Contra Costa County property record for 203 Bart Ave, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,516 sqft · built 1951 |
| Lot Size | 0.161 acres (7,000 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $585,000 (Jan 2025) |
| Tax Bill | $5,217 (2025) |
| Deeds & Mortgages | May 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 065-081-010-4 |
| Primary APN | 065-081-010-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,516 sqft Living Area |
| 1st Floor Area | 1,516 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 7,000 sqft (0.161 acres) |
| Garage Type | Attached |
| Garage Area | 414 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Cooling System | Wall Unit |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 203 BART AVE |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-1823 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LYNNWOOD HEIGHTS POR LOT 2 & TR ADJ |
| Legal Subdivision | LYNWOOD HEIGHTS |
| Legal Lot Number | 2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 306003 |
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 | 203 BART AVE, ANTIOCH, CA 94509-1823 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 29, 2025 · Amount on Record |
| Deed Sale | Jan 29, 2025 · Amount on Record |
| Prior Sale | Dec 2, 2024 · Amount on Record |
| Deed Document Number | 20258627 |
| Prior Transfer Date | Sep 18, 2020 |
| Prior Transfer Doc | 0000210832 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 11, 2018 |
| Property Address | 203 BART AVE, ANTIOCH, CA 94509-1823 |
| Document Number | 0000074728 |
| Map Reference | MB 43 PG 40 |
| Instrument Date | Apr 30, 2018 |
| Instrument | 2018-074728 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1717 MAIN ST, DALLAS, TX 75201-4612 |
| Investor | Possibly a Property Investor |
| Document Number | 0000074729 |
|---|---|
| Date | May 11, 2018 |
| Instrument | 2018-074729 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Type | Unknown |
|---|---|
| Amount | Amount Recorded |
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 | $596,700 (+43.78%) Land $285,600 Building $311,100 | |
| 2025 | $5,217.00 (+7.28%) | $415,000 (+6.29%) Land $252,000 Building $163,000 |
| 2023 | $4,863.00 (+1.57%) | $390,426 Land $160,632 Building $229,794 |
| 2022 | $4,788.00 |
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
| 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.
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 593 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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