Contra Costa County property record for 1017 C St, Antioch, CA 94509 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,619 sqft · built 1956 |
| Lot Size | 0.218 acres (9,500 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $585,000 (Apr 2024) |
| Tax Bill | $7,247 (2025) |
| Deeds & Mortgages | Apr 2024 Sale & Mortgage Nov 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 067-092-018 |
| Primary APN | 067-092-018 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,619 sqft Living Area |
| 1st Floor Area | 1,619 sqft |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1971 |
| Lot Area | 9,500 sqft (0.218 acres) |
| Garage Type | Attached |
| Garage Area | 470 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 1017 C ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2307 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | WILLS ADDN LOT 15 SUBN 12 |
| Legal Subdivision | WILLS ADD |
| Legal Lot Number | 15 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 306003 |
Source: Contra Costa County records · APN 067-092-018
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1017 C ST, ANTIOCH, CA 94509-2307 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Apr 19, 2024 | Grant Deed, Transfer · FHA Mortgage HOME MORTGAGE ALLIANCE CORP |
| Nov 07, 2023 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Apr 19, 2024 · Amount on Record |
| Deed Sale | Apr 19, 2024 · Amount on Record |
| Prior Sale | Apr 26, 1996 · Amount on Record |
| Deed Document Number | 202436684 |
| Prior Transfer Date | Nov 07, 2023 |
| Prior Transfer Doc | 0000120196 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 19, 2024 |
| Property Address | 1017 C ST, ANTIOCH, CA 94509-2307 |
| Document Number | 0000036684 |
| Map Reference | MB B PG 29 |
| Instrument Date | Apr 17, 2024 |
| Instrument | 2024-036684 |
| Transaction Type | Transfer |
| Record Updated | May 02, 2024 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 1017 C ST, ANTIOCH, CA 94509-2307 |
| Document Number | 0000036685 |
|---|---|
| Date | Apr 19, 2024 |
| Instrument | 2024-036685 |
| Name | HOME MORTGAGE ALLIANCE CORP |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 01, 2054 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 07, 2023 |
| Property Address | 1017 C ST, ANTIOCH, CA 94509-2307 |
| Document Number | 0000120196 |
| Map Reference | MB B PG 29 |
| Instrument Date | Nov 07, 2023 |
| Instrument | 2023-120196 |
| Transaction Type | Transfer |
| Record Updated | Nov 16, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 1017 C ST, ANTIOCH, CA 94509-2307 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Antioch City |
| Unified School District | Antioch Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $608,633 (+2%) Land $305,877 Building $302,756 | |
| 2025 | $7,247.00 (+160.97%) | $596,700 (+183.75%) Land $299,880 Building $296,820 |
| 2023 | $2,777.00 (+1.46%) Homeowner's exemption | $210,288 Land $75,432 Building $134,856 |
| 2022 | $2,737.00 |
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 |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 593 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Unwired | Fixed Wireless | 300 / 25 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: AT&T, Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
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