Contra Costa County property record for 4028 Steffa St, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 3,302 sqft · built 2013 |
| Lot Size | 0.193 acres (8,408 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $830,000 (Oct 2021) |
| Tax Bill | $11,092 (2025) |
| Deeds & Mortgages | Sep 2020 Mortgage Jun 2021 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 089-600-033-8 |
| Primary APN | 089-600-033-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,302 sqft Living Area |
| 1st Floor Area | 1,450 sqft |
| 2nd Floor Area | 1,852 sqft |
| Year Built | Built 2013 |
|---|---|
| Effective Year Built | Effective 2014 |
| Lot Area | 8,408 sqft (0.193 acres) |
| Garage Type | Attached |
| Garage Area | 574 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4028 STEFFA ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-4374 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8586 L250 |
| Legal Subdivision | BLACK DIAMOND RANCH SUB 8586 U |
| Legal Tract | 8586 |
| Legal Lot Number | 250 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 313106 |
Source: Contra Costa County records, as of July 14, 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 Record |
|---|---|
| Mailing Address | 4028 STEFFA ST, ANTIOCH, CA 94509-4374 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Sep 10, 2020 | Deed of Trust, Mortgage · VA Mortgage NORTH AMERICAN SAVINGS BANK FSB |
| Jun 29, 2021 | Deed of Trust, Mortgage · VA Mortgage FREEDOM MORTGAGE CORP |
| Oct 29, 2021 | Grant Deed, Transfer · FHA Mortgage GUILD MORTGAGE CO |
| Oct 29, 2021 | Affidavit of Death of Joint Tenant, Transfer FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 29, 2021 · Amount on Record |
| Deed Sale | Oct 29, 2021 · Amount on Record |
| Prior Sale | Mar 7, 2014 · Amount on Record |
| Deed Document Number | 2021304068 |
| Prior Transfer Date | Oct 21, 2021 |
| Prior Transfer Doc | 0000304067 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4028 STEFFA ST, ANTIOCH, CA 94509-4374 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | TRANSTAR NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 4028 STEFFA ST, ANTIOCH, CA 94509-4374 |
| Document Number | 0000200917 |
|---|---|
| Date | Sep 10, 2020 |
| Instrument | 2020-200917 |
| Name | NORTH AMERICAN SAVINGS BANK FSB |
|---|---|
| Type | Bank |
| Address | GRANDVIEW, MO 64030 |
| Type | VA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4028 STEFFA ST, ANTIOCH, CA 94509-4374 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | TITLE CONNECT INC |
| Name | Verified Name |
|---|---|
| Address | 4028 STEFFA ST, ANTIOCH, CA 94509-4374 |
| Document Number | 0000185677 |
|---|---|
| Date | Jun 29, 2021 |
| Instrument | 2021-185677 |
| Name | FREEDOM MORTGAGE CORP |
|---|---|
| Type | Subprime Lender |
| Address | BOCA RATON, FL 33431 |
| Type | VA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 354 Months |
| Due | Dec 1, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 29, 2021 |
| Property Address | 4028 STEFFA ST, ANTIOCH, CA 94509-4374 |
| Document Number | 0000304068 |
| Map Reference | MB 504 PG 32 |
| Instrument Date | Oct 25, 2021 |
| Instrument | 2021-304068 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4028 STEFFA ST, ANTIOCH, CA 94509-4374 |
| Document Number | 0000304069 |
|---|---|
| Date | Oct 29, 2021 |
| Instrument | 2021-304069 |
| Name | GUILD MORTGAGE CO |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 1, 2051 |
| Document Type | Affidavit of Death of Joint Tenant |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 29, 2021 |
| Property Address | 4028 STEFFA ST, ANTIOCH, CA 94509-4374 |
| Document Number | 0000304067 |
| Map Reference | MB 504 PG 32 |
| Instrument Date | Oct 21, 2021 |
| Instrument | 2021-304067 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 9130 NOLAN ST APT 3050, 3050, ELK GROVE, CA 95758-7549 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $771,000 (-1.15%) Land $232,229 Building $538,771 | |
| 2025 | $11,092.00 (+1.11%) | $780,000 (+1.04%) Land $234,940 Building $545,060 |
| 2023 | $10,970.00 (-5.03%) | $772,000 Land $233,000 Building $539,000 |
| 2022 | $11,551.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 5 in force |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 73% of the US · above 49% of California |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF ANTIOCH serves 116,781 people · EPA ID CA0710001 |
|---|---|
| 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, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 264 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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