Alameda County property record for 4790 Prospero Ct, Fremont, CA 94555
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,052 sqft · built 1981 |
| Lot Size | 0.17 acres (7,407 sqft) |
| Owner | 2 Owner Names on Record |
| Last Sale | $560,000 (Jan 2003) |
| Tax Bill | $10,968 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 543-422-65 |
| Primary APN | 543-422-65 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Building Area | 2,052 sqft Living Area |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1982 |
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 7,407 sqft (0.17 acres) |
| Street Address | 4790 PROSPERO CT |
|---|---|
| City | FREMONT |
| State | CA |
| Zip | 94555-2055 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 4315 LOT 45 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 441521 |
Source: Alameda County records, as of October 20, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Owner Names on Record |
|---|---|
| Mailing Address | 4790 PROSPERO CT, FREMONT, CA 94555-2055 |
| Occupancy | Owner Occupied |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 17, 2003 · Amount on Record |
| Deed Sale | Jan 17, 2003 · Amount on Record |
| Prior Sale | Sep 19, 2002 |
| Deed Document Number | 2003033375 |
| Record Updated | Jun 7, 2026 |
Source: Alameda County assessment roll, as of July 1, 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Fremont City |
| Unified School District | Fremont Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $10,968.00 (+7.73%) Homeowner's exemption | $875,195 (+4.04%) Land $243,297 Building $631,898 |
| 2023 | $10,181.00 Homeowner's exemption | $841,219 Land $233,852 Building $607,367 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 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 |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 1 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 | 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 777 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Tekify Fiber & Wireless Fixed Wireless | 580 / 125 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| Sail Internet Fixed Wireless | 200 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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