Alameda County property record for 4329 Cortez Ct, Union City, CA 94587
| Property Type | Townhouse |
|---|---|
| Details | 2 bd · 1 ba · 875 sqft · built 1972 |
| Lot Size | 0.042 acres (1,840 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $169,000 (Apr 2000) |
| Tax Bill | $4,114 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 483-97-41 |
| Primary APN | 483-97-41 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 875 sqft Living Area |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Custom Design |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 1,840 sqft (0.042 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4329 CORTEZ CT |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-3806 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | RM2500 |
| Legal Description | LOT: 00010 BLK: TR: 3268 |
| Legal Tract | 3268 |
| Legal Lot Number | 10 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 440304 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 19531 GIBRALTAR CT, HILMAR, CA 95324-9650 |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 18, 2000 · Amount on Record |
| Deed Sale | Apr 18, 2000 · Amount on Record |
| Prior Sale | Mar 20, 1998 · Amount on Record |
| Deed Document Number | 2000115603 |
| Last Transfer Date | Aug 19, 2004 |
| Transfer Doc | 0000389683 |
| Record Updated | Oct 29, 2026 |
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 | $264,927 (+2%) Land $79,478 Building $185,449 | ||
| 2025 | $4,114.00 (-4.46%) | $259,734 (+4.04%) Land $77,920 Building $181,814 | |
| 2023 | $4,306.00 | $249,650 Land $74,895 Building $174,755 | $574,560 |
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 Claims | 1 (1991) |
| Most Recent Claim | Oct 1991 · other causes |
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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