Alameda County property record for 4203 Apollo Cir, Union City, CA 94587
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 1.5 ba · 1,255 sqft · built 1970 |
| Lot Size | 0.033 acres (1,449 sqft) |
| Owner | Trust Name on File |
| Last Sale | $414,500 (Mar 2002) |
| Tax Bill | $4,087 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 483-73-81 |
| Primary APN | 483-73-81 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,255 sqft Living Area |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Custom Design |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 1,449 sqft (0.033 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4203 APOLLO CIR |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-4007 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | RM2500 |
| Legal Description | LOT: 00085 BLK: TR: 3204 |
| Legal Subdivision | RYLAND GLEN |
| Legal Tract | 3204 |
| Legal Lot Number | 1 |
| Legal Unit | 17 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 440306 |
4203 Apollo Cir, a townhouse, is held in a trust since October 2012.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 4203 APOLLO CIR, UNION CITY, CA 94587-4007 |
| Owner Type | Company |
| Vesting | Trust |
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 | Mar 29, 2002 · Amount on File |
| Deed Sale | Mar 29, 2002 · Amount on File |
| Prior Sale | Mar 29, 2002 · Amount on File |
| Deed Document Number | 2002141603 |
| Last Transfer Date | Oct 30, 2012 |
| Transfer Doc | 0000364063 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4203 Apollo Cir was $4,087.
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 | $262,710 (+2%) Land $78,813 Building $183,897 | ||
| 2025 | $4,087.00 | $257,560 Land $77,268 Building $180,292 | |
| 2023 | $4,280.00 | $247,560 Land $74,268 Building $173,292 | $637,380 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4203 Apollo Cir in Zone X, an area of minimal flood risk.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 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.
Wildfire risk around 4203 Apollo 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 | 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 712 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 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Unwired, Verizon.
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