Alameda County property record for 4528 Sandra Ct, Union City, CA 94587
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,463 sqft · built 1971 |
| Lot Size | 0.277 acres (12,084 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $2,125 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 483-101-10 |
| Primary APN | 483-101-10 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,463 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1973 |
| Architectural Style | L-Shape |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Wood |
| Lot Area | 12,084 sqft (0.277 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4528 SANDRA CT |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-4854 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00019 BLK: TR: 3289 |
| Legal Tract | 3289 |
| Legal Lot Number | 19 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 440305 |
4528 Sandra Ct is owner-occupied and held in a trust since March 2009.
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 4528 SANDRA CT, UNION CITY, CA 94587-4854 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Mar 13, 2009 |
| Transfer Doc | 0000075438 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 4528 Sandra Ct was $2,125 with a homeowner's exemption.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Union City |
| Unified School District | New Haven Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $96,283 (-4.91%) Land $39,763 Building $63,520 | ||
| 2025 | $2,125.00 Homeowner's exemption | $101,258 Land $38,983 Building $62,275 | |
| 2023 | $2,598.00 Homeowner's exemption | $97,326 Land $37,469 Building $59,857 | $1,027,350 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4528 Sandra Ct in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| 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 4528 Sandra Ct 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 976 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Tekify Fiber & Wireless Fixed Wireless | 580 / 125 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
May also be available: Sail Internet, Verizon.
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