Alameda County property record for 4621 Maritime Loop, Union City, CA 94587
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,797 sqft · built 1996 |
| Lot Size | 0.195 acres (8,512 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $721,000 (Aug 2010) |
| Tax Bill | $12,602 (2025) |
| Deeds & Mortgages | Feb 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 482-44-43-2 |
| Primary APN | 482-44-43-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,797 sqft Living Area |
| Year Built | Built 1996 |
|---|---|
| Effective Year Built | Effective 1996 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 8,512 sqft (0.195 acres) |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 4621 MARITIME LOOP |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-6006 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00043 BLK: TR: 6616 |
| Legal Tract | 6616 |
| Legal Lot Number | 43 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 440332 |
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 | 33575 MAVERICK LOOP, FREMONT, CA 94555-3519 |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 26, 2010 · Amount on Record |
| Deed Sale | Aug 26, 2010 · Amount on Record |
| Prior Sale | Jan 26, 2010 · Amount on Record |
| Deed Document Number | 2010247080 |
| Prior Transfer Date | Nov 20, 1997 |
| Prior Transfer Doc | 0000315737 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4621 MARITIME LOOP, UNION CITY, CA 94587-6006 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIRST AMERICAN TITLE INS CO |
| Name | Verified Name |
|---|
| Document Number | 0000042626 |
|---|---|
| Date | Feb 15, 2017 |
| Instrument | 2017042626 |
| Name | FIRST BANK |
|---|---|
| Type | Bank |
| Address | VALLEJO, CA 94591 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
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 | $942,144 (+2%) Land $282,643 Building $659,501 | ||
| 2025 | $12,602.00 (+1.33%) | $923,672 (+4.04%) Land $277,101 Building $646,571 | |
| 2023 | $12,437.00 | $887,817 Land $266,345 Building $621,472 | $1,665,900 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 72 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 1,200 / 35 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Tekify Fiber & Wireless Fixed Wireless | 570 / 120 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: T-Mobile.
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