Contra Costa County property record for 4155 Walnut Blvd, Walnut Creek, CA 94596
| Property Type | Recreational Vacant Land |
|---|---|
| Details | 4 bd · 3 ba · 3,004 sqft · built 1935 |
| Lot Size | 3.12 acres (136,080 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $50,073 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 180-190-027-3 |
| Primary APN | 180-190-027-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 14 Rooms |
| Stories | 1 Story |
| Building Area | 3,004 sqft Gross Area |
| 1st Floor Area | 3,004 sqft |
| Year Built | Built 1935 |
|---|---|
| Effective Year Built | Effective 1935 |
| Lot Area | 136,080 sqft |
| Garage Type | Attached |
| Garage Area | 560 sqft |
| Street Address | 4155 WALNUT BLVD |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94596-5834 |
| Property Category | Public Works |
| Property Type | Public Works > Recreational Vacant Land |
| Local Zoning Code | R20 |
| Legal Description | WALNUT HTS POR LOT 4 BLK 4 |
| Legal Subdivision | WALNUT HEIGHTS MAP 02 |
| Legal Block | 4 |
| Legal Lot Number | 4 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 343001 |
Source: Contra Costa County records, 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 Individual Names on Record |
|---|---|
| Mailing Address | 30 ALOYSE CT, WALNUT CREEK, CA 94596-5776 |
| Owner Type | Individual |
| Vesting | Tenants in Common |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 14, 2006 |
| Deed Sale | Apr 14, 2006 |
| Deed Document Number | 2006116402 |
| Prior Transfer Date | May 1, 1997 |
| Prior Transfer Doc | 0000118731 |
| Record Updated | Oct 29, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Walnut Creek Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $4,530,231 (+2%) Land $4,530,231 | |
| 2025 | $50,073.00 (+3.74%) | $4,441,403 (+4.04%) Land $4,441,403 |
| 2023 | $48,270.00 (+1.66%) | $4,268,939 Land $4,268,939 |
| 2022 | $47,480.00 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 60% of the US · lower than 64% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 238 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks.
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