Alameda County property record for 33431 3rd St, Union City, CA 94587 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,600 sqft · built 1947 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $1,559 (2025) |
| Deeds & Mortgages | Oct 2025 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 486-3-52 |
| Primary APN | 486-3-52 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,600 sqft Living Area |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 5,000 sqft (0.115 acres) |
| Street Address | 33431 3RD ST |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-2404 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00052 BLK: AR: 0486 PAGE: 0003 |
| Legal Subdivision | DECOTO |
| Legal Block | 40 |
| Legal Lot Number | 13 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 4 |
| Census Block | 4017 |
| Census Tract | 440200 |
Source: Alameda County records · APN 486-3-52
Assessment roll updated August 5, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 33431 3RD ST, UNION CITY, CA 94587-2404 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Mar 06, 2008 |
| Transfer Doc | 0000099538 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Oct 30, 2025 |
| Property Address | 33431 3RD ST, UNION CITY, CA 94587-2404 |
| Document Number | 0000136477 |
| Map Reference | MB 19 PG 43 |
| Instrument Date | Oct 29, 2025 |
| Instrument | 2025136477 |
| Transaction Type | Transfer |
| Record Updated | Dec 01, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 33431 3RD ST, UNION CITY, CA 94587-2404 |
Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Union City |
| Unified School District | New Haven Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $50,517 (+2.28%) Land $12,003 Building $45,514 | ||
| 2025 | $1,559.00 (-29.52%) Homeowner's exemption | $49,390 (-8.87%) Land $11,768 Building $44,622 | |
| 2024 | $2,212.00 (+7.01%) | ||
| 2023 | $2,067.00 Homeowner's exemption | $54,200 Land $11,311 Building $42,889 | $761,400 |
Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060014402004, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Feb 1998, river or lake flooding, Severe Winter Storms And Flooding |
| Wildfire Risk | Moderate above 53% of the US · above 31% of California |
|---|---|
| Wildfire Likelihood | About 1 in 694 per year |
| Exposure | Indirect within ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 583 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Sonic Telecom | Fiber | 10,000 / 10,000 |
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Tekify | Fixed Wireless (unlicensed) | 1,000 / 1,000 |
| Robinson Hardware and Software Solutions | Fixed Wireless (unlicensed) | 1,000 / 1,000 |
May also be available at this address: T-Mobile USA, AT&T, Verizon, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.
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