Contra Costa County property record for 20 Emerald Crest Pl, Antioch, CA 94509
| Property Type | Federal Property (Exempt) |
|---|---|
| Lot Size | 0.933 acres (40,633 sqft) |
| Owner | Company Name on File |
| Last Sale | $1,500,000 (Nov 2016) |
| Flood Zone | Zone X (minimal risk) |
| APN | 075-620-011-9 |
| Primary APN | 075-620-011-9 |
|---|---|
| Alternative APN |
|
| Lot Area | 40,633 sqft (0.933 acres) |
|---|
| Street Address | 20 EMERALD CREST PL |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509 |
| Property Category | Public Works |
| Property Type | Public Works > Federal Property (Exempt) |
| Legal Description | T7722 L11 |
| Legal Subdivision | SIERRA VISTA |
| Legal Tract | 7722 |
| Legal Lot Number | 11 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 355107 |
20 Emerald Crest Pl, a public works property, is owned by a company that acquired it in December 2016.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 2950 PERALTA OAKS CT, OAKLAND, CA 94605-5320 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 22, 2016 · Amount on File |
| Deed Sale | Nov 22, 2016 · Amount on File |
| Deed Document Number | 2016253138 |
| Last Transfer Date | Dec 6, 2016 |
| Transfer Doc | 0000275428 |
| 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 | Assessed Value |
|---|---|
| 2026 | $34,036 Land $34,036 |
| 2023 | $32,074 Land $32,074 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 20 Emerald Crest Pl in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 20 Emerald Crest Pl is high, ranking above 85% of the US, with a 0.9% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 85% of the US · above 65% of California |
|---|---|
| Wildfire Likelihood | 0.9% annual chance |
| Exposure | Direct burnable vegetation |
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 | CITY OF ANTIOCH serves 116,781 people · EPA ID CA0710001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2024 |
| Lead | Under 1 ppb (2022–2024) 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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures