Alameda County property record for 4763 Prospero Ct, Fremont, CA 94555
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,793 sqft · built 1984 |
| Lot Size | 0.154 acres (6,702 sqft) |
| Owner | Company Name on File |
| Tax Bill | $4,185 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 543-422-61 |
| Primary APN | 543-422-61 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,793 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | L-Shape |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Tile |
| Lot Area | 6,702 sqft (0.154 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4763 PROSPERO CT |
|---|---|
| City | FREMONT |
| State | CA |
| Zip | 94555-2055 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | LOT: 00041 BLK: TR: 4315 |
| Legal Tract | 4315 |
| Legal Lot Number | 41 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 4 |
| Census Block | 4001 |
| Census Tract | 441521 |
Source: Alameda County records · APN 543-422-61
Assessment roll updated August 5, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 4763 PROSPERO CT, FREMONT, CA 94555-2055 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | Jul 29, 1998 |
| Transfer Doc | 0000290326 |
| Record Updated | Sep 20, 2026 |
Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Fremont City |
| Unified School District | Fremont Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $296,443 (-0.35%) Land $84,529 Building $218,914 | ||
| 2025 | $4,185.00 (+6.71%) Homeowner's exemption | $297,494 (+4.04%) Land $82,872 Building $214,622 | |
| 2023 | $3,922.00 Homeowner's exemption | $285,943 Land $79,654 Building $206,289 | $1,291,140 |
Source: FEMA National Flood Hazard Layer as of May 25, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| 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 are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Robinson Hardware and Software Solutions Fixed Wireless | 1,000 / 1,000 |
| Tekify Fixed Wireless | 580 / 125 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
| Sail Internet Holdings Fixed Wireless | 200 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: AT&T.
Based on FCC filings for 777 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | ALAMEDA COUNTY WATER DISTRICT serves 344,000 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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