Contra Costa County property record for 20 E Lake Dr, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,964 sqft · built 1968 |
| Lot Size | 0.157 acres (6,840 sqft) |
| Owner | Individual Name on File |
| Last Sale | $478,000 (Oct 2024) |
| Tax Bill | $5,922 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 065-242-025-8 |
| Primary APN | 065-242-025-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,964 sqft Living Area |
| 1st Floor Area | 1,084 sqft |
| 2nd Floor Area | 880 sqft |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1969 |
| Lot Area | 6,840 sqft (0.157 acres) |
| Garage Type | Attached |
| Garage Area | 489 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 20 E LAKE DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2042 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 2649 LOT 57 |
| Legal Subdivision | 2649 LAKE ALHAMBRA |
| Legal Tract | 2649 |
| Legal Lot Number | 57 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 306004 |
Source: Contra Costa County records · APN 065-242-025-8
Assessment roll updated July 14, 2026 · Last verified August 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 | 2224 AUPAKA ST, PEARL CITY, HI 96782-1213 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Surviving Spouse |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 04, 2024 · Amount on Record |
| Deed Sale | Oct 04, 2024 · Amount on Record |
| Deed Document Number | 202498215 |
| Prior Transfer Date | Sep 27, 2024 |
| Prior Transfer Doc | 0000098213 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 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 | $487,560 (+2%) Land $367,200 Building $120,360 | |
| 2025 | $5,922.00 (+269.66%) | $478,000 (+356.15%) Land $360,000 Building $118,000 |
| 2023 | $1,602.00 (+1.33%) Homeowner's exemption | $104,790 Land $35,305 Building $69,485 |
| 2022 | $1,581.00 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 19 policies |
| Nearby Flood Policies | 19 in force |
| Nearby Flood Claims | 15 (1983–2022) |
| Claims Outside the SFHA | 2 of 15 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: Verizon.
Based on FCC filings for 219 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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