Alameda County property record for 33100 Transit Ave, Union City, CA 94587
| Property Type | General Heavy Industrial |
|---|---|
| Details | 68,886 sqft · built 1970 |
| Lot Size | 3 acres (130,680 sqft) |
| Owner | Company Name on File |
| Last Sale | $7,400,000 (Jan 2015) |
| Tax Bill | $133,554 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 475-90-3 |
| Primary APN | 475-90-3 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 68,886 sqft Total Area |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1970 |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 130,680 sqft |
| Street Address | 33100 TRANSIT AVE |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-2018 |
| Property Category | Industrial |
| Property Type | Industrial > General Heavy Industrial |
| Legal Description | LOT: 00002 BLK: PM: 0058 PAGE: 0028 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 4 |
| Census Block | 4019 |
| Census Tract | 440301 |
33100 Transit Ave, an industrial property, is owned by a company that bought it in January 2015.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 33100 TRANSIT AVE, UNION CITY, CA 94587-2018 |
| Owner Type | Company |
| Vesting | Company |
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 Sale | Jan 30, 2015 · Amount on File |
| Deed Sale | Jan 30, 2015 · Amount on File |
| Prior Sale | Jun 4, 2003 · Amount on File |
| Deed Document Number | 201526358 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 33100 Transit Ave was $133,554.
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 |
|---|---|---|
| 2026 | $9,135,868 (+1.72%) Land $2,451,680 Building $6,619,536 | |
| 2025 | $133,554.00 | $8,981,223 Land $2,403,620 Building $6,577,603 |
| 2023 | $124,741.00 | $8,635,939 Land $2,310,300 Building $6,325,639 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 33100 Transit Ave 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 | 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.
The area around 33100 Transit Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 77 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless 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 |
May also be available: Etheric Networks, GeoLinks.
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