Contra Costa County property record for 411 E 18th St, Antioch, CA 94509 · Last verified July 2026
| Property Type | Auto Repair, Garage |
|---|---|
| Details | 4,400 sqft · built 1988 |
| Lot Size | 0.367 acres (16,000 sqft) |
| Owner | Company Name on File |
| Tax Bill | $7,071 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 065-151-047-1 |
| Primary APN | 065-151-047-1 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 4,400 sqft Gross Area |
| 1st Floor Area | 4,400 sqft |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Lot Area | 16,000 sqft (0.367 acres) |
| Lot Dimensions | 160 ft deep x 100 ft wide |
| Street Address | 411 E 18TH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2434 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Auto Repair, Garage |
| Legal Description | POR SEC 19 T2N R2E |
| Legal Range | 02E |
| Legal Township | 02N |
| Legal Section | 19 |
| Legal Subdivision | SANDMOUND PARK |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1017 |
| Census Tract | 306003 |
Source: Contra Costa County records · APN 065-151-047-1
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 | 2901 CAROLYN CT, ANTIOCH, CA 94509-4952 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Oct 05, 2000 |
| Transfer Doc | 0000245616 |
| Record Updated | 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 | $585,680 (+2%) Land $194,036 Building $391,644 | |
| 2025 | $7,071.00 (-4.97%) | $574,197 (+4.04%) Land $190,232 Building $383,965 |
| 2023 | $7,441.00 (+8.08%) | $551,902 Land $182,846 Building $369,056 |
| 2022 | $6,885.00 |
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 |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | 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.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 741 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
May also be available at this address: AT&T, Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures