Alameda County property record for 4366 Planet Cir, Union City, CA 94587
| Property Type | Townhouse |
|---|---|
| Details | 4 bd · 2.5 ba · 1,583 sqft · built 1971 |
| Lot Size | 0.037 acres (1,625 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $255,000 (Oct 2012) |
| Tax Bill | $4,799 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 483-60-90 |
| Primary APN | 483-60-90 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,583 sqft Living Area |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 1,625 sqft (0.037 acres) |
| Street Address | 4366 PLANET CIR |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-4020 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | LOT: 00062 BLK: TR: 3238 |
| Legal Tract | 3238 |
| Legal Lot Number | 62 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 440306 |
4366 Planet Cir, a townhouse, is owned by two individuals who bought it in October 2012.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 7261 VIA VICO, SAN JOSE, CA 95129-3548 |
| 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 | Oct 31, 2012 · Amount on File |
| Deed Sale | Oct 31, 2012 · Amount on File |
| Prior Sale | Jun 24, 2005 · Amount on File |
| Deed Document Number | 2012359158 |
| Prior Transfer Date | Feb 14, 2003 |
| Prior Transfer Doc | 0000097935 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4366 Planet Cir was $4,799.
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 | $320,280 (+2%) Land $96,084 Building $224,196 | ||
| 2025 | $4,799.00 | $314,001 Land $94,200 Building $219,801 | |
| 2023 | $4,949.00 | $301,810 Land $90,543 Building $211,267 | $712,890 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4366 Planet Cir 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 4366 Planet Cir 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 | Direct burnable vegetation |
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 976 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| 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 | 100 / 20 |
May also be available: Sail Internet, Verizon.
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