Contra Costa County property record for 1805 Trinity Ct, Antioch, CA 94509 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,510 sqft · built 1972 |
| Lot Size | 0.165 acres (7,200 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $376,000 (May 2016) |
| Tax Bill | $6,144 (2025) |
| Deeds & Mortgages | Mar 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 051-272-016 |
| Primary APN | 051-272-016 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,510 sqft Living Area |
| 1st Floor Area | 1,510 sqft |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1990 |
| Lot Area | 7,200 sqft (0.165 acres) |
| Garage Type | Attached |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 1805 TRINITY CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94509-2131 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 4231 LOT 81 EX MR |
| Legal Subdivision | HILLSDALE SUB 4231 |
| Legal Tract | 4231 |
| Legal Lot Number | 81 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 306002 |
Source: Contra Costa County records · APN 051-272-016
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 | 1805 TRINITY CT, ANTIOCH, CA 94509-2131 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 31, 2016 · Amount on Record |
| Deed Sale | May 31, 2016 · Amount on Record |
| Deed Document Number | 2016105542 |
| Prior Transfer Date | Oct 03, 2000 |
| Prior Transfer Doc | 0000265289 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1805 TRINITY CT, ANTIOCH, CA 94509-2131 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | SYNRGO |
| Name | Verified Name |
|---|
| Document Number | 0000059453 |
|---|---|
| Date | Mar 27, 2020 |
| Instrument | 2020-059453 |
| Name | SUMMIT FUNDING INC |
|---|---|
| Type | Mortgage Company |
| Address | SACRAMENTO, CA 95815 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 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 | $508,123 (+2%) Land $155,458 Building $352,665 | |
| 2025 | $6,144.00 (+5.06%) | $498,160 (+4.04%) Land $152,410 Building $345,750 |
| 2023 | $5,848.00 (+1.62%) | $478,818 Land $146,493 Building $332,325 |
| 2022 | $5,755.00 |
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 631 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 |
| AT&T | DSL | 100 / 20 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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