Alameda County property record for 4250 Comet Cir, Union City, CA 94587 · Last verified August 2026
| Property Type | Residential > Condominium / Townhouse > Townhouse |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1.5 Baths |
| Year Built | Built 1972 |
| Square Footage | 1,125 sqft Living Area |
| Lot Size | 1,656 sqft (0.038 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $835,000 (2025) |
| Tax Bill | $9,647.00 (2025) |
| Primary APN | 483-102-99 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,125 sqft Living Area |
| Stories | 2 Stories |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Custom Design Style |
| Construction Type | Wood Construction |
| Lot Area | 1,656 sqft (0.038 acres) |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Street Address | 4250 COMET CIR |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-4026 |
| Property Usage | Residential Property Usage |
| Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | LOT: 00070 BLK: TR: 3218 |
| Legal Subdivision | CONTEMPO |
| Legal Tract | 3218 |
| Legal Lot Number | 70 |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | FREMONT |
| Census Blockgroup | 1 |
| Census Block | 1011 |
| Census Tract | 440306 |
Source: Alameda County records · APN 483-102-99
Assessment roll updated August 5, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 4250 COMET CIR, UNION CITY, CA 94587-4026 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Sep 27, 2021 | Grant Deed, Transfer CHICAGO TITLE COMPANY |
| Sep 27, 2021 | Intrafamily Transfer, Transfer · Federal Housing Administration (FHA) Mortgage SIERRA PACIFIC MORTGAGE CO INC |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 28, 2025 · Amount on Record |
| Deed Sale | Jan 28, 2025 · Amount on Record |
| Prior Sale | Sep 27, 2021 |
| Deed Doc Number | 202513253 |
| Prior Transfer Date | Sep 22, 2021 |
| Prior Transfer Doc | 0000323267 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 27, 2021 |
| Property Address | 4250 COMET CIR, UNION CITY, CA 94587-4026 |
| Document Number | 0000323266 |
| Map Reference | MB 78 PG 51&54 |
| Instrument Date | Sep 23, 2021 |
| Instrument | 2021323266 |
| Transaction Type | Transfer |
| Record Updated | Oct 18, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 4250 CORNET CIRCLE, UNION CITY, CA 94587 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 27, 2021 |
| Property Address | 4250 COMET CIR, UNION CITY, CA 94587-4026 |
| Document Number | 0000323267 |
| Map Reference | MB 78 PG 51-54 |
| Instrument Date | Sep 22, 2021 |
| Instrument | 2021323267 |
| Transaction Type | Transfer |
| Record Updated | Oct 18, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4250 COMET CIR, UNION CITY, CA 94587-4026 |
| Document Number | 0000323268 |
|---|---|
| Date | Sep 27, 2021 |
| Instrument | 2021323268 |
| Name | SIERRA PACIFIC MORTGAGE CO INC |
|---|---|
| Type | Mortgage Company |
| Type | Federal Housing Administration (FHA) Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2051 |
Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Union City |
| Unified School District | New Haven Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $844,700 (+21%) Land $255,510 Building $596,190 | ||
| 2025 | $9,647.00 (+2.63%) | $698,080 (+5.29%) Land $206,934 Building $491,146 | |
| 2023 | $9,400.00 | $663,000 Land $198,900 Building $464,100 | $653,400 |
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