Contra Costa County property record for 4309 Derby Pl, Pittsburg, CA 94565
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,479 sqft · built 1981 |
| Lot Size | 0.184 acres (8,000 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $182,500 (Nov 1996) |
| Tax Bill | $4,013 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 089-433-010-9 |
| Primary APN | 089-433-010-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,479 sqft Living Area |
| Gross Area | 2,908 sqft |
| 1st Floor Area | 1,638 sqft |
| 2nd Floor Area | 841 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1982 |
| Exterior Material | Stucco |
| Roof Material | Wood Shingle |
| Lot Area | 8,000 sqft (0.184 acres) |
| Garage Type | Attached |
| Garage Area | 429 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4309 DERBY PL |
|---|---|
| City | PITTSBURG |
| State | CA |
| Zip | 94565-6265 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1A |
| Legal Description | T05447 L0475 B |
| Legal Tract | 05447 |
| Legal Lot Number | 475 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 2 |
| Census Block | 2022 |
| Census Tract | 313106 |
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 | 4309 DERBY PL, PITTSBURG, CA 94565-6265 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 6, 1996 · Amount on Record |
| Deed Sale | Nov 6, 1996 · Amount on Record |
| Deed Document Number | 1996209841 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Pittsburg City |
| Unified School District | Pittsburg Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $303,148 (+2%) Land $58,125 Building $245,023 | |
| 2025 | $4,013.00 (+4.02%) Homeowner's exemption | $297,205 (+4.04%) Land $56,986 Building $240,219 |
| 2023 | $3,858.00 (-1.3%) Homeowner's exemption | $285,666 Land $54,774 Building $230,892 |
| 2022 | $3,909.00 |
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 |
| Nearby Flood Policies | 5 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 | Moderate above 66% of the US · above 41% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Indirect 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 | CITY OF PITTSBURG serves 62,500 people · EPA ID CA0710008 |
|---|---|
| Water Source | Purchased surface water from CONTRA COSTA WATER DISTRICT |
| Last State Inspection | Apr 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 652 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL | 100 / 20 |
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