Contra Costa County property record for 3605 E 18th St, Antioch, CA 94509 · Last verified July 2026
| Property Type | Commercial > Retail > Drive-Thru Restaurant, Fast Food |
|---|---|
| Year Built | Built 1999 |
| Square Footage | 3,318 sqft Gross Area |
| Lot Size | 27,442 sqft (0.63 acres) |
| Last Sale | $287,500 (1998) |
| Tax Bill | $18,687.00 (2025) |
| Primary APN | 051-052-091-9 |
|---|---|
| Alternative APN |
|
| Building Area | 3,318 sqft Gross Area |
|---|---|
| 1st Floor | 3,318 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1998 |
|---|---|
| Effective Year Built | Effective 1999 |
| Lot Area | 27,442 sqft (0.63 acres) |
| Street Address | 3605 E 18TH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-8511 |
| Property Usage | Commercial Property Usage |
| Type | Commercial > Retail > Drive-Thru Restaurant, Fast Food |
| Legal Description | 166PM20 PCL 2 |
| Legal Tract | 166PM20 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | ANTIOCH-PITTSBURG |
| Census Blockgroup | 2 |
| Census Block | 2016 |
| Census Tract | 306002 |
Source: Contra Costa County records · APN 051-052-091-9
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 | Company Name on File |
|---|---|
| Mailing Address | PO BOX 1547, SAN RAMON, CA 94583-6547 |
| Owner Type | Owner is a Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 24, 1998 · Amount on Record |
| Deed Sale | Mar 24, 1998 · Amount on Record |
| Deed Doc Number | 199860156 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3605 E 18TH ST, ANTIOCH, CA 94509-8511 |
| Document Number | 0000072720 |
| Instrument Date | Jan 24, 2018 |
| Transaction Type | Mortgage |
| Record Updated | May 23, 2018 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | PO BOX 1547 SAN RAMON CA 945836547, SAN RAMON, CA 94583-6547 |
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 | $1,542,105 (+2%) Land $468,237 Building $1,073,868 | |
| 2025 | $18,687.00 (+6.62%) | $1,511,868 (+4.04%) Land $459,056 Building $1,052,812 |
| 2023 | $17,526.00 (-3.48%) | $1,453,162 Land $441,231 Building $1,011,931 |
| 2022 | $18,157.00 |
3605 E 18th St is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.
Source: FEMA National Flood Hazard Layer · Contra Costa County (06013C), updated October 12, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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