Contra Costa County property record for 818 E 18th St, Antioch, CA 94509 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1915 |
| Square Footage | 1,340 sqft Living Area |
| Lot Size | 39,200 sqft (0.9 acres) |
| Garage | Attached, 240 sqft |
| Last Sale | $580,000 (2022) |
| Tax Bill | $5,918.00 (2025) |
| Primary APN | 068-082-037 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 8 Rooms |
| Building Area | 1,340 sqft Living Area |
| 1st Floor | 1,340 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1890 |
|---|---|
| Effective Year Built | Effective 1915 |
| Lot Area | 39,200 sqft (0.9 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 240 sqft Garage |
| Street Address | 818 E 18TH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2834 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | PCL MAP 109 PG 39 PCL A |
| Legal Subdivision | ABBOTT & BEEDE |
| Legal Tract | 109PM39 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | ANTIOCH-PITTSBURG |
| Census Blockgroup | 3 |
| Census Block | 3005 |
| Census Tract | 306003 |
Source: Contra Costa County records · APN 068-082-037
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 | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 1032, CONCORD, CA 94522-1032 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Jun 28, 2022 | Grant Deed, Transfer · Conventional Mortgage GUARANTEED RATE INC |
| Jul 08, 2021 | Affidavit of Death of Joint Tenant, Transfer |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 28, 2022 · Amount on Record |
| Deed Sale | Jun 28, 2022 · Amount on Record |
| Deed Doc Number | 2022105481 |
| Prior Transfer Date | Jun 24, 2021 |
| Prior Transfer Doc | 0000194025 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 28, 2022 |
| Property Address | 818 E 18TH ST, ANTIOCH, CA 94509-2834 |
| Document Number | 0000105481 |
| Map Reference | MB E PG 101 1/2 |
| Instrument Date | Jun 21, 2022 |
| Instrument | 2022-105481 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | PO BOX 1032, CONCORD, CA 94522-1032 |
| Document Number | 0000105482 |
|---|---|
| Date | Jun 28, 2022 |
| Instrument | 2022-105482 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2052 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 08, 2021 |
| Property Address | 818 E 18TH ST, ANTIOCH, CA 94509-2834 |
| Document Number | 0000194025 |
| Map Reference | MB E PG 101 |
| Instrument Date | Jun 24, 2021 |
| Instrument | 2021-194025 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Zero or No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Living Trust |
| Address | 122 SHASTA CT, ANTIOCH, CA 94509-5526 |
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 | $465,000 (-2.31%) Land $380,820 Building $84,180 | |
| 2025 | $5,918.00 (-3.08%) | $476,000 (-4.8%) Land $389,828 Building $86,172 |
| 2023 | $6,106.00 (+395.21%) | $500,000 Land $395,000 Building $105,000 |
| 2022 | $1,233.00 |
818 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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