Contra Costa County property record for 686 la Corso Dr, Walnut Creek, CA 94598
| Property Type | Townhouse |
|---|---|
| Details | 2 bd · 2 ba · 1,287 sqft · built 1976 |
| Lot Size | 0.057 acres (2,465 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $4,074 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 144-220-003-4 |
| Primary APN | 144-220-003-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,287 sqft Living Area |
| 1st Floor Area | 1,287 sqft |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1977 |
| Architectural Style | Townhouse |
| Lot Area | 2,465 sqft (0.057 acres) |
| Garage Type | Attached |
| Garage Area | 450 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 686 LA CORSO DR |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94598-2217 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | TRACT 4670 LOT 3 |
| Legal Subdivision | BANCROFT VILLAGE SUBDIVISION 4670 |
| Legal Tract | 4670 |
| Legal Lot Number | 3 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 338204 |
686 la Corso Dr, a townhouse, is owner-occupied and held in a trust since October 2007.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 686 LA CORSO DR, WALNUT CREEK, CA 94598-2217 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 Transfer Date | Oct 15, 2007 |
| Transfer Doc | 0000294779 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 686 la Corso Dr was $4,074 with a homeowner's exemption.
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 | $309,089 (+2%) Land $117,697 Building $191,392 | |
| 2025 | $4,074.00 Homeowner's exemption | $303,030 Land $115,390 Building $187,640 |
| 2023 | $3,895.00 (+0.93%) Homeowner's exemption | $291,264 Land $110,910 Building $180,354 |
| 2022 | $3,859.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 686 la Corso Dr in Zone X, an area of minimal flood risk.
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 | 1 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.
Wildfire risk around 686 la Corso Dr 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 99.1% of the US · lower than 99.2% 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 | 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 349 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Etheric Networks, T-Mobile, Verizon.
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