Alameda County property record for 31433 Marlin Ct, Union City, CA 94587
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,356 sqft · built 1997 |
| Lot Size | 0.171 acres (7,428 sqft) |
| Owner | Trust Name on File |
| Last Sale | $354,000 (Dec 1997) |
| Tax Bill | $7,982 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 482-41-16 |
| Primary APN | 482-41-16 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,356 sqft Living Area |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1997 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 7,428 sqft (0.171 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 31433 MARLIN CT |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-2594 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00014 BLK: TR: 6018 |
| Legal Tract | 6018 |
| Legal Lot Number | 14 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 440332 |
31433 Marlin Ct is owner-occupied and held in a trust since April 2016.
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 | 31433 MARLIN CT, UNION CITY, CA 94587-2594 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 12, 1997 · Amount on File |
| Deed Sale | Dec 12, 1997 · Amount on File |
| Deed Document Number | 1997328898 |
| Last Transfer Date | Apr 15, 2016 |
| Transfer Doc | 0000148150 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 31433 Marlin Ct was $7,982 with a homeowner's exemption.
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 | $568,872 (+0.76%) Land $171,980 Building $403,892 | ||
| 2025 | $7,982.00 Homeowner's exemption | $564,582 Land $168,608 Building $395,974 | |
| 2023 | $8,097.00 Homeowner's exemption | $542,662 Land $162,062 Building $380,600 | $1,500,930 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 31433 Marlin Ct in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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.
Wildfire risk around 31433 Marlin Ct 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 | 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 1,049 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Tekify Fiber & Wireless Fixed Wireless | 580 / 125 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks, Sail Internet, Unwired.
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