Alameda County property record for 640 Plomosa Ct, Fremont, CA 94539
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,243 sqft · built 1980 |
| Lot Size | 0.161 acres (7,024 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $520,000 (Dec 2000) |
| Tax Bill | $10,538 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 519-1654-115 |
| Primary APN | 519-1654-115 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,243 sqft Living Area |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1982 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 7,024 sqft (0.161 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 640 PLOMOSA CT |
|---|---|
| City | FREMONT |
| State | CA |
| Zip | 94539-7773 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00025 BLK: TR: 4201 |
| Legal Tract | 4201 |
| Legal Lot Number | 25 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 443301 |
640 Plomosa Ct is owned and occupied by two individuals who acquired it in June 2013.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 640 PLOMOSA CT, FREMONT, CA 94539-7773 |
| 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 | Dec 12, 2000 · Amount on File |
| Deed Sale | Dec 12, 2000 · Amount on File |
| Deed Document Number | 2000363041 |
| Last Transfer Date | Jun 27, 2013 |
| Transfer Doc | 0000236657 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 640 Plomosa Ct was $10,538.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Fremont City |
| Unified School District | Fremont Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $959,067 (+22.41%) Land $239,750 Building $719,317 | ||
| 2025 | $10,538.00 | $783,498 Land $235,049 Building $548,449 | |
| 2023 | $9,271.00 | $753,078 Land $225,923 Building $527,155 | $1,293,120 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 640 Plomosa Ct in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 100 ft |
| 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 640 Plomosa Ct is low, with less than 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 93% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | Under 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 228 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Sail Internet Fixed Wireless | 800 / 160 |
| Tekify Fiber & Wireless Fixed Wireless | 530 / 115 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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