Contra Costa County property record for 912 W 3rd St, Antioch, CA 94509 · Last verified July 2026
| Property Type | Duplex |
|---|---|
| Details | 2 bd · 2 ba · 1,575 sqft · built 1946 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $220,000 (Sep 2015) |
| Tax Bill | $4,030 (2025) |
| Deeds & Mortgages | Apr 2020 Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | 066-104-016-2 |
| Primary APN | 066-104-016-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,575 sqft Living Area |
| 1st Floor Area | 1,575 sqft |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Duplex Single |
| Lot Area | 5,000 sqft (0.115 acres) |
| Street Address | 912 W 3RD ST |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-1153 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | TOWN OF ANTIOCH LOT 10 BLK 12 |
| Legal Subdivision | ANTIOCH |
| Legal Block | 12 |
| Legal Lot Number | 10 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 3 |
| Census Block | 3032 |
| Census Tract | 305000 |
Source: Contra Costa County records · APN 066-104-016-2
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 | 912 W 3RD ST, ANTIOCH, CA 94509-1153 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 23, 2015 · Amount on Record |
| Deed Sale | Sep 23, 2015 · Amount on Record |
| Prior Sale | Apr 19, 2010 |
| Deed Document Number | 2015197491 |
| Prior Transfer Date | Apr 13, 2010 |
| Prior Transfer Doc | 0000076341 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 912 W 3RD ST, ANTIOCH, CA 94509-1153 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000076965 |
|---|---|
| Date | Apr 23, 2020 |
| Instrument | 2020-076965 |
| Name | PLATINUM HOME MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Address | ROLLING MEADOWS, IL 60008 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 01, 2050 |
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 is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $265,634 (+2%) Land $152,740 Building $112,894 | |
| 2025 | $4,030.00 (+6.64%) | $260,427 (+4.04%) Land $149,746 Building $110,681 |
| 2023 | $3,779.00 (+1.29%) | $250,316 Land $143,932 Building $106,384 |
| 2022 | $3,731.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133050003, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone AE |
|---|---|
| Special Flood Hazard Area | Yes |
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 11.0 ft |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Nearby Flood Policies | 5 in force |
| Nearby Flood Claims | 1 (2017) |
| Most Recent Claim | Feb 2017, other causes, Severe Winter Storms, Flooding, And Mudslides |
| 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; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 372 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 |
| Verizon | Fixed Wireless | 300 / 20 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
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