Alameda County property record for 33763 13th St, Union City, CA 94587
| Property Type | Triplex |
|---|---|
| Details | 7 bd · 3 ba · 2,674 sqft · built 1972 |
| Lot Size | 0.344 acres (15,000 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $6,639 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 486-42-33-1 |
| Primary APN | 486-42-33-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 13 Rooms |
| Units | 3 Units |
| Stories | 2 Stories |
| Building Area | 2,674 sqft Living Area |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Construction Type | Wood |
| Lot Area | 15,000 sqft (0.344 acres) |
| Garage Type | Attached |
| Street Address | 33763 13TH ST |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-3373 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Legal Description | LOT: 00001 BLK: 0033 AR: 0486 PAGE: 0042 |
| Legal Subdivision | DECOTO |
| Legal Block | 94 |
| Legal Lot Number | 9 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 440200 |
33763 13th St, a triplex, is held in a trust since November 2010.
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 | 31329 SAN ANDREAS DR, UNION CITY, CA 94587-2858 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Nov 14, 2010 |
| Transfer Doc | 0000339260 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 33763 13th St was $6,639.
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 | $354,241 (+2%) Land $149,352 Building $204,889 | |
| 2025 | $6,639.00 | $347,296 Land $146,424 Building $200,872 |
| 2023 | $8,216.00 | $333,810 Land $140,738 Building $193,072 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 33763 13th St 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 33763 13th St 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 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.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures