Contra Costa County property record for 51 Aleman Ct, Walnut Creek, CA 94597
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,303 sqft · built 1971 |
| Lot Size | 0.196 acres (8,550 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $283,000 (May 1997) |
| Tax Bill | $7,367 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 171-250-054-3 |
| Primary APN | 171-250-054-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,303 sqft Living Area |
| 1st Floor Area | 1,303 sqft |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1972 |
| Lot Area | 8,550 sqft (0.196 acres) |
| Garage Type | Attached |
| Garage Area | 470 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 51 ALEMAN CT |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94597-2427 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 |
| Legal Description | TRACT 3953 LOT 15 |
| Legal Subdivision | ADAK HOMESITES |
| Legal Tract | 3953 |
| Legal Lot Number | 15 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 340003 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 51 ALEMAN CT, WALNUT CREEK, CA 94597-2427 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 15, 1997 · Amount on File |
| Deed Sale | May 15, 1997 · Amount on File |
| Deed Document Number | 199781021 |
| Last Transfer Date | Jul 28, 2014 |
| Transfer Doc | 0000126210 |
| 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 | Walnut Creek City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $621,522 (+10.11%) Land $265,787 Building $355,735 | |
| 2025 | $7,367.00 (+32.05%) Homeowner's exemption | $564,434 (+29.22%) Land $260,576 Building $303,858 |
| 2023 | $5,579.00 (+0.9%) Homeowner's exemption | $436,789 Land $250,458 Building $186,331 |
| 2022 | $5,529.00 |
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 | Low lower than 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 490 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile.
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