Contra Costa County property record for 2343 Winchester Loop, Discovery Bay, CA 94505
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,225 sqft · built 2003 |
| Lot Size | 0.177 acres (7,700 sqft) |
| Owner | Company Name on Record |
| Last Sale | $383,000 (Oct 2003) |
| Tax Bill | $4,928 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 011-400-071-4 |
| Primary APN | 011-400-071-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,225 sqft Living Area |
| 1st Floor Area | 2,225 sqft |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Cluster |
| Lot Area | 7,700 sqft (0.177 acres) |
| View / Lot | Lake |
| Garage Type | Attached |
| Garage Area | 565 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 2343 WINCHESTER LOOP |
|---|---|
| City | DISCOVERY BAY |
| State | CA |
| Zip | 94505-1856 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | T8023 L71 |
| Legal Subdivision | SUBDIVISION 8023 |
| Legal Tract | 8023 |
| Legal Lot Number | 71 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3012 |
| Census Tract | 304007 |
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 | 2343 WINCHESTER LOOP, DISCOVERY BAY, CA 94505-1856 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 9, 2003 · Amount on Record |
| Deed Sale | Oct 9, 2003 · Amount on Record |
| Deed Document Number | 2003505083 |
| Last Transfer Date | May 16, 2024 |
| Transfer Doc | 0000051139 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Elementary School District | Byron Union Elementary School District (KG - 08) |
| Secondary School District | Liberty Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $262,557 (+2%) Land $97,602 Building $164,955 | |
| 2025 | $4,928.00 (+8.26%) Homeowner's exemption | $257,410 (+4.04%) Land $95,689 Building $161,721 |
| 2023 | $4,552.00 (+1.74%) Homeowner's exemption | $247,416 Land $91,974 Building $155,442 |
| 2022 | $4,474.00 |
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 6 (20% 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 | Low lower than 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 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 | TOWN OF DISCOVERY BAY serves 16,790 people · EPA ID CA0710009 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2023 |
| 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.
Source: FCC Broadband Data Collection, based on 483 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: Verizon.
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