Contra Costa County property record for 2405 Mark Twain Dr, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,189 sqft · built 1993 |
| Lot Size | 0.116 acres (5,045 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $180,000 (Sep 1996) |
| Tax Bill | $3,848 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 055-180-030-3 |
| Primary APN | 055-180-030-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,189 sqft Living Area |
| Gross Area | 2,855 sqft |
| 1st Floor Area | 1,081 sqft |
| 2nd Floor Area | 1,108 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1993 |
|---|---|
| Effective Year Built | Effective 1993 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Roof Material | Tile |
| Lot Area | 5,045 sqft (0.116 acres) |
| Garage Type | Attached |
| Garage Area | 666 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 2405 MARK TWAIN DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8361 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7469 L151 |
| Legal Tract | 7469 |
| Legal Lot Number | 151 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 355120 |
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 | 2405 MARK TWAIN DR, ANTIOCH, CA 94531-8361 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 26, 1996 · Amount on Record |
| Deed Sale | Sep 26, 1996 · Amount on Record |
| Prior Sale | May 2, 1996 · Amount on Record |
| Deed Document Number | 1996180156 |
| Prior Transfer Date | Apr 29, 1996 |
| Prior Transfer Doc | 0000080967 |
| Record Updated | Oct 29, 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 | $320,092 (+2%) Land $58,125 Building $261,967 | |
| 2025 | $3,848.00 (+6.62%) Homeowner's exemption | $313,817 (+4.04%) Land $56,986 Building $256,831 |
| 2023 | $3,609.00 (+1.52%) Homeowner's exemption | $301,633 Land $54,774 Building $246,859 |
| 2022 | $3,555.00 |
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 | 2 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 | 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 424 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: T-Mobile, Verizon.
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