Contra Costa County property record for 524 E 18th St, Antioch, CA 94509 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Year Built | Built 1918 |
| Square Footage | 1,658 sqft Living Area |
| Lot Size | 24,393 sqft (0.56 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $14,000 (2003) |
| Tax Bill | $4,379.00 (2025) |
Source: Contra Costa County records · APN 068-051-057-5
Assessment roll updated July 14, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 524 E 18TH ST, ANTIOCH, CA 94509-2744 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Tenants In Common |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 19, 2003 · Amount on Record |
| Deed Sale | Nov 19, 2003 · Amount on Record |
| Prior Sale | May 04, 2001 · Amount on Record |
| Deed Doc Number | 2003565129 |
| Last Transfer Date | Mar 31, 2006 |
| Transfer Doc | 0000103711 |
| Record Refreshed | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $345,223 (+2%) Land $223,048 Building $122,175 | |
| 2025 | $4,379.00 (+5.34%) | $338,455 (+4.04%) Land $218,675 Building $119,780 |
| 2023 | $4,157.00 (+1.54%) | $325,315 Land $210,185 Building $115,130 |
| 2022 | $4,094.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 068-051-057-5 |
|---|---|
| Alternative APN |
|
| Total Rooms | 1 Rooms |
|---|---|
| Building Area | 1,658 sqft Living Area |
| 1st Floor | 1,658 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1905 |
|---|---|
| Effective Year Built | Effective 1918 |
| Lot Area | 24,393 sqft (0.56 acres) |
| Street Address | 524 E 18TH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2744 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | POR NW COR OF SE QR SEC 19 T2N R2E |
| Legal Range | 02E |
| Legal Township | 02N |
| Legal Section | 19 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | ANTIOCH-PITTSBURG |
| Census Blockgroup | 3 |
| Census Block | 3003 |
| Census Tract | 306003 |
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