Contra Costa County property record for 1649 Observation Ct, Antioch, CA 94531
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,888 sqft · built 2002 |
| Lot Size | 0.304 acres (13,246 sqft) |
| Owner | Company Name on Record |
| Last Sale | $720,000 (Dec 2006) |
| Tax Bill | $9,065 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 055-690-010-8 |
| Primary APN | 055-690-010-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 2,888 sqft Living Area |
| 1st Floor Area | 2,888 sqft |
| Year Built | Built 2002 |
|---|---|
| Effective Year Built | Effective 2002 |
| Lot Area | 13,246 sqft (0.304 acres) |
| Garage Type | Attached |
| Garage Area | 630 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 1649 OBSERVATION CT |
|---|---|
| City | ANTIOCH |
| State | CA |
| Zip | 94531-9132 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8525 L1053 |
| Legal Tract | 8525 |
| Legal Lot Number | 1053 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 355119 |
Source: Contra Costa County records, as of July 14, 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 | 1649 OBSERVATION CT, ANTIOCH, CA 94531-9132 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 29, 2006 · Amount on Record |
| Deed Sale | Dec 29, 2006 · Amount on Record |
| Prior Sale | Sep 13, 2002 · Amount on Record |
| Deed Document Number | 2006415690 |
| Last Transfer Date | Jan 5, 2016 |
| Transfer Doc | 0000001582 |
| Record Updated | Oct 29, 2026 |
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 | $759,000 (-3.68%) Land $270,957 Building $488,043 | |
| 2025 | $9,065.00 (+7.69%) | $788,000 (+5.99%) Land $281,000 Building $507,000 |
| 2023 | $8,418.00 (-0.21%) | $743,500 Land $265,424 Building $478,076 |
| 2022 | $8,436.00 |
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 |
|---|---|
| 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 | Moderate above 51% of the US · lower than 69% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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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