Contra Costa County property record for 66 Mark Ln, Antioch, CA 94509 · Last verified July 2026
| Property Type | Mobile Home |
|---|---|
| Details | 1,080 sqft · built 1970 |
| Lot Size | 22.4 acres (979,170 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $161 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 707-601-066-4 |
| Primary APN | 707-601-066-4 |
|---|---|
| Alternative APN |
|
| Building Area | 1,080 sqft Living Area |
|---|
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Mobile Home |
| Lot Area | 979,170 sqft |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 1 Parking Space |
| Street Address | 66 MARK LN |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-4423 |
| Property Category | Residential |
| Property Type | Residential > Prefabricated > Mobile Home |
| Legal Description | VISTA DIABLO |
| Legal Subdivision | VISTA DIABLO |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 307205 |
Source: Contra Costa County records · APN 707-601-066-4
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 | 66 MARK LN, ANTIOCH, CA 94509-4423 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| 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 | $14,700 (+1.38%) Building $14,700 | |
| 2025 | $161.00 (+5.92%) | $14,500 (+5.71%) Building $14,500 |
| 2023 | $152.00 (+1.33%) | $13,717 Building $13,717 |
| 2022 | $150.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133072052, refreshed September 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 |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Low above 20% of the US · above 11% of California |
|---|---|
| Wildfire Likelihood | About 1 in 2,941 per year |
| Exposure | Indirect 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, availability as of December 31, 2025 · Published October 2026 · based on 305 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: AT&T, Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
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