Contra Costa County property record for 3331 Winthrop St, Concord, CA 94519
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,536 sqft · built 1965 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $375,000 (Feb 2016) |
| Tax Bill | $5,911 (2025) |
| Deeds & Mortgages | Jan 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 111-365-012-9 |
| Primary APN | 111-365-012-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 1,536 sqft Living Area |
| Gross Area | 1,982 sqft |
| 1st Floor Area | 1,088 sqft |
| 2nd Floor Area | 448 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1966 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 6,000 sqft (0.138 acres) |
| Garage Type | Attached |
| Garage Area | 446 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3331 WINTHROP ST |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94519-2036 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | TRACT 3201 LOT 449 EX MR |
| Legal Subdivision | SUN TERRACE EAST UNIT #5 |
| Legal Tract | 3201 |
| Legal Lot Number | 449 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 330000 |
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 | 684 GOLF CLUB WAY, PLEASANT HILL, CA 94523-1105 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 17, 2016 · Amount on Record |
| Deed Sale | Feb 17, 2016 · Amount on Record |
| Deed Document Number | 201626916 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3331 WINTHROP ST, CONCORD, CA 94519-2036 |
| Document Number | 0000032664 |
| Instrument Date | Jan 29, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Mar 12, 2018 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 1833 LYNVALE LN WALNUT CREEK CA 945972509, WALNUT CREEK, CA 94597-2509 |
| Document Number | 0000032664 |
|---|---|
| Date | Mar 2, 2018 |
| Instrument | 32664 |
| Name | BANK OF THE WEST |
|---|---|
| Type | Bank |
| Address | OMAHA, NE 68154 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Mar 1, 2048 |
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 | $452,793 (+2%) Land $292,324 Building $160,469 | |
| 2025 | $5,911.00 (+4.84%) | $443,916 (+4.04%) Land $286,593 Building $157,323 |
| 2023 | $5,638.00 (+1.51%) | $426,680 Land $275,465 Building $151,215 |
| 2022 | $5,554.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AO, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 15 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 2 (1986–1998) |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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 | Not rated no burnable land within 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 762 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile.
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