Contra Costa County property record for 810 W 6th St, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 862 sqft · built 1955 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $430,000 (Mar 2022) |
| Tax Bill | $5,317 (2025) |
| Deeds & Mortgages | Mar 2022 Sale & Mortgage Dec 2021 Sale & Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 066-136-009-9 |
| Primary APN | 066-136-009-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 862 sqft Living Area |
| 1st Floor Area | 862 sqft |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Type | Attached |
| Garage Area | 286 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 810 W 6TH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-1555 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R3 |
| Legal Description | TOWN OF ANTIOCH LOT 10 BLK 34 |
| Legal Subdivision | TOWNSITE/ANTIOCH |
| Legal Block | 34 |
| Legal Lot Number | 10 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 5 |
| Census Block | 5002 |
| Census Tract | 305000 |
810 W 6th St is owned and occupied by an individual who bought it in March 2022.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 810 W 6TH ST, ANTIOCH, CA 94509-1555 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Mar 29, 2022 | Grant Deed, Transfer · Conventional Mortgage NEW WAVE LENDING GROUP INC |
| Dec 14, 2021 | Grant Deed, Transfer · FHA Mortgage SUMMIT FUNDING INC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 29, 2022 · Amount on File |
| Deed Sale | Mar 29, 2022 · Amount on File |
| Prior Sale | Dec 14, 2021 · Amount on File |
| Deed Document Number | 202254088 |
| Prior Transfer Date | Dec 14, 1995 |
| Prior Transfer Doc | 0000222702 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 29, 2022 |
| Property Address | 810 W 6TH ST, ANTIOCH, CA 94509-1555 |
| Document Number | 0000054088 |
| Instrument Date | Mar 23, 2022 |
| Instrument | 2022-054088 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| 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 | 810 W 6TH ST, ANTIOCH, CA 94509-1555 |
| Document Number | 0000054089 |
|---|---|
| Date | Mar 29, 2022 |
| Instrument | 2022-054089 |
| Name | NEW WAVE LENDING GROUP INC |
|---|---|
| Type | Non-Lending Institution |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2052 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 14, 2021 |
| Property Address | 810 W 6TH ST, ANTIOCH, CA 94509-1555 |
| Document Number | 0000337576 |
| Map Reference | MB C PG 48 |
| Instrument Date | Dec 7, 2021 |
| Instrument | 2021-337576 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| 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 | 810 W 6TH ST, ANTIOCH, CA 94509-1555 |
| Document Number | 0000337577 |
|---|---|
| Date | Dec 14, 2021 |
| Instrument | 2021-337577 |
| Name | SUMMIT FUNDING INC |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2052 |
The 2025 property tax bill for 810 W 6th St was $5,317 with a homeowner's exemption.
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 | $431,000 (-) Land $261,000 Building $170,000 | |
| 2025 | $5,317.00 Homeowner's exemption | $431,000 Land $260,605 Building $170,395 |
| 2023 | $4,548.00 (-8.69%) Homeowner's exemption | $369,000 Land $223,000 Building $146,000 |
| 2022 | $4,981.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 810 W 6th St in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File 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.
The area around 810 W 6th St has no burnable land within ember reach, so its wildfire risk is not rated.
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.
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