Contra Costa County property record for 508 Graphite Ct, Antioch, CA 94509
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,454 sqft · built 1999 |
| Lot Size | 0.333 acres (14,512 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $276,000 (Jul 2000) |
| Tax Bill | $5,044 (2025) |
| Deeds & Mortgages | Mar 2024 Line of Credit Jan 2024 Line of Credit + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 068-640-003-7 |
| Primary APN | 068-640-003-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,454 sqft Living Area |
| 1st Floor Area | 1,209 sqft |
| 2nd Floor Area | 1,245 sqft |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 2000 |
| Lot Area | 14,512 sqft (0.333 acres) |
| Garage Type | Attached |
| Garage Area | 599 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 508 GRAPHITE CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-6862 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8102 L247 |
| Legal Subdivision | SUBDIVISION 8102 |
| Legal Tract | 8102 |
| Legal Lot Number | 247 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 355109 |
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 | 508 GRAPHITE CT, ANTIOCH, CA 94509-6862 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Mar 14, 2024 | Deed of Trust, Mortgage · Line of Credit FREMONT BANK |
| Jan 16, 2024 | Deed of Trust, Mortgage · Line of Credit FREMONT BANK |
| Apr 20, 2022 | Intrafamily Transfer, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 12, 2000 · Amount on Record |
| Deed Sale | Jul 12, 2000 · Amount on Record |
| Deed Document Number | 2000146248 |
| Last Transfer Date | May 16, 2011 |
| Transfer Doc | 0000104296 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 508 GRAPHITE CT, ANTIOCH, CA 94509-6862 |
| Transaction Type | Mortgage |
| Record Updated | Mar 25, 2024 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 508 GRAPHITE CT, ANTIOCH, CA 94509-6862 |
| Document Number | 0000023646 |
|---|---|
| Date | Mar 14, 2024 |
| Instrument | 2024-023646 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Mar 20, 2054 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 508 GRAPHITE CT, ANTIOCH, CA 94509-6862 |
| Transaction Type | Mortgage |
| Record Updated | Jan 25, 2024 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 508 GRAPHITE CT, ANTIOCH, CA 94509-6862 |
| Document Number | 0000004438 |
|---|---|
| Date | Jan 16, 2024 |
| Instrument | 2024-004438 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Address | LIVERMORE, CA 94551 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 20, 2054 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 20, 2022 |
| Property Address | 508 GRAPHITE CT, ANTIOCH, CA 94509-6862 |
| Document Number | 0000068862 |
| Map Reference | MB 415 PG 28 |
| Instrument Date | Apr 20, 2022 |
| Instrument | 2022-068862 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 508 GRAPHITE CT, ANTIOCH, CA 94509-6862 |
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 | $430,830 (+2%) Land $84,520 Building $346,310 | |
| 2025 | $5,044.00 (+6.28%) Homeowner's exemption | $422,383 (+4.04%) Land $82,863 Building $339,520 |
| 2023 | $4,746.00 (+1.58%) Homeowner's exemption | $405,984 Land $79,647 Building $326,337 |
| 2022 | $4,672.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 645 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T DSL | 100 / 20 |
May also be available: Verizon.
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