Alameda County property record for 3729 Horner St, Union City, CA 94587
| Property Type | Single Family Home |
|---|---|
| Details | 1,124 sqft · built 1978 |
| Lot Size | 0.107 acres (4,660 sqft) |
| Owner | Individual Name on File |
| Last Sale | $196,000 (Nov 1998) |
| Tax Bill | $4,723 (2025) |
| Deeds & Mortgages | Jul 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 483-15-34 |
| Primary APN | 483-15-34 |
|---|---|
| Alternative APN |
|
| Building Area | 1,124 sqft Living Area |
|---|
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 4,660 sqft (0.107 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3729 HORNER ST |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-2647 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00040 BLK: TR: 3820 |
| Legal Tract | 3820 |
| Legal Lot Number | 40 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 440331 |
3729 Horner St is owned and occupied by an individual who acquired it in May 2003.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3729 HORNER ST, UNION CITY, CA 94587-2647 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
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 | Name on Deed |
|---|---|
| Last Sale | Nov 17, 1998 · Amount on File |
| Deed Sale | Nov 17, 1998 · Amount on File |
| Deed Document Number | 1998401885 |
| Last Transfer Date | May 1, 2003 |
| Transfer Doc | 0000277807 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 3729 HORNER ST, UNION CITY, CA 94587-2647 |
| Document Number | 0000165902 |
| Instrument Date | Jul 10, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 23, 2018 |
| Title Company | AMERICAN TITLE COMPANY, AMERICAN TITLE INC |
| Name | Verified Name |
|---|---|
| Address | 3729 HORNER ST UNION CITY CA 945872647, UNION CITY, CA 94587-2647 |
| Document Number | 0000165902 |
|---|---|
| Date | Jul 28, 2017 |
| Instrument | 165902 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | TAMPA, FL 33634 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 3729 Horner St was $4,723 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 | $306,237 (-0.28%) Land $94,019 Building $219,218 | ||
| 2025 | $4,723.00 Homeowner's exemption | $307,096 Land $92,176 Building $214,920 | |
| 2023 | $5,037.00 Homeowner's exemption | $295,173 Land $88,597 Building $206,576 | $690,930 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3729 Horner St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 3729 Horner St 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 | None beyond 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 602 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 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks, Verizon.
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