Contra Costa County property record for 4312 Null Dr, Antioch, CA 94509 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1967 |
| Square Footage | 1,290 sqft Living Area |
| Lot Size | 6,000 sqft (0.138 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $90,000 (2014) |
| Tax Bill | $3,010.00 (2025) |
Source: Contra Costa County records · APN 074-262-038-8
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 | 4312 DR, ANTIOCH, CA 94509 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Tenants In Common |
| Date | Document |
|---|---|
| Aug 07, 2019 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Jun 26, 2020 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| May 03, 2022 | Deed of Trust, Mortgage · Line of Credit PATELCO CU |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Nov 24, 2014 · Amount on Record |
| Deed Sale | Nov 24, 2014 · Amount on Record |
| Prior Sale | Oct 08, 2010 · Amount on Record |
| Deed Doc Number | 2014207986 |
| Prior Transfer Date | Oct 05, 2010 |
| Prior Transfer Doc | 0000218248 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4312 NULL DR, ANTIOCH, CA 94509-4342 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | STEWART TITLE OF CA INC |
| Name | Verified Name |
|---|
| Document Number | 0000124781 |
|---|---|
| Date | Aug 07, 2019 |
| Instrument | 2019-124781 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Bank |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2049 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4312 NULL DR, ANTIOCH, CA 94509-4342 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | ORANGE COAST TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000125587 |
|---|---|
| Date | Jun 26, 2020 |
| Instrument | 2020-125587 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | 65865 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4312 NULL DR, ANTIOCH, CA 94509-4342 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | PLACER TITLE |
| Name | Verified Name |
|---|---|
| Address | 4312 NULL DR, ANTIOCH, CA 94509-4342 |
| Document Number | 0000076962 |
|---|---|
| Date | May 03, 2022 |
| Instrument | 2022-076962 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Address | DUBLIN, CA 94568 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 300 Months |
| Due | May 30, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
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 | $222,143 (+2%) Land $39,198 Building $182,945 | |
| 2025 | $3,010.00 (+5.84%) | $217,788 (+4.04%) Land $38,430 Building $179,358 |
| 2023 | $2,844.00 (+1.43%) | $209,334 Land $36,939 Building $172,395 |
| 2022 | $2,804.00 |
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 |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Moderate above 45% of the US · above 26% of California |
|---|---|
| Wildfire Likelihood | About 1 in 1,099 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 074-262-038-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,290 sqft Living Area |
| 1st Floor | 1,290 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1967 |
| Architectural Style | Ranch Style |
| Exterior Material | Stucco Exterior |
| Roof Material | Composition Shingle Roof |
| Lot Area | 6,000 sqft (0.138 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 448 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Street Address | 4312 DR |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TRACT 3437 LOT 38 EX MR |
| Legal Subdivision | NEW DELTA ESTATES SUB 3437 |
| Legal Tract | 3437 |
| Legal Lot Number | 38 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | ANTIOCH-PITTSBURG |
| Census Blockgroup | 1 |
| Census Block | 1014 |
| Census Tract | 307201 |
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