Contra Costa County property record for 1715 E 18th St, Antioch, CA 94509
| Property Type | Religious, Church, Worship (Synagogue, Temple, Parsonage) |
|---|---|
| Details | 6 bd · 2.75 ba · 21,640 sqft · built 2005 |
| Lot Size | 1.11 acres (48,787 sqft) |
| Owner | Company Name on Record |
| Last Sale | $510,000 (Aug 2004) |
| Tax Bill | $10,031 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 051-140-008-7 |
| Primary APN | 051-140-008-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 21,640 sqft Gross Area |
| 1st Floor Area | 21,640 sqft |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2006 |
| Lot Area | 48,787 sqft |
| Garage Area | 266 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Central |
|---|
| Street Address | 1715 E 18TH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509 |
| Property Category | Other |
| Property Type | Other > Religious, Church, Worship (Synagogue, Temple, Parsonage) |
| Local Zoning Code | R10 |
| Legal Description | POR SEC 20 T2N R2E |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 306004 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 1745 E 18TH ST, ANTIOCH, CA 94509-2191 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 3, 2004 · Amount on Record |
| Deed Sale | Aug 3, 2004 · Amount on Record |
| Deed Document Number | 2004299117 |
| Prior Transfer Date | Nov 2, 1998 |
| Prior Transfer Doc | 0000275977 |
| Record Updated | Sep 20, 2026 |
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 | $4,673,024 (+2%) Land $725,107 Building $3,947,917 | |
| 2025 | $10,031.00 (+46.35%) Additional exemption filed | $4,581,397 (+5.69%) Land $710,890 Building $3,870,507 |
| 2023 | $6,854.00 (-3.67%) Additional exemption filed | $4,334,870 Land $683,286 Building $3,651,584 |
| 2022 | $7,115.00 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; 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 | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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 279 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T DSL | 100 / 20 |
May also be available: Verizon.
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