,221 Land $76,930 Building $195,291 |
| 2022 | $3,969.00 |
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 · 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 |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 3 (1998–2004) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Nov 2004 · rainfall accumulation |
| Claims by Event |
|
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no wildfire likelihood modeled here |
|---|
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 597 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: Verizon.
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