Contra Costa County property record for 1004 W 8th St, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 948 sqft · built 1930 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $450,000 (Jun 2022) |
| Tax Bill | $5,908 (2025) |
| Deeds & Mortgages | Jun 2022 Second Mortgage Jun 2022 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 066-211-012-1 |
| Primary APN | 066-211-012-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 948 sqft Living Area |
| 1st Floor Area | 948 sqft |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Garage Type | Attached |
| Garage Area | 276 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 1004 W 8TH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-1508 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TOWN OF ANTIOCH LOT 11 BLK 75 |
| Legal Subdivision | ANTIOCH |
| Legal Block | 75 |
| Legal Lot Number | 11 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 5 |
| Census Block | 5018 |
| Census Tract | 305000 |
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 | 1004 W 8TH ST, ANTIOCH, CA 94509-1508 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Jun 6, 2022 | Intrafamily Transfer, Transfer · Stand-Alone Second Mortgage GUARANTEED RATE INC |
| Jun 6, 2022 | Grant Deed, Transfer · Conventional Mortgage GUARANTEED RATE INC |
| Jan 26, 2022 | Grant Deed, Transfer · Commercial Mortgage IRON BRIDGE MORTGAGE FUND LLC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 6, 2022 · Amount on Record |
| Deed Sale | Jun 6, 2022 · Amount on Record |
| Prior Sale | Jan 26, 2022 · Amount on Record |
| Deed Document Number | 202294875 |
| Prior Transfer Date | Sep 5, 2011 |
| Prior Transfer Doc | 0000184539 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 6, 2022 |
| Property Address | 1004 W 8TH ST, ANTIOCH, CA 94509-1508 |
| Document Number | 0000094876 |
| Instrument Date | Jun 2, 2022 |
| Instrument | 2022-094876 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | WFG NATIONAL TITLE INS CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1004 W 8TH ST, ANTIOCH, CA 94509-1508 |
| Document Number | 0000094878 |
|---|---|
| Date | Jun 6, 2022 |
| Instrument | 2022-094878 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Mortgage Company |
| Address | CHICAGO, IL 60613 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 362 Months |
| Due | Jul 31, 2052 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 6, 2022 |
| Property Address | 1004 W 8TH ST, ANTIOCH, CA 94509-1508 |
| Document Number | 0000094875 |
| Instrument Date | Jun 1, 2022 |
| Instrument | 2022-094875 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | TWFG NATIONAL TITLE INSURANCE COMPANY, WFG NATIONAL TITLE INS CO |
| 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 | 1004 W 8TH ST, ANTIOCH, CA 94509-1508 |
| Document Number | 0000094877 |
|---|---|
| Date | Jun 6, 2022 |
| Instrument | 2022-094877 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 1, 2052 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 26, 2022 |
| Property Address | 1004 W 8TH ST, ANTIOCH, CA 94509-1508 |
| Document Number | 0000016196 |
| Instrument Date | Jan 25, 2022 |
| Instrument | 2022-016196 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | TWFG NATIONAL TITLE INSURANCE COMPANY, WFG NATIONAL TITLE INS CO |
| 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 | 1105 EUROPENA DR, BRENTWOOD, CA 94513-5175 |
| Document Number | 0000016197 |
|---|---|
| Date | Jan 26, 2022 |
| Instrument | 2022-016197 |
| Name | IRON BRIDGE MORTGAGE FUND LLC |
|---|---|
| Type | Mortgage Company |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 12 Months |
| Due | Jan 26, 2023 |
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 | $487,093 (+2%) Land $281,432 Building $205,661 | |
| 2025 | $5,908.00 (+19.28%) | $477,543 (+19.68%) Land $275,914 Building $201,629 |
| 2023 | $4,953.00 (+132.97%) | $399,000 Land $231,000 Building $168,000 |
| 2022 | $2,126.00 |
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 372 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
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