| Primary address | 1 Union Square, Union City |
| Alternate address(es) | 34536 Alvarado Niles Rd 34554 Alvarado Niles Rd 34560 Alvarado Niles Rd |
| Zip code | 94587 |
| County | Alameda |
| Parcel ID | 87-19-16 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 01/12/2001 |
| Sale price | $537,000 |
| Arm's length | Register |
| Property tax | $507,639 |
| Building sqft | 189,244 |
| Total sqft | 189,244 |
| Building class | Shopping Center-Neighborhood/Grocery Anchor (3700) |
| Acreage | 16.56 |
| Buildings on lot | 2 |
| Year built | 1990 |
| Stories | 1 |
| Construction type | Exterior walls - noncombustible material Interior/roof - combustible materials Floor - concrete/wood frames |
| Elevator | Register |
| Zoning district | Register |
| School district | New Haven SCH |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
This Shopping Center-Neighborhood/Grocery Anchor (3700) located at 1 Union Square, Union City, CA 94587 has a total of 189,244 square feet and a current price per square foot of $2.
What is the year built & the current market value of 1 Union Square, Union City, CA 94587?1 Union Square, Union City, CA 94587 was built in 1990 and has a current tax assessor's market value of $40,221,763.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
| Listing type | For Lease |
|---|---|
| Listing date | 02/28/2020 |
| Last updated | 03/30/2026 |
| Lot size | 16.56 Acre |
| Suite name | Space type | Lease rate | Available space | Brokers |
|---|---|---|---|---|
| 1650 Decoto Road | Retail | $21/Sqft/Year | 31,000 | Robert B. Facchino III David Taxin |
Create a free account to view the complete sales history for 1 Union Square, Union City, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 1 Union Square, Union City, CA 94587. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax | $507,639 |
| Market value | $40,221,763 |
Here's the assessment & property tax history for 1 Union Square, Union City, including the evolution of the total tax rate and corresponding property tax.
| Year | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|
| 2025-2026 | $40,221,763 | 1.2621 | $507,639 | +4.15% |
| 2024-2025 | $39,433,200 | 1.236 | $487,394 | -21.54% |
| 2023-2024 | $38,660,121 | 1.6069 | $621,229 | +31.95% |
| 2022-2023 | $37,902,257 | 1.2422 | $470,822 | +2.25% |
| 2021-2022 | $37,159,076 | 1.2392 | $460,475 | +2.86% |
The complete history of permits filed for 1 Union Square, Union City, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
Access a detailed real estate market overview of Union City so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Union City and compare it to other neighborhoods in Alameda County.
Check out recently sold homes in Union-City and see how their prices compare.
| Total population | 67,464 |
| Median age | 43 |
| Average household income | $177,461 |
| Family households | 77.9% |
| Occupied housing units | 21,240 |
| Owner occupied units | 64.7% |
| Average number of people per household | 3.13 |
| Median year structure built | 1980 |
| Median value for units with a mortgage | $1,168,000 |
| Median value for units without a mortgage | $939,700 |
Create a free account to unlock extended information for 1 Union Square, Union City, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | 0.2, X (See more on map) |
| Fire hazard zone | See more on map |
| Faults and tsunami inundation zone map | Register |
| Landslides and liquefaction map | Register |
Access the detailed traffic volume map for 1 Union Square, Union City to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
Here are the neighbors for 1 Union Square, Union City.