Contra Costa County property record for 4644 Ranch Ln, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,416 sqft · built 2024 |
| Lot Size | 0.096 acres (4,162 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $656,500 (Dec 2024) |
| Tax Bill | $11,951 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 053-850-008-3 |
| Primary APN | 053-850-008-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,416 sqft Living Area |
| 1st Floor Area | 1,416 sqft |
| Year Built | Built 2024 |
|---|---|
| Effective Year Built | Effective 2024 |
| Lot Area | 4,162 sqft (0.096 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4644 RANCH PL |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8756 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8741 L8 |
| Legal Subdivision | SUBDIVISION 8741 |
| Legal Tract | 8741 |
| 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 · APN 053-850-008-3
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 4644 RANCH PL, ANTIOCH, CA 94531-8756 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 23, 2024 · Amount on Record |
| Deed Sale | Dec 23, 2024 · Amount on Record |
| Deed Document Number | 2024136983 |
| 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 and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $669,120 (+2%) Land $265,200 Building $403,920 | |
| 2025 | $11,951.00 (+613.92%) Homeowner's exemption | $656,000 (+342.66%) Land $260,000 Building $396,000 |
| 2023 | $1,674.00 | $148,196 Land $148,196 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
| Wildfire Risk | Low lower than 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| 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 USA Fixed Wireless | 100 / 20 |
May also be available: Verizon.
Based on FCC filings for 288 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF ANTIOCH serves 116,781 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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