Alameda County property record for 6421 Potrero Dr, Newark, CA 94560
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,388 sqft · built 1990 |
| Lot Size | 0.045 acres (1,952 sqft) |
| Owner | Individual Name on File |
| Last Sale | $433,000 (Feb 2001) |
| Tax Bill | $8,198 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 901-192-65 |
| Primary APN | 901-192-65 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,388 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | L-Shape |
| Exterior Material | Wood |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 1,952 sqft (0.045 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 6421 POTRERO DR |
|---|---|
| City | NEWARK |
| State | CA |
| Zip | 94560-5626 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R11 |
| Legal Description | LOT: 00131 BLK: TR: 5869 |
| Legal Tract | 5869 |
| Legal Lot Number | 131 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 1 |
| Census Block | 1023 |
| Census Tract | 444602 |
6421 Potrero Dr is owned and occupied by an individual who bought it in February 2001.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 6421 POTRERO DR, NEWARK, CA 94560-5626 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Last Sale | Feb 15, 2001 · Amount on File |
| Deed Sale | Feb 15, 2001 · Amount on File |
| Deed Document Number | 200158969 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 6421 Potrero Dr was $8,198 with a homeowner's exemption.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Newark City |
| Unified School District | Newark Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $658,460 (+0.93%) Land $199,638 Building $465,822 | ||
| 2025 | $8,198.00 Homeowner's exemption | $652,413 Land $195,724 Building $456,689 | |
| 2023 | $7,833.00 Homeowner's exemption | $627,083 Land $188,125 Building $438,958 | $1,506,960 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 6421 Potrero Dr in Zone X, an area of moderate flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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 6421 Potrero 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 | ALAMEDA COUNTY WATER DISTRICT serves 344,000 people · EPA ID CA0110001 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2025 |
| 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 675 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| Sail Internet Fixed Wireless | 1,000 / 200 |
| Tekify Fiber & Wireless Fixed Wireless | 570 / 120 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures