Alameda County property record for 33464 4th St, Union City, CA 94587
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 1,856 sqft · built 1980 |
| Lot Size | 0.117 acres (5,084 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $10,471 (2025) |
| Deeds & Mortgages | Nov 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 486-3-57-2 |
| Primary APN | 486-3-57-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 1,856 sqft Living Area |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Construction Type | Wood |
| Lot Area | 5,084 sqft (0.117 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 33464 4TH ST |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-2411 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | LOT: 00002 BLK: 0057 AR: 0486 PAGE: 0003 |
| Legal Subdivision | DECOTO |
| Legal Block | 40 |
| Legal Lot Number | 8 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 4 |
| Census Block | 4017 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 113 FAY CT, UNION CITY, CA 94587-1324 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Aug 6, 1993 |
| Transfer Doc | 0000298519 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Nov 2, 2022 |
| Property Address | 33464 4TH ST, UNION CITY, CA 94587-2411 |
| Document Number | 0000180632 |
| Map Reference | MB 19 PG 43 |
| Instrument Date | Sep 20, 2022 |
| Instrument | 2022180632 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Revocable Trust |
| Address | 350 E ST, UNION CITY, CA 94587-2452 |
| Investor | Possibly a Property Investor |
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 | $713,424 (+1.01%) Land $216,310 Building $504,114 | |
| 2025 | $10,471.00 (-5.9%) | $706,303 (+4.04%) Land $212,070 Building $494,233 |
| 2023 | $11,127.00 | $678,877 Land $203,835 Building $475,042 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 53% of the US · lower than 68% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 583 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 |
May also be available: GeoLinks, T-Mobile, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures