Alameda County property record for 4780 Prospero Ct, Fremont, CA 94555
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 5 ba · 2,987 sqft · built 1981 |
| Lot Size | 0.189 acres (8,230 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $304,000 (Jul 1998) |
| Tax Bill | $10,392 (2025) |
| Deeds & Mortgages | Jul 2023 Line of Credit Apr 2026 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 543-422-66 |
| Primary APN | 543-422-66 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 5 Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,987 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | H-Shape |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Tile |
| Lot Area | 8,230 sqft (0.189 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4780 PROSPERO CT |
|---|---|
| City | FREMONT |
| State | CA |
| Zip | 94555-2055 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Legal Description | LOT: 00046 BLK: TR: 4315 |
| Legal Subdivision | TRACT 4315 |
| Legal Tract | 4315 |
| Legal Lot Number | 46 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 441521 |
Source: Alameda County records · APN 543-422-66
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 | 2 Company Names on File |
|---|---|
| Mailing Address | 4780 PROSPERO CT, FREMONT, CA 94555-2055 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Date | Document |
|---|---|
| Jul 19, 2023 | Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA NA |
| Apr 14, 2026 | Grant Deed, Transfer · Line of Credit CMG MORTGAGE INC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 27, 1998 · Amount on Record |
| Deed Sale | Jul 27, 1998 · Amount on Record |
| Deed Document Number | 1998260800 |
| Last Transfer Date | Nov 21, 2013 |
| Transfer Doc | 0000378264 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4780 PROSPERO CT, FREMONT, CA 94555-2055 |
| Transaction Type | Mortgage |
| Record Updated | May 21, 2026 |
| Name | Verified Name |
|---|---|
| Address | 4780 PROSPERO CT, FREMONT, CA 94555-2055 |
| Document Number | 0000081974 |
|---|---|
| Date | Jul 19, 2023 |
| Instrument | 2023081974 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | FORT WORTH, TX 76155 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Apr 14, 2026 |
| Property Address | 4780 PROSPERO CT, FREMONT, CA 94555-2055 |
| Document Number | 0000048837 |
| Instrument Date | Mar 23, 2026 |
| Instrument | 202648837 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2026 |
| Title Company | ALLEGIANT REVERSE SERVICES, ALLEGIANT REVERSE SERVICES TIT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 4780 PROSPERO CT, FREMONT, CA 94555-2055 |
| Investor | Possibly a Property Investor |
| Document Number | 0000048838, |
|---|---|
| Date | Apr 14, 2026 |
| Instrument | 202648838 |
| Name | CMG MORTGAGE INC |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 999 Months |
| Due | Nov 18, 2113 |
| Rate | 5.98% |
|---|---|
| Max Rate | -1% |
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 | $835,680 (+2.02%) Land $145,826 Building $696,854 | ||
| 2025 | $10,392.00 (+4.8%) Homeowner's exemption | $819,157 (+3.16%) Land $142,966 Building $683,191 | |
| 2024 | $9,916.00 (+2.77%) | ||
| 2023 | $9,649.00 Homeowner's exemption | $794,084 Land $137,416 Building $656,668 | $1,717,650 |
Source: FEMA National Flood Hazard Layer as of May 25, 2026 · FEMA NFIP claims and policies as of September 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 |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 1 in force |
| 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; flood claims are located to the census block group, not this parcel; 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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