Contra Costa County property record for 405 Westcliffe Pl, Walnut Creek, CA 94597
| Property Type | Common Area (Residential) |
|---|---|
| Lot Size | 1.61 acres (70,278 sqft) |
| Owner | Company Name on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 173-220-036-3 |
| Primary APN | 173-220-036-3 |
|---|---|
| Alternative APN |
|
| Lot Area | 70,278 sqft |
|---|
| Street Address | 405 WESTCLIFFE PL |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94597-3267 |
| Property Category | Other |
| Property Type | Other > Common Area (Residential) |
| Legal Description | TRACT 6344 COMMON AREA LOT 1 |
| Legal Subdivision | WALDEN PARK |
| Legal Tract | 6344 |
| Legal Lot Number | 1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 339004 |
405 Westcliffe Pl is owned by a company.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 405 WESTCLIFFE PL, WALNUT CREEK, CA 94597-3267 |
| Owner Type | Company |
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 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Walnut Creek City |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Walnut Creek Elementary School District (KG - 08) |
FEMA maps place 405 Westcliffe Pl 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 405 Westcliffe Pl is low, with less than 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 93% of the US · lower than 96% 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 535 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Sonic Telecom.
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