Alameda County property record for 4207 Solar Cir, Union City, CA 94587
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2 ba · 1,280 sqft · built 1973 |
| Lot Size | 0.038 acres (1,645 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $875,000 (Aug 2024) |
| Tax Bill | $11,791 (2025) |
| Deeds & Mortgages | Sep 2025 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 483-103-162 |
| Primary APN | 483-103-162 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,280 sqft Living Area |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Custom Design |
| Exterior Material | Block |
| Construction Type | Wood |
| Lot Area | 1,645 sqft (0.038 acres) |
| Sewer | Municipal |
|---|---|
| Water Source | Commercial |
| Street Address | 4207 SOLAR CIR |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-4044 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | LOT: 00043 BLK: TR: 3316 |
| Legal Subdivision | TRACT 3316 FILED OCTOBER 4 1972 |
| Legal Tract | 3316 |
| Legal Lot Number | 43 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 440306 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 4207 SOLAR CIR, UNION CITY, CA 94587-4044 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 16, 2024 · Amount on Record |
| Deed Sale | Aug 16, 2024 · Amount on Record |
| Prior Sale | Oct 13, 2011 · Amount on Record |
| Deed Document Number | 2024100237 |
| Prior Transfer Date | Dec 7, 2011 |
| Prior Transfer Doc | 0000361963 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4207 SOLAR CIR, UNION CITY, CA 94587-4044 |
| Transaction Type | Mortgage |
| Record Updated | Oct 30, 2025 |
| Name | Verified Name |
|---|---|
| Address | 4207 SOLAR CIR, UNION CITY, CA 94587-4044 |
| Document Number | 0000122149 |
|---|---|
| Date | Sep 30, 2025 |
| Instrument | 2025122149 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | 1050 WOODWARD AVE, DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2055 |
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 | $753,000 (-13.94%) Land $228,000 Building $532,000 | ||
| 2025 | $11,791.00 (+168.83%) Homeowner's exemption | $875,000 (+232.48%) Land $262,500 Building $612,500 | |
| 2023 | $4,386.00 Homeowner's exemption | $263,175 Land $78,952 Building $184,223 | $594,630 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | Under 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 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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