Contra Costa County property record for 421 Wimbledon Rd, Walnut Creek, CA 94598
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2 ba · 2,870 sqft · built 1972 |
| Lot Size | 0.251 acres (10,925 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $2,928 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 143-061-001-2 |
| Primary APN | 143-061-001-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 2,870 sqft Living Area |
| 1st Floor Area | 2,091 sqft |
| 2nd Floor Area | 779 sqft |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Lot Area | 10,925 sqft (0.251 acres) |
| Garage Type | Attached |
| Garage Area | 461 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 421 WIMBLEDON RD |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94598-2339 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10 |
| Legal Description | TRACT 3699 LOT 18 |
| Legal Subdivision | WALNUT CREEK |
| Legal Tract | 3699 |
| Legal Lot Number | 18 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2022 |
| Census Tract | 338201 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 421 WIMBLEDON RD, WALNUT CREEK, CA 94598-2339 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| 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 |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $202,030 (+2%) Land $43,433 Building $158,597 | |
| 2025 | $2,928.00 (+4.95%) Homeowner's exemption | $198,070 (+4.04%) Land $42,582 Building $155,488 |
| 2023 | $2,790.00 (+0.94%) Homeowner's exemption | $190,381 Land $40,930 Building $149,451 |
| 2022 | $2,764.00 |
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 |
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 | Not rated no burnable land within 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 | 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 369 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 |
| AT&T DSL | 100 / 20 |
May also be available: Etheric Networks, Sonic Telecom, T-Mobile.
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