Contra Costa County property record for 4407 Winterberry Ct, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,917 sqft · built 1975 |
| Lot Size | 0.124 acres (5,400 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $2,322 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 133-300-036 |
| Primary APN | 133-300-036 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 1,917 sqft Living Area |
| 1st Floor Area | 1,917 sqft |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1986 |
| Architectural Style | Cluster |
| Lot Area | 5,400 sqft (0.124 acres) |
| Garage Type | Attached |
| Garage Area | 437 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4407 WINTERBERRY CT |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-4332 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PD |
| Legal Description | TRACT 3939 LOT 383 EX MR |
| Legal Subdivision | THE CROSSINGS |
| Legal Tract | 3939 |
| Legal Lot Number | 383 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 334006 |
4407 Winterberry Ct is owned and occupied by two individuals who acquired it in October 2001.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4407 WINTERBERRY CT, CONCORD, CA 94521-4332 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Transfer Date | Oct 10, 2001 |
| Transfer Doc | 0000320146 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 4407 Winterberry Ct was $2,322 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 | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $134,278 (+2%) Land $38,447 Building $95,831 | |
| 2025 | $2,322.00 Homeowner's exemption | $131,646 Land $37,694 Building $93,952 |
| 2023 | $2,175.00 (+2.69%) Homeowner's exemption | $126,535 Land $36,231 Building $90,304 |
| 2022 | $2,118.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4407 Winterberry Ct in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 4407 Winterberry Ct is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 669 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
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