Alameda County property record for 31515 Silvertide Dr, Union City, CA 94587
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,551 sqft · built 1997 |
| Lot Size | 0.156 acres (6,772 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $700,500 (Jul 2003) |
| Tax Bill | $13,417 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 482-46-15 |
| Primary APN | 482-46-15 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,551 sqft Living Area |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1997 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,772 sqft (0.156 acres) |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 31515 SILVERTIDE DR |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-6009 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00010 BLK: TR: 6617 |
| Legal Tract | 6617 |
| Legal Lot Number | 10 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 440332 |
31515 Silvertide Dr is owned and occupied by two individuals who bought it in July 2003.
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 31515 SILVERTIDE DR, UNION CITY, CA 94587-6009 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 29, 2003 · Amount on File |
| Deed Sale | Jul 29, 2003 · Amount on File |
| Prior Sale | Aug 14, 1997 · Amount on File |
| Deed Document Number | 2003438594 |
| Prior Transfer Date | Jan 6, 2003 |
| Prior Transfer Doc | 0000027256 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 31515 Silvertide Dr was $13,417 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 | $1,008,097 (+1.3%) Land $304,529 Building $710,568 | ||
| 2025 | $13,417.00 Homeowner's exemption | $995,196 Land $298,559 Building $696,637 | |
| 2023 | $13,198.00 Homeowner's exemption | $956,556 Land $286,967 Building $669,589 | $1,601,820 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 31515 Silvertide Dr in Zone X, an area of minimal flood risk, within 100 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 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 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 31515 Silvertide Dr is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
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 72 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 1,200 / 35 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Tekify Fiber & Wireless Fixed Wireless | 570 / 120 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: T-Mobile.
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