Contra Costa County property record for 4520 Le Conte Cir, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 4 ba · 3,382 sqft · built 2008 |
| Lot Size | 0.207 acres (9,030 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $620,000 (Dec 2018) |
| Tax Bill | $12,547 (2025) |
| Deeds & Mortgages | Nov 2019 Transfer Dec 2018 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 052-510-017-8 |
| Primary APN | 052-510-017-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 13 Rooms |
| Stories | 2 Stories |
| Building Area | 3,382 sqft Living Area |
| 1st Floor Area | 1,809 sqft |
| 2nd Floor Area | 1,573 sqft |
| Year Built | Built 2008 |
|---|---|
| Effective Year Built | Effective 2009 |
| Lot Area | 9,030 sqft (0.207 acres) |
| Garage Type | Attached |
| Garage Area | 476 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4520 LE CONTE CIR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-7186 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8850 L130 |
| Legal Subdivision | NELSON RANCH #2 |
| Legal Tract | 8850 |
| Legal Lot Number | 130 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1020 |
| Census Tract | 308002 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 4520 LE CONTE CIR, ANTIOCH, CA 94531-7186 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Nov 5, 2019 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Dec 14, 2018 | Grant Deed, Transfer OLD REPUBLIC TITLE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 14, 2018 · Amount on Record |
| Deed Sale | Dec 14, 2018 · Amount on Record |
| Prior Sale | Nov 25, 2014 · Amount on Record |
| Deed Document Number | 2018200503 |
| Last Transfer Date | Sep 18, 2019 |
| Transfer Doc | 0000197177 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 5, 2019 |
| Property Address | 4520 LE CONTE CIR, ANTIOCH, CA 94531-7186 |
| Document Number | 0000197177 |
| Instrument Date | Sep 18, 2019 |
| Instrument | 197177 |
| Transaction Type | Transfer |
| Record Updated | Nov 14, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4520 LE CONTE CIR ANTIOCH CA 945317186, ANTIOCH, CA 94531-7186 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 14, 2018 |
| Property Address | 4520 LE CONTE CIR, ANTIOCH, CA 94531-7186 |
| Document Number | 0000200503 |
| Instrument Date | Dec 6, 2018 |
| Instrument | 200503 |
| Transaction Type | Transfer |
| Record Updated | Jan 14, 2020 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $682.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Irrevocable Trust |
| Address | 4520 LE CONTE CIR ANTIOCH CA 945317186, ANTIOCH, CA 94531-7186 |
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 | $705,448 (+2%) Land $113,781 Building $591,667 | |
| 2025 | $12,547.00 (+3.17%) | $691,616 (+4.04%) Land $111,550 Building $580,066 |
| 2023 | $12,161.00 (+51.9%) | $664,762 Land $107,219 Building $557,543 |
| 2022 | $8,006.00 |
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 | 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 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | 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 142 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
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