Alameda County property record for 4142 Asimuth Cir, Union City, CA 94587
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 1.5 ba · 1,280 sqft · built 1974 |
| Lot Size | 0.041 acres (1,794 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $650,000 (Apr 2018) |
| Tax Bill | $10,170 (2025) |
| Deeds & Mortgages | Apr 2018 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 483-103-197 |
| Primary APN | 483-103-197 |
|---|---|
| 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 1974 |
|---|---|
| Effective Year Built | Effective 1976 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 1,794 sqft (0.041 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 4142 ASIMUTH CIR |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-4024 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | LOT: 00059 BLK: TR: 3218 |
| Legal Subdivision | TR 3218 |
| Legal Tract | 3218 |
| Legal Lot Number | 59 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 440306 |
4142 Asimuth Cir, a townhouse, is held in a trust since April 2018.
Source: Alameda County records, as of August 26, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 6682 ELWOOD RD, SAN JOSE, CA 95120-3018 |
| Owner Type | Company |
| Vesting | Trust, Family Living 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 | 2 Names on Deed |
|---|---|
| Last Sale | Apr 25, 2018 · Amount on File |
| Deed Sale | Apr 25, 2018 · Amount on File |
| Prior Sale | May 19, 2011 · Amount on File |
| Deed Document Number | 201881955 |
| Prior Transfer Date | May 16, 2011 |
| Prior Transfer Doc | 0000149157 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Apr 25, 2018 |
| Property Address | 4142 ASIMUTH CIR, UNION CITY, CA 94587-4024 |
| Document Number | 0000081955 |
| Map Reference | MB 78 PG 51-54 |
| Instrument Date | Apr 18, 2018 |
| Instrument | 2018081955 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 6682 ELWOOD RD, SAN JOSE, CA 95120-3018 |
| Document Number | 0000081956 |
|---|---|
| Date | Apr 25, 2018 |
| Instrument | 2018081956 |
| Name | FIRST TECHNOLOGY FEDERAL CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | May 1, 2033 |
The 2025 property tax bill for 4142 Asimuth Cir was $10,170.
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 | $754,363 (+2%) Land $226,309 Building $528,054 | ||
| 2025 | $10,170.00 | $739,575 Land $221,872 Building $517,703 | |
| 2023 | $9,990.00 | $710,858 Land $213,257 Building $497,601 | $720,090 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4142 Asimuth 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.
The area around 4142 Asimuth Cir has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 859 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
May also be available: GeoLinks, Sail Internet, Verizon.
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