Contra Costa County property record for 4221 Null Dr, Antioch, CA 94509 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1977 |
| Square Footage | 1,569 sqft Living Area |
| Lot Size | 6,000 sqft (0.138 acres) |
| Garage | Attached, 472 sqft |
| Last Sale | $64,000 (2020) |
| Tax Bill | $5,477.00 (2025) |
| Primary APN | 074-261-032-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,569 sqft Living Area |
| 1st Floor | 1,569 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1977 |
| Lot Area | 6,000 sqft (0.138 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 472 sqft Garage |
| View | Canal View |
| Heating System | Central Heating |
|---|
| Street Address | 4221 DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TRACT 3437 LOT 44 EX MR |
| Legal Subdivision | NEW DELTA ESTATES SUB 3437 |
| Legal Tract | 3437 |
| Legal Lot Number | 44 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | ANTIOCH-PITTSBURG |
| Census Blockgroup | 1 |
| Census Block | 1010 |
| Census Tract | 307201 |
Source: Contra Costa County records · APN 074-261-032-2
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 461 SUSIE ST, OAKLEY, CA 94561-6351 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 02, 2020 · Amount on Record |
| Deed Sale | Jul 02, 2020 · Amount on Record |
| Prior Sale | Nov 18, 2011 · Amount on Record |
| Deed Doc Number | 2020131194 |
| Prior Transfer Date | Oct 17, 1994 |
| Prior Transfer Doc | 0000256083 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 02, 2020 |
| Property Address | 4221 NULL DR, ANTIOCH, CA 94509-4339 |
| Document Number | 0000131194 |
| Instrument Date | Jun 30, 2020 |
| Instrument | 131194 |
| Transaction Type | Transfer |
| Record Updated | Jul 22, 2020 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Tax | $70.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenant/Joint Tenant w/ Right Of Survivorship |
| Address | 461 SUSIE ST OAKLEY CA 945616351, OAKLEY, CA 94561-6351 |
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 | $447,149 (+2%) Land $204,253 Building $242,896 | |
| 2025 | $5,477.00 (+5.14%) | $438,383 (+4.04%) Land $200,249 Building $238,134 |
| 2023 | $5,209.00 (+1.6%) | $421,362 Land $192,474 Building $228,888 |
| 2022 | $5,127.00 |
4221 Null Dr is in FEMA Zone X, outside the Special Flood Hazard Area, with indirect wildfire exposure (Moderate risk).
Source: FEMA National Flood Hazard Layer · Contra Costa County (06013C), updated October 12, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Moderate 45th percentile of exposed land nationally · 26th in California |
|---|---|
| Wildfire Likelihood | Moderate — about 1 in 1,099 per year |
| Exposure | Indirect within ember reach of burnable land · adjoins burnable vegetation |
Values are read at the parcel center point; lenders make the official flood determination.
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