Contra Costa County property record for 4190 Walnut Blvd, Walnut Creek, CA 94596
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,762 sqft · built 1954 |
| Lot Size | 0.57 acres (24,829 sqft) |
| Owner | Individual Name on File |
| Last Sale | $915,000 (May 2007) |
| Tax Bill | $14,627 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 180-302-016-1 |
| Primary APN | 180-302-016-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,762 sqft Living Area |
| 1st Floor Area | 1,762 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Ranch |
| Lot Area | 24,829 sqft (0.57 acres) |
| Lot Dimensions | 175 ft deep x 123 ft wide |
| Garage Type | Attached |
| Garage Area | 410 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4190 WALNUT BLVD |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94596-5844 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20 |
| Legal Description | WALNUT HEIGHTS POR LOT 10 BLK 3 0.57 AC |
| Legal Subdivision | MAP 02 WALNUT HEIGHTS |
| Legal Block | 3 |
| Legal Lot Number | 10 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 343003 |
4190 Walnut Blvd is owned and occupied by an individual who bought it in May 2007.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4190 WALNUT BLVD, WALNUT CREEK, CA 94596-5844 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
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 |
|---|---|
| Last Sale | May 25, 2007 · Amount on File |
| Deed Sale | May 25, 2007 · Amount on File |
| Prior Sale | Oct 23, 2002 · Amount on File |
| Deed Document Number | 2007153332 |
| Prior Transfer Date | Jan 29, 2002 |
| Prior Transfer Doc | 0000041014 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4190 Walnut Blvd was $14,627.
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 | $1,250,407 (+2%) Land $864,219 Building $386,188 | |
| 2025 | $14,627.00 | $1,225,890 Land $847,274 Building $378,616 |
| 2023 | $14,087.00 (+2.25%) | $1,178,289 Land $814,374 Building $363,915 |
| 2022 | $13,777.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4190 Walnut Blvd in Zone X, an area of minimal flood risk, though there have been 6 flood claims nearby since 1982.
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 |
| Flood Insurance Cost | Premium on File median of 25 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 25 in force |
| Nearby Flood Claims | 6 (1982–2015) |
| Claims Outside the SFHA | 1 of 6 |
| Most Recent Claim | Feb 2015 · rainfall accumulation |
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.
Wildfire risk around 4190 Walnut Blvd is moderate, ranking above 60% of the US, with a 0.2% annual chance of wildfire.
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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