Alameda County property record for 2425 Diablo Pl, Union City, CA 94587
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,720 sqft · built 1967 |
| Lot Size | 0.198 acres (8,632 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,495,000 (Nov 2024) |
| Tax Bill | $19,804 (2025) |
| Deeds & Mortgages | Aug 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 475-155-42 |
| Primary APN | 475-155-42 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,720 sqft Living Area |
| Year Built | Built 1967 |
|---|---|
| Effective Year Built | Effective 1968 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 8,632 sqft (0.198 acres) |
| Street Address | 2425 DIABLO PL |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-1833 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00132 BLK: TR: 2854 |
| Legal Subdivision | 2854 WEST VIEW ESTATES |
| Legal Tract | 2854 |
| Legal Lot Number | 132 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 440301 |
2425 Diablo Pl is owned by two individuals who bought it in November 2024.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 5820 NOBA RD, DUBLIN, CA 94568-4792 |
| Owner Type | Individual |
| Vesting | Community Property |
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 | Nov 22, 2024 · Amount on File |
| Deed Sale | Nov 22, 2024 · Amount on File |
| Deed Document Number | 2024144558 |
| Prior Transfer Date | Apr 11, 2024 |
| Prior Transfer Doc | 0000050050 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Aug 10, 2022 |
| Property Address | 2425 DIABLO PL, UNION CITY, CA 94587-1833 |
| Document Number | 0000141017 |
| Map Reference | MB 55 PG 1-8 |
| Instrument Date | Aug 4, 2022 |
| Instrument | 2022141017 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1546 WILLOW LAKE RD, DISCOVERY BAY, CA 94505-9423 |
| Investor | Possibly a Property Investor |
The 2025 property tax bill for 2425 Diablo Pl was $19,804.
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 | $1,366,000 (-8.63%) Land $409,800 Building $956,200 | ||
| 2025 | $19,804.00 | $1,495,000 Land $448,500 Building $1,046,500 | |
| 2023 | $2,531.00 | $84,836 Land $19,795 Building $65,041 | $1,202,580 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 2425 Diablo Pl in Zone X, an area of minimal flood risk.
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 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.
The area around 2425 Diablo Pl has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 782 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Tekify Fiber & Wireless Fixed Wireless | 1,000 / 1,000 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: GeoLinks, T-Mobile.
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