Contra Costa County property record for 77 Ambrose Ave, Bay Point, CA 94565
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,296 sqft · built 1942 |
| Lot Size | 0.143 acres (6,240 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $181,000 (Aug 2009) |
| Tax Bill | $1,737 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 093-193-004-4 |
| Primary APN | 093-193-004-4 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,296 sqft Living Area |
| 1st Floor Area | 1,296 sqft |
| Year Built | Built 1942 |
|---|---|
| Effective Year Built | Effective 1942 |
| Lot Area | 6,240 sqft (0.143 acres) |
| Garage Type | Attached |
| Garage Area | 200 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 77 AMBROSE AVE |
|---|---|
| City | BAY POINT |
| State | CA |
| Zip | 94565-3105 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | ENES AMBROSE SUB POR LOT 10 |
| Legal Subdivision | ENES AMBROSE SUB |
| Legal Lot Number | 10 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 314105 |
Source: Contra Costa County assessment roll, 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 | 2 Company Names on File |
|---|---|
| Mailing Address | PO BOX 4952, SAN MATEO, CA 94404-0952 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Aug 25, 2009 · Amount on Record |
| Deed Sale | Aug 25, 2009 · Amount on Record |
| Prior Sale | Aug 18, 2009 · Amount on Record |
| Deed Document Number | 2009204602 |
| Last Transfer Date | Oct 15, 2011 |
| Transfer Doc | 0000247884 |
| Record Updated | Sep 20, 2026 |
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 | $78,982 (+2%) Land $39,491 Building $39,491 | |
| 2025 | $1,737.00 (+7.55%) | $77,434 (+4.04%) Land $38,717 Building $38,717 |
| 2023 | $1,615.00 (+0.44%) | $74,428 Land $37,214 Building $37,214 |
| 2022 | $1,608.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
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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