Contra Costa County property record for 1872 Mt Conness Way, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,364 sqft · built 1999 |
| Lot Size | 0.158 acres (6,875 sqft) |
| Owner | Individual Name on File |
| Last Sale | $410,000 (Nov 2007) |
| Tax Bill | $6,354 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 055-480-021-9 |
| Primary APN | 055-480-021-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 2,364 sqft Living Area |
| 1st Floor Area | 1,273 sqft |
| 2nd Floor Area | 1,091 sqft |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 2000 |
| Lot Area | 6,875 sqft (0.158 acres) |
| Garage Type | Attached |
| Garage Area | 485 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 1872 MOUNT CONNESS WAY |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-7493 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8181 L501 |
| Legal Tract | 8181 |
| Legal Lot Number | 501 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 355120 |
1872 Mt Conness Way is owned and occupied by an individual who bought it in November 2007.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1872 MOUNT CONNESS WAY, ANTIOCH, CA 94531-7493 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 21, 2007 · Amount on File |
| Deed Sale | Nov 21, 2007 · Amount on File |
| Prior Sale | Jun 28, 2007 · Amount on File |
| Deed Document Number | 2007320890 |
| Prior Transfer Date | Nov 16, 2007 |
| Prior Transfer Doc | 0000320891 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1872 Mt Conness Way was $6,354 with a homeowner's exemption.
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 | $559,479 (+2%) Land $160,764 Building $398,715 | |
| 2025 | $6,354.00 Homeowner's exemption | $548,510 Land $157,612 Building $390,898 |
| 2023 | $5,985.00 (+1.61%) Homeowner's exemption | $527,213 Land $151,493 Building $375,720 |
| 2022 | $5,890.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1872 Mt Conness Way in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 1872 Mt Conness Way is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond 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 611 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: T-Mobile, Unwired.
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