Contra Costa County property record for 4433 Null Dr, Antioch, CA 94509 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,290 sqft · built 1965 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Company Name on File |
| Tax Bill | $1,343 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 074-241-027-7 |
| Primary APN | 074-241-027-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,290 sqft Living Area |
| 1st Floor Area | 1,290 sqft |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1966 |
| Lot Area | 6,000 sqft (0.138 acres) |
| View / Lot | Canal |
| Garage Type | Attached |
| Garage Area | 458 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4433 DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 3165 LOT 27 EX MR |
| Legal Subdivision | NEW DELTA ESTATES |
| Legal Tract | 3165 |
| Legal Lot Number | 27 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 307201 |
Source: Contra Costa County records · APN 074-241-027-7
Assessment roll updated July 14, 2026 · Last verified July 2026
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| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 4433 DR, ANTIOCH, CA 94509 |
| Owner Type | Company |
| Vesting | Trust |
| 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 | $69,942 (+2%) Land $27,463 Building $42,479 | |
| 2025 | $1,343.00 (+7.78%) | $68,572 (+4.04%) Land $26,925 Building $41,647 |
| 2023 | $1,246.00 (+0.97%) | $65,912 Land $25,881 Building $40,031 |
| 2022 | $1,234.00 |
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 20% of the US · above 11% of California |
|---|---|
| Wildfire Likelihood | About 1 in 2,273 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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