Contra Costa County property record for 3858 Roundhill Dr, Pittsburg, CA 94565
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,634 sqft · built 1972 |
| Lot Size | 0.223 acres (9,720 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $171,500 (Jun 1999) |
| Tax Bill | $3,688 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 088-322-020-4 |
| Primary APN | 088-322-020-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,634 sqft Living Area |
| 1st Floor Area | 1,634 sqft |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1982 |
| Lot Area | 9,720 sqft (0.223 acres) |
| View / Lot | Canal |
| Garage Type | Attached |
| Garage Area | 444 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3858 ROUNDHILL DR |
|---|---|
| City | PITTSBURG |
| State | CA |
| Zip | 94565-5626 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1A |
| Legal Description | TRACT 3906 LOT 233 |
| Legal Subdivision | CONCORD UPLANDS UNIT #2 |
| Legal Tract | 3906 |
| Legal Lot Number | 233 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | ANTIOCH-PITTSBURG |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 313102 |
3858 Roundhill Dr is owned and occupied by two individuals who acquired it in June 2003.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3858 ROUNDHILL DR, PITTSBURG, CA 94565-5626 |
| 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 Sale | Jun 2, 1999 · Amount on File |
| Deed Sale | Jun 2, 1999 · Amount on File |
| Deed Document Number | 1999146895 |
| Last Transfer Date | Jun 25, 2003 |
| Transfer Doc | 0000538847 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 3858 Roundhill Dr was $3,688 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 | Pittsburg City |
| Unified School District | Pittsburg Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $274,215 (+2%) Land $55,954 Building $218,261 | |
| 2025 | $3,688.00 Homeowner's exemption | $268,839 Land $54,857 Building $213,982 |
| 2023 | $3,554.00 (-1.25%) Homeowner's exemption | $258,402 Land $52,728 Building $205,674 |
| 2022 | $3,599.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3858 Roundhill Dr 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 3858 Roundhill Dr is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% 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 | 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 616 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 |
May also be available: Unwired.
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