Contra Costa County property record for 51 Mt Alpine Pl, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,807 sqft · built 1971 |
| Lot Size | 0.325 acres (14,170 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $4,610 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-152-019-4 |
| Primary APN | 119-152-019-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 2,807 sqft Living Area |
| 1st Floor Area | 2,191 sqft |
| 2nd Floor Area | 616 sqft |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Cluster |
| Lot Area | 14,170 sqft (0.325 acres) |
| Garage Type | Attached |
| Garage Area | 445 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 51 MT ALPINE PL |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1501 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 3576 LOT 26 EX MR |
| Legal Subdivision | SUBDIVISION 3576 |
| Legal Tract | 3576 |
| Legal Lot Number | 26 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4004 |
| Census Tract | 355306 |
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 | 51 MT ALPINE PL, CLAYTON, CA 94517-1501 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Living Trust |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Mar 29, 2025 |
| Transfer Doc | 0000029620 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Clayton City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $308,298 (+2%) Land $52,935 Building $255,363 | |
| 2025 | $4,610.00 (+5.25%) Homeowner's exemption | $302,254 (+4.04%) Land $51,898 Building $250,356 |
| 2023 | $4,380.00 (+1.88%) Homeowner's exemption | $290,520 Land $49,884 Building $240,636 |
| 2022 | $4,299.00 |
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 69% of the US · above 44% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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 420 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
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