Contra Costa County property record for 4584 Emerald Way, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,478 sqft · built 2002 |
| Lot Size | 0.216 acres (9,401 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $5,186 (2025) |
| Deeds & Mortgages | Mar 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 053-720-025-5 |
| Primary APN | 053-720-025-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,478 sqft Living Area |
| 1st Floor Area | 1,063 sqft |
| 2nd Floor Area | 1,415 sqft |
| Year Built | Built 2002 |
|---|---|
| Effective Year Built | Effective 2003 |
| Lot Area | 9,401 sqft (0.216 acres) |
| Garage Type | Attached |
| Garage Area | 424 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4584 EMERALD WAY |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-9398 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7220 L655 |
| Legal Subdivision | SUBDIVISION 7220 |
| Legal Tract | 7220 |
| Legal Lot Number | 655 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 302009 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 4584 EMERALD WAY, ANTIOCH, CA 94531-9398 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 2, 2010 |
| Deed Sale | Aug 2, 2010 |
| Prior Sale | Sep 25, 2008 · Amount on Record |
| Deed Document Number | 2010154635 |
| Prior Transfer Date | Mar 11, 2008 |
| Prior Transfer Doc | 0000063837 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4584 EMERALD WAY, ANTIOCH, CA 94531-9398 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Name | Verified Name |
|---|---|
| Address | 4584 EMERALD WAY, ANTIOCH, CA 94531-9398 |
| Document Number | 0000041165 |
|---|---|
| Date | Mar 8, 2022 |
| Instrument | 2022-041165 |
| Name | NATIONSTAR MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | COPPELL, TX 75019 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Mar 1, 2037 |
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 | $426,906 (+2%) Land $131,342 Building $295,564 | |
| 2025 | $5,186.00 (+6.07%) | $418,536 (+4.04%) Land $128,767 Building $289,769 |
| 2023 | $4,889.00 (+1.52%) | $402,286 Land $123,768 Building $278,518 |
| 2022 | $4,816.00 |
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 2 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 | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% 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.
Source: FCC Broadband Data Collection, based on 288 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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