Contra Costa County property record for 3140 Hudson Ave, Walnut Creek, CA 94597
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,583 sqft · built 1949 |
| Lot Size | 0.279 acres (12,150 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,300 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 170-121-015-3 |
| Primary APN | 170-121-015-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,583 sqft Living Area |
| 1st Floor Area | 1,583 sqft |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1952 |
| Lot Area | 12,150 sqft (0.279 acres) |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3140 HUDSON AVE |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94597-1825 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R8 |
| Legal Description | EL DORADO PARK #2 LOT 118 |
| Legal Subdivision | EL DORADO PARK #2 |
| Legal Lot Number | 118 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 340001 |
Source: Contra Costa County assessment roll, 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 File |
|---|---|
| Mailing Address | 3140 HUDSON AVE, WALNUT CREEK, CA 94597-1825 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names 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 | $137,705 (+2%) Land $65,074 Building $72,631 | |
| 2025 | $2,300.00 (+5.12%) Homeowner's exemption | $135,006 (+4.04%) Land $63,799 Building $71,207 |
| 2023 | $2,188.00 (+0.92%) Homeowner's exemption | $129,766 Land $61,323 Building $68,443 |
| 2022 | $2,168.00 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 15 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 4 (1997–2022) |
| Claims Outside the SFHA | 2 of 4 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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 486 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Cable · Fiber in parts of the area | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Sonic Telecom.
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