Contra Costa County property record for 2500 Mark Twain Dr, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,720 sqft · built 1994 |
| Lot Size | 0.158 acres (6,900 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $210,000 (Dec 2008) |
| Tax Bill | $3,466 (2025) |
| Deeds & Mortgages | Oct 2022 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 055-190-037-6 |
| Primary APN | 055-190-037-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,720 sqft Living Area |
| 1st Floor Area | 1,720 sqft |
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 1994 |
| Lot Area | 6,900 sqft (0.158 acres) |
| Garage Type | Attached |
| Garage Area | 425 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 2500 MARK TWAIN DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8362 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A-2 |
| Legal Description | T7469 L132 |
| Legal Subdivision | SUBDIVISION 7469 |
| Legal Tract | 7469 |
| Legal Lot Number | 132 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 2 |
| Census Block | 2002 |
| 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 | 4302 OTTER CREEK CT, ROCKLIN, CA 95677-3257 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 5, 2008 · Amount on Record |
| Deed Sale | Dec 5, 2008 · Amount on Record |
| Prior Sale | Sep 19, 2008 · Amount on Record |
| Deed Document Number | 2008261978 |
| Prior Transfer Date | Apr 4, 2005 |
| Prior Transfer Doc | 0000129514 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 2500 MARK TWAIN DR, ANTIOCH, CA 94531-8362 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Name | Verified Name |
|---|---|
| Address | 4302 OTTER CREEK CT, ROCKLIN, CA 95677-3257 |
| Document Number | 0000156280 |
|---|---|
| Date | Oct 19, 2022 |
| Instrument | 2022-156280 |
| Name | BANNER BANK |
|---|---|
| Type | Bank |
| Address | SACRAMENTO, CA 95825 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $275,816 (+2%) Land $65,666 Building $210,150 | |
| 2025 | $3,466.00 (+6.61%) | $270,409 (+4.04%) Land $64,379 Building $206,030 |
| 2023 | $3,251.00 (+1.47%) | $259,911 Land $61,880 Building $198,031 |
| 2022 | $3,204.00 |
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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