Contra Costa County property record for 101 W 5th St, Antioch, CA 94509
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2 ba · 1,530 sqft · built 1906 |
| Lot Size | 0.23 acres (10,000 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $3,639 (2025) |
| Deeds & Mortgages | Mar 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 066-156-012-8 |
| Primary APN | 066-156-012-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,530 sqft Living Area |
| 1st Floor Area | 1,530 sqft |
| Year Built | Built 1906 |
|---|---|
| Effective Year Built | Effective 1925 |
| Architectural Style | Duplex Single |
| Lot Area | 10,000 sqft (0.23 acres) |
| Garage Type | Attached |
| Garage Area | 380 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 101 W 5TH ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-1227 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R1 |
| Legal Description | TOWN OF ANTIOCH LOTS 1 & 2 BLK 100 |
| Legal Subdivision | TOWN ANTIOCH |
| Legal Block | 100 |
| Legal Lot Number | 1,2 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 305000 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 412 B ST, ANTIOCH, CA 94509-1201 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Oct 19, 2016 |
| Transfer Doc | 0000250061 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 101 W 5TH ST, ANTIOCH, CA 94509-1227 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE |
| Name | Verified Name |
|---|---|
| Address | 412 B ST, ANTIOCH, CA 94509-1201 |
| Document Number | 0000066435 |
|---|---|
| Date | Mar 4, 2021 |
| Instrument | 2021-066435 |
| Name | LENDUS LLC |
|---|---|
| Type | Mortgage Company |
| Address | ALAMO, CA 94507 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Mar 1, 2051 |
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 | $229,937 (+2%) Land $194,267 Building $35,670 | |
| 2025 | $3,639.00 (+6.87%) | $225,429 (+4.04%) Land $190,458 Building $34,971 |
| 2023 | $3,405.00 (+1.25%) | $216,677 Land $183,063 Building $33,614 |
| 2022 | $3,363.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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 | 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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