Alameda County property record for 4243 Miramonte Way, Union City, CA 94587
| Property Type | Townhouse |
|---|---|
| Details | 4 bd · 2.5 ba · 1,632 sqft · built 1972 |
| Lot Size | 0.042 acres (1,840 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $315,000 (Jun 2001) |
| Tax Bill | $6,826 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 483-98-209 |
| Primary APN | 483-98-209 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,632 sqft Living Area |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 1,840 sqft (0.042 acres) |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 4243 MIRAMONTE WAY |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-3814 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | LOT: 00123 BLK: TR: 3268 |
| Legal Subdivision | TR 3268 |
| Legal Tract | 3268 |
| Legal Lot Number | 123 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 440304 |
4243 Miramonte Way, a townhouse, is held in a trust since February 2025.
Source: Alameda County records, as of August 26, 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 Trust Names on File |
|---|---|
| Mailing Address | 34714 WILLIAMS WAY, UNION CITY, CA 94587-5578 |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 29, 2001 · Amount on File |
| Deed Sale | Jun 29, 2001 · Amount on File |
| Prior Sale | Nov 5, 1999 · Amount on File |
| Deed Document Number | 2001230934 |
| Last Transfer Date | Feb 25, 2025 |
| Transfer Doc | 0000032058 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4243 Miramonte Way was $6,826.
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 | $484,110 (+2%) Land $145,233 Building $338,877 | ||
| 2025 | $6,826.00 | $474,618 Land $142,385 Building $332,233 | |
| 2023 | $6,851.00 | $456,191 Land $136,857 Building $319,334 | $686,880 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4243 Miramonte Way 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 4243 Miramonte Way 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 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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