Alameda County property record for 4930 Antioch Loop, Union City, CA 94587
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,419 sqft · built 1982 |
| Lot Size | 0.139 acres (6,073 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $3,930 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 543-433-87 |
| Primary APN | 543-433-87 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,419 sqft Living Area |
| Year Built | Built 1982 |
|---|---|
| Effective Year Built | Effective 1983 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,073 sqft (0.139 acres) |
| Street Address | 4930 ANTIOCH LOOP |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-5516 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00086 BLK: TR: 4529 |
| Legal Tract | 4529 |
| Legal Lot Number | 86 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 441501 |
4930 Antioch Loop is owner-occupied and held in a trust since September 1993.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 4930 ANTIOCH LOOP, UNION CITY, CA 94587-5516 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 | Name on Deed |
|---|---|
| Last Transfer Date | Sep 30, 1993 |
| Transfer Doc | 0000416235 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4930 Antioch Loop was $3,930 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 | $244,360 (-0.84%) Land $61,283 Building $190,077 | ||
| 2025 | $3,930.00 Homeowner's exemption | $246,433 Land $60,082 Building $186,351 | |
| 2023 | $4,286.00 Homeowner's exemption | $236,864 Land $57,749 Building $179,115 | $1,279,890 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4930 Antioch Loop in Zone X, an area of minimal flood risk.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 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.
Wildfire risk around 4930 Antioch Loop 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 | Indirect within 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 799 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 | 570 / 120 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| Sail Internet Fixed Wireless | 200 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
May also be available: GeoLinks.
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