Contra Costa County property record for 4059 Lost Canyon Ct, Antioch, CA 94531 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,179 sqft · built 2000 |
| Lot Size | 0.136 acres (5,917 sqft) |
| Owner | Individual Name on File |
| Last Sale | $300,000 (Sep 2008) |
| Tax Bill | $4,697 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 055-620-061-6 |
| Primary APN | 055-620-061-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,179 sqft Living Area |
| 1st Floor Area | 1,075 sqft |
| 2nd Floor Area | 1,104 sqft |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2001 |
| Lot Area | 5,917 sqft (0.136 acres) |
| Garage Type | Attached |
| Garage Area | 514 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4059 LOST CANYON CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-8280 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8247 L61 |
| Legal Subdivision | SUBDIVISION 8247 |
| Legal Tract | 8247 |
| Legal Lot Number | 61 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 355118 |
Source: Contra Costa County records · APN 055-620-061-6
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 | 4059 LOST CANYON CT, ANTIOCH, CA 94531-8280 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 19, 2008 · Amount on Record |
| Deed Sale | Sep 19, 2008 · Amount on Record |
| Prior Sale | Jul 18, 2008 · Amount on Record |
| Deed Document Number | 2008208352 |
| Prior Transfer Date | May 28, 2003 |
| Prior Transfer Doc | 0000271674 |
| 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 is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $394,038 (+2%) Land $98,505 Building $295,533 | |
| 2025 | $4,697.00 (+6.32%) Homeowner's exemption | $386,313 (+4.04%) Land $96,574 Building $289,739 |
| 2023 | $4,418.00 (+1.54%) Homeowner's exemption | $371,314 Land $92,825 Building $278,489 |
| 2022 | $4,351.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Low above 32% of the US · above 19% of California |
|---|---|
| Wildfire Likelihood | About 1 in 2,703 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 675 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
May also be available at this address: AT&T, Unwired. Availability varies by address; speeds are provider-advertised maximums, not measured.
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