Alameda County property record for 920 B St, Union City, CA 94587
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,288 sqft · built 1978 |
| Lot Size | 0.066 acres (2,851 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $185,000 (Jun 2012) |
| Tax Bill | $3,868 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 486-21-43 |
| Primary APN | 486-21-43 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Building Area | 1,288 sqft Living Area |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Custom Design |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 2,851 sqft (0.066 acres) |
| Garage Type | Attached |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 920 B ST |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-2146 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00003 BLK: TR: 3851 |
| Legal Tract | 3851 |
| Legal Lot Number | 3 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 440200 |
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 920 B ST, UNION CITY, CA 94587-2146 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 15, 2012 · Amount on Record |
| Deed Sale | Jun 15, 2012 · Amount on Record |
| Prior Sale | Apr 28, 2003 · Amount on Record |
| Deed Document Number | 2012195030 |
| Prior Transfer Date | Apr 21, 2003 |
| Prior Transfer Doc | 0000245822 |
| Record Updated | Oct 29, 2026 |
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 | $237,003 (+2%) Land $71,101 Building $165,902 | ||
| 2025 | $3,868.00 (-8.73%) | $232,357 (+4.04%) Land $69,707 Building $162,650 | |
| 2023 | $4,238.00 | $223,337 Land $67,001 Building $156,336 | $498,060 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.04% 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 808 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Tekify Fiber & Wireless Fixed Wireless | 1,000 / 1,000 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: GeoLinks, Sail Internet, T-Mobile.
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