Contra Costa County property record for 1017 H St, Antioch, CA 94509
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 19,472 sqft · built 1970 |
| Lot Size | 0.657 acres (28,600 sqft) |
| Owner | Company Name on Record |
| Last Sale | $2,050,000 (May 2013) |
| Tax Bill | $41,171 (2025) |
| Deeds & Mortgages | Jan 2023 Mortgage May 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 067-050-016-4 |
| Primary APN | 067-050-016-4 |
|---|---|
| Alternative APN |
|
| Total Rooms | 24 Rooms |
|---|---|
| Stories | 1 Story |
| Building Area | 19,472 sqft Living Area |
| 1st Floor Area | 19,472 sqft |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1970 |
| Lot Area | 28,600 sqft (0.657 acres) |
| Street Address | 1017 H ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-1674 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Legal Description | RO LOS MEDANOS 143 FT X 200 FT |
| Legal Subdivision | LOS MEDANOS RHO |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 4 |
| Census Block | 4012 |
| Census Tract | 305000 |
Source: Contra Costa County records, as of October 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 360 GRAND AVE, OAKLAND, CA 94610-4840 |
| Owner Type | Company |
| Vesting | Company |
| Date | Document |
|---|---|
| Jan 31, 2023 | Deed of Trust, Mortgage · Commercial Mortgage MECHANICS BANK |
| May 1, 2020 | Deed of Trust, Mortgage FARMERS & MERCHANTS NAT'L BK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | May 9, 2013 · Amount on Record |
| Deed Sale | May 9, 2013 · Amount on Record |
| Prior Sale | May 21, 2003 · Amount on Record |
| Deed Document Number | 2013115874 |
| Prior Transfer Date | Jan 30, 2001 |
| Prior Transfer Doc | 0000030266 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1017 H ST, ANTIOCH, CA 94509-1674 |
| Transaction Type | Mortgage |
| Record Updated | Feb 7, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 360 GRAND AVE 340, 340, OAKLAND, CA 94610-4840 |
| Document Number | 0000008169 |
|---|---|
| Date | Jan 31, 2023 |
| Instrument | 2023-008169 |
| Name | MECHANICS BANK |
|---|---|
| Type | Bank |
| Address | WALNUT CREEK, CA 94596 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1017 H ST, ANTIOCH, CA 94509-1674 |
| Document Number | 0000090249 |
| Instrument Date | May 1, 2020 |
| Transaction Type | Mortgage |
| Record Updated | May 22, 2020 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 1405 OAKLAND CA OAKLAND CA 94612, OAKLAND, CA 94612 |
| Document Number | 0000090249 |
|---|---|
| Date | May 13, 2020 |
| Instrument | 90249 |
| Name | FARMERS & MERCHANTS NAT'L BK |
|---|---|
| Type | Bank |
| Address | PO BOX 1775, LODI, CA 95241-1775 |
| Amount | Amount Recorded |
|---|
| Rate Type | Adjustable Rate |
|---|
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 | $2,558,709 (+1.89%) Land $763,677 Building $1,795,032 | |
| 2025 | $41,171.00 (+7.09%) | $2,511,338 (+4.03%) Land $748,703 Building $1,762,635 |
| 2023 | $38,447.00 (+1.24%) | $2,414,101 Land $719,631 Building $1,694,470 |
| 2022 | $37,975.00 |
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 |
| Nearby Flood Policies | 5 in force |
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 605 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, 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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