Contra Costa County property record for 161 Marys Ave, Bay Point, CA 94565
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 796 sqft · built 1943 |
| Lot Size | 0.2 acres (8,700 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $2,076 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 093-034-037-7 |
| Primary APN | 093-034-037-7 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 796 sqft Living Area |
| 1st Floor Area | 796 sqft |
| Year Built | Built 1943 |
|---|---|
| Effective Year Built | Effective 1943 |
| Architectural Style | Traditional |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 8,700 sqft (0.2 acres) |
| Lot Dimensions | 174 ft deep x 50 ft wide |
| Garage Type | Attached |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Evaporative |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 161 MARYS AVE |
|---|---|
| City | BAY POINT |
| State | CA |
| Zip | 94565-3131 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | ENES AMBROSE #3 POR LOT 48 |
| Legal Subdivision | ENEA AMBROSE 03 |
| Legal Lot Number | 48 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 314105 |
161 Marys Ave is owned and occupied by an individual.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 161 MARYS AVE, BAY POINT, CA 94565-3131 |
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 161 Marys Ave was $2,076 with a homeowner's exemption.
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 | $116,592 (+2%) Land $55,913 Building $60,679 | |
| 2025 | $2,076.00 Homeowner's exemption | $114,307 Land $54,817 Building $59,490 |
| 2023 | $1,939.00 (+0.62%) Homeowner's exemption | $109,871 Land $52,690 Building $57,181 |
| 2022 | $1,927.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 161 Marys Ave 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 161 Marys Ave is low, with a 0.01% 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 | 0.01% 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 610 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
May also be available: AT&T, Unwired, Verizon.
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