Contra Costa County property record for 4423 Winterberry Ct, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,641 sqft · built 1975 |
| Lot Size | 0.131 acres (5,700 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $670,000 (Jun 2017) |
| Tax Bill | $9,516 (2025) |
| Deeds & Mortgages | Oct 2023 Second Mortgage May 2021 Mortgage + 4 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 133-300-108-7 |
| Primary APN | 133-300-108-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,641 sqft Living Area |
| Gross Area | 2,061 sqft |
| 1st Floor Area | 1,641 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Wood Shingle |
| Lot Area | 5,700 sqft (0.131 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4423 WINTERBERRY CT |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-4332 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PD |
| Legal Description | PARCEL MAP 36 PG 39 PCL D EX MR |
| Legal Subdivision | THE CROSSINGS |
| Legal Tract | 36PM39 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 334006 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 4423 WINTERBERRY CT, CONCORD, CA 94521-4332 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Oct 18, 2023 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage PATELCO CU |
| May 28, 2021 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Aug 10, 2021 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage PATELCO CU |
| Sep 26, 2022 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage PATELCO CU |
| May 2, 2020 | Deed of Trust, Mortgage · Conventional with PMI QUICKEN LNS |
| Jun 20, 2017 | Grant Deed, Transfer · Conventional with PMI QUICKEN LNS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 20, 2017 · Amount on Record |
| Deed Sale | Jun 20, 2017 · Amount on Record |
| Prior Sale | Apr 12, 2002 · Amount on Record |
| Deed Document Number | 2017110230 |
| Prior Transfer Date | Nov 10, 2005 |
| Prior Transfer Doc | 0000002499 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4423 WINTERBERRY CT, CONCORD, CA 94521-4332 |
| Transaction Type | Mortgage |
| Record Updated | Oct 26, 2023 |
| Name | Verified Name |
|---|---|
| Address | 4423 WINTERBERRY CT, CONCORD, CA 94521-4332 |
| Document Number | 0000102548 |
|---|---|
| Date | Oct 18, 2023 |
| Instrument | 2023-102548 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Address | DUBLIN, CA 94568 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Nov 1, 2038 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4423 WINTERBERRY CT, CONCORD, CA 94521-4332 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 4423 WINTERBERRY CT, CONCORD, CA 94521-4332 |
| Document Number | 0000158707 |
|---|---|
| Date | May 28, 2021 |
| Instrument | 2021-158707 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4423 WINTERBERRY CT, CONCORD, CA 94521-4332 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | ACCOMMODATION |
| Name | Verified Name |
|---|---|
| Address | 4423 WINTERBERRY CT, CONCORD, CA 94521-4332 |
| Document Number | 0000222353 |
|---|---|
| Date | Aug 10, 2021 |
| Instrument | 2021-222353 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Address | DUBLIN, CA 94568 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Aug 1, 2036 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4423 WINTERBERRY CT, CONCORD, CA 94521-4332 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | ATLAS TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 4423 WINTERBERRY CT, CONCORD, CA 94521-4332 |
| Document Number | 0000143606 |
|---|---|
| Date | Sep 26, 2022 |
| Instrument | 2022-143606 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Address | DUBLIN, CA 94568 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Oct 1, 2037 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4423 WINTERBERRY CT, CONCORD, CA 94521-4332 |
| Document Number | 0000087231 |
| Instrument Date | May 2, 2020 |
| Transaction Type | Mortgage |
| Record Updated | May 15, 2020 |
| Title Company | AMROCK TITLE CA INC |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4423 WINTERBERRY CT CONCORD CA 945214332, CONCORD, CA 94521-4332 |
| Document Number | 0000087231 |
|---|---|
| Date | May 7, 2020 |
| Instrument | 87231 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional with PMI |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 6, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 20, 2017 |
| Property Address | 4423 WINTERBERRY CT, CONCORD, CA 94521-4332 |
| Document Number | 0000110230 |
| Instrument Date | Jun 2, 2017 |
| Instrument | 110230 |
| Transaction Type | Transfer |
| Record Updated | Jun 30, 2017 |
| Title Company | LAWYERS TITLE BAY AREA |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $737.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4423 WINTERBERRY CT CONCORD CA 945214332, CONCORD, CA 94521-4332 |
| Document Number | 110231 |
|---|---|
| Date | Jun 20, 2017 |
| Instrument | 110231 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional with PMI |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 19, 2047 |
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 | $793,138 (+2%) Land $497,191 Building $295,947 | |
| 2025 | $9,516.00 (+4.49%) Homeowner's exemption | $777,588 (+4.04%) Land $487,443 Building $290,145 |
| 2023 | $9,107.00 (+1.28%) Homeowner's exemption | $747,395 Land $468,516 Building $278,879 |
| 2022 | $8,992.00 |
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
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 77% of California |
|---|---|
| Wildfire Likelihood | 0.06% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 552 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 · Fiber in parts of the area | 100 / 20 |
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