Contra Costa County property record for 4020 Steffa St, Antioch, CA 94509 · Last verified August 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 5 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 2012 |
| Square Footage | 3,302 sqft Living Area |
| Lot Size | 6,688 sqft (0.154 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $721,000 (2023) |
| Tax Bill | $10,757.00 (2025) |
Source: Contra Costa County records · APN 089-600-031-2
Assessment roll updated July 14, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 4020 STEFFA ST, ANTIOCH, CA 94509-4374 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Revocable Trust |
| Date | Document |
|---|---|
| Apr 23, 2026 | Quit Claim Deed, Transfer NONE LISTED ON DOCUMENT |
| Jan 24, 2023 | Grant Deed, Transfer · Conventional Mortgage PARAMOUNT RESIDENTIAL MORTGAGE GROU |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 24, 2023 · Amount on Record |
| Deed Sale | Jan 24, 2023 · Amount on Record |
| Prior Sale | Jul 26, 2012 · Amount on Record |
| Deed Doc Number | 20236099 |
| Last Transfer Date | Apr 22, 2026 |
| Transfer Doc | 0000041811 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 23, 2026 |
| Property Address | 4020 STEFFA ST, ANTIOCH, CA 94509-4374 |
| Document Number | 0000041811 |
| Instrument Date | Apr 22, 2026 |
| Instrument | 202641811 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 4020 STEFFA ST, ANTIOCH, CA 94509-4374 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 24, 2023 |
| Property Address | 4020 STEFFA ST, ANTIOCH, CA 94509-4374 |
| Document Number | 0000006099 |
| Map Reference | MB 504 PG 32 |
| Instrument Date | Jan 18, 2023 |
| Instrument | 2023-006099 |
| Transaction Type | Transfer |
| Record Updated | Feb 02, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 4020 STEFFA ST, ANTIOCH, CA 94509-4374 |
| Document Number | 0000006100 |
|---|---|
| Date | Jan 24, 2023 |
| Instrument | 2023-006100 |
| Name | PARAMOUNT RESIDENTIAL MORTGAGE GROU |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 01, 2053 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 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 | $765,129 (+2%) Land $106,120 Building $659,009 | |
| 2025 | $10,757.00 (+39.61%) | $750,128 (+63.68%) Land $104,040 Building $646,088 |
| 2023 | $7,705.00 (+1.58%) | $458,284 Land $71,012 Building $387,272 |
| 2022 | $7,585.00 |
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 | High above 74% of the US · above 49% of California |
|---|---|
| Wildfire Likelihood | About 1 in 265 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 | 089-600-031-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Building Area | 3,302 sqft Living Area |
| 1st Floor | 1,450 sqft 1st Floor |
| 2nd Floor | 1,852 sqft 2nd Floor |
| Stories | 2 Stories |
| Year Built | Built 2012 |
|---|---|
| Effective Year Built | Effective 2012 |
| Lot Area | 6,688 sqft (0.154 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 574 sqft Garage |
| Street Address | 4020 STEFFA ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-4374 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | T8586 L248 |
| Legal Subdivision | BLACK DIAMOND RANCH SUB 8586 U |
| Legal Tract | 8586 |
| Legal Lot Number | 248 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | ANTIOCH-PITTSBURG |
| Census Blockgroup | 2 |
| Census Block | 2010 |
| Census Tract | 313106 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures