Contra Costa County property record for 321 Margaret Ct, Bay Point, CA 94565
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,885 sqft · built 1986 |
| Lot Size | 0.145 acres (6,300 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $3,870 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 098-461-005-5 |
| Primary APN | 098-461-005-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,885 sqft Living Area |
| Gross Area | 2,324 sqft |
| 1st Floor Area | 926 sqft |
| 2nd Floor Area | 959 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1987 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Roof Material | Composition Shingle |
| Lot Area | 6,300 sqft (0.145 acres) |
| Lot Dimensions | 105 ft deep x 60 ft wide |
| Garage Type | Attached |
| Garage Area | 439 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 321 MARGARET CT |
|---|---|
| City | BAY POINT |
| State | CA |
| Zip | 94565-3055 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | T5430 L5 |
| Legal Subdivision | MAP/5430 |
| Legal Tract | 5430 |
| Legal Lot Number | 5 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 314200 |
321 Margaret Ct is owned by a company that acquired it in June 2025.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 321 MARGARET CT, BAY POINT, CA 94565-3055 |
| Owner Type | Company |
| Vesting | Life Tenant |
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 | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jun 27, 2025 |
| Transfer Doc | 0000065979 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 321 Margaret Ct was $3,870.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $282,659 (+2%) Land $56,933 Building $225,726 | |
| 2025 | $3,870.00 Homeowner's exemption | $277,117 Land $55,817 Building $221,300 |
| 2023 | $3,667.00 (+0.71%) Homeowner's exemption | $266,357 Land $53,650 Building $212,707 |
| 2022 | $3,641.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 321 Margaret Ct 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 321 Margaret Ct is moderate, ranking above 40% of the US, with a 0.06% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 40% of the US · lower than 76% of California |
|---|---|
| Wildfire Likelihood | 0.06% 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 | GOLDEN STATE WATER COMPANY - BAY POINT private · serves 23,765 people · EPA ID CA0710002 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jun 2023 |
| Lead | Under 1 ppb (2024–2026) 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 445 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
May also be available: AT&T, Unwired, Verizon.
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