Alameda County property record for 4451 Pomponi St, Union City, CA 94587
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,043 sqft · built 1994 |
| Lot Size | 0.158 acres (6,896 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,201,000 (Aug 2019) |
| Tax Bill | $17,522 (2025) |
| Deeds & Mortgages | May 2021 Mortgage Aug 2019 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 482-41-73 |
| Primary APN | 482-41-73 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,043 sqft Living Area |
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 1994 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 6,896 sqft (0.158 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4451 POMPONI ST |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-2588 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00031 BLK: TR: 6070 |
| Legal Subdivision | TRACT 6070 |
| Legal Tract | 6070 |
| Legal Lot Number | 31 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 440332 |
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 4451 POMPONI ST, UNION CITY, CA 94587-2588 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| May 25, 2021 | Deed of Trust, Mortgage · Conventional Mortgage MUFG UNION BANK NA |
| Aug 5, 2019 | Grant Deed, Transfer BANK OF AMERICA |
| Jun 7, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 5, 2019 · Amount on Record |
| Deed Sale | Aug 5, 2019 · Amount on Record |
| Prior Sale | Dec 12, 2014 · Amount on Record |
| Deed Document Number | 2019150099 |
| Prior Transfer Date | Jun 7, 2018 |
| Prior Transfer Doc | 0000113008 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4451 POMPONI ST, UNION CITY, CA 94587-2588 |
| Transaction Type | Mortgage |
| Record Updated | Jun 16, 2021 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 4451 POMPONI ST, UNION CITY, CA 94587-2588 |
| Document Number | 0000195163 |
|---|---|
| Date | May 25, 2021 |
| Instrument | 2021195163 |
| Name | MUFG UNION BANK NA |
|---|---|
| Type | Bank |
| Address | SAN DIEGO, CA 92121 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Aug 5, 2019 |
| Property Address | 4451 POMPONI ST, UNION CITY, CA 94587-2588 |
| Document Number | 0000150099 |
| Instrument Date | Jul 29, 2019 |
| Instrument | 150099 |
| Transaction Type | Transfer |
| Record Updated | Aug 22, 2019 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,321.10 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4451 POMPONI ST UNION CITY CA 945872588, UNION CITY, CA 94587-2588 |
| Document Number | 150100 |
|---|---|
| Date | Aug 5, 2019 |
| Instrument | 150100 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | CHARLOTTE, NC 28255 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Aug 4, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3% |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jun 7, 2018 |
| Property Address | 4451 POMPONI ST, UNION CITY, CA 94587-2588 |
| Document Number | 0000113008 |
| Instrument Date | Jun 7, 2018 |
| Instrument | 113008 |
| Transaction Type | Transfer |
| Record Updated | Jun 20, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 4451 POMPONI ST UNION CITY CA 945872588, UNION CITY, CA 94587-2588 |
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 | $1,339,714 (+2%) Land $401,914 Building $937,800 | ||
| 2025 | $17,522.00 (+2.74%) | $1,313,448 (+4.04%) Land $394,034 Building $919,414 | |
| 2023 | $17,054.00 | $1,262,454 Land $378,736 Building $883,718 | $1,358,010 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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 621 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · 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 | 570 / 120 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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