Alameda County property record for 33712 3rd St, Union City, CA 94587
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,186 sqft · built 1925 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $245,000 (Jan 2012) |
| Tax Bill | $4,819 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 486-6-79-8 |
| Primary APN | 486-6-79-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,186 sqft Living Area |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,000 sqft (0.115 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 33712 3RD ST |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-3403 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00008 BLK: 0079 AR: 0486 PAGE: 0006 |
| Legal Subdivision | DECOTO |
| Legal Block | 106 |
| Legal Lot Number | 2 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 440200 |
33712 3rd St is owned and occupied by two individuals who bought it in January 2012.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 33712 3RD ST, UNION CITY, CA 94587-3403 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Jan 3, 2012 · Amount on File |
| Deed Sale | Jan 3, 2012 · Amount on File |
| Prior Sale | Oct 5, 2010 · Amount on File |
| Deed Document Number | 2012762 |
| Prior Transfer Date | Jul 23, 1996 |
| Prior Transfer Doc | 0000183927 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 33712 3rd St was $4,819.
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 | $313,868 (+2%) Land $94,160 Building $219,708 | ||
| 2025 | $4,819.00 | $307,717 Land $92,315 Building $215,402 | |
| 2023 | $5,131.00 | $295,770 Land $88,731 Building $207,039 | $631,620 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 33712 3rd 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 33712 3rd St is moderate, ranking above 60% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 60% of the US · lower than 64% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 352 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 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Tekify Fiber & Wireless Fixed Wireless | 800 / 800 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Sail Internet.
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