Contra Costa County property record for 601 W 6th St, Antioch, CA 94509
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 4,044 sqft · built 1997 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $820,000 (Jan 2016) |
| Tax Bill | $13,124 (2025) |
| Deeds & Mortgages | May 2021 Transfer May 2021 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 066-192-011-6 |
| Primary APN | 066-192-011-6 |
|---|---|
| Alternative APN |
|
| Total Rooms | 5 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 4,044 sqft Living Area |
| 1st Floor Area | 4,044 sqft |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1998 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Street Address | 601 W 6TH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-1682 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Legal Description | TOWN OF ANTIOCH LOT 1 BLK 53 |
| Legal Subdivision | ANTIOCH |
| Legal Block | 53 |
| Legal Lot Number | 1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 5 |
| Census Block | 5023 |
| Census Tract | 305000 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 1435 HUNTINGTON AVE, 100, SOUTH SAN FRANCISCO, CA 94080-5966 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| May 21, 2021 | Quit Claim Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| May 21, 2021 | Quit Claim Deed, Transfer · Stand-Alone Refinance PROVIDENT SAVINGS BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 27, 2016 · Amount on Record |
| Deed Sale | Jan 27, 2016 · Amount on Record |
| Prior Sale | May 31, 2005 |
| Deed Document Number | 201615318 |
| Last Transfer Date | May 12, 2021 |
| Transfer Doc | 0000151742 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 21, 2021 |
| Property Address | 601 W 6TH ST, ANTIOCH, CA 94509-1682 |
| Document Number | 0000151742 |
| Instrument Date | May 12, 2021 |
| Instrument | 2021-151742 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1480 MORAGA RD # C-197, C, MORAGA, CA 94556-2005 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 21, 2021 |
| Property Address | 601 W 6TH ST, ANTIOCH, CA 94509-1682 |
| Document Number | 0000151743 |
| Instrument Date | May 12, 2021 |
| Instrument | 2021-151743 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1480 MORAGA RD # C-197, C, MORAGA, CA 94556-2005 |
| Document Number | 0000151744 |
|---|---|
| Date | May 21, 2021 |
| Instrument | 2021-151744 |
| Name | PROVIDENT SAVINGS BANK |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2051 |
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 | $926,328 (-0.02%) Land $275,000 Building $651,328 | |
| 2025 | $13,124.00 (-13.16%) | $926,515 (-18.49%) Land $275,000 Building $651,515 |
| 2023 | $15,112.00 (+1.46%) | $1,136,666 Land $343,332 Building $793,334 |
| 2022 | $14,894.00 |
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 |
| Flood Insurance Cost | Premium on Record median of 16 policies |
| Nearby Flood Policies | 16 in force |
| Nearby Flood Claims | 47 (1982–2022) |
| Claims Outside the SFHA | 15 of 47 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
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 | Not rated no burnable land within ember reach |
|---|
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 374 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 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: T-Mobile, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures