| Primary address | 423 Riviera Drive, Union City |
| Zip code | 94587 |
| County | Alameda |
| Parcel ID | 87-37-98-1 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 08/25/2025 |
| Sale price | $1,130,000 |
| Arm's length | Register |
| Current property tax | $4,262 |
| Building sqft | 1,932 |
| Building class | Single Family Residential Homes Used as Such (1100) |
| Acreage | 0.12 |
| Units | 1 |
| Year built | 1967 |
| Stories | 2 |
| Bedrooms | 5 |
| Bathrooms | 2 |
| Zoning district | Single Family Residential (RS 6000) |
| 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:
423 Riviera Drive, Union City, CA 94587 was built in 1967 and has a total of 1,932 square feet.
What is the assessed value of 423 Riviera Drive, Union City, CA 94587 and the property tax paid?Assessed at $344,690, the tax amount paid for 423 Riviera Drive, Union City, CA 94587 is $4,350.
When was 423 Riviera Drive, Union City, CA 94587 last sold and what was the last sale price?423 Riviera Drive, Union City, CA 94587 was last sold in 08/25/2025 for $1,130,000.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 423 Riviera Drive, Union City, including title documents, transfer conditions, mortgages and liens.
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 423 Riviera Drive, Union City, CA 94587. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $4,350 |
| Current property tax | $4,262 |
| Market value | $344,690 |
Here's the assessment & property tax history for 423 Riviera Drive, 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 | $344,690 | 1.2621 | $4,350 | +4.15% |
| 2024-2025 | $337,932 | 1.236 | $4,177 | -21.54% |
| 2023-2024 | $331,306 | 1.6069 | $5,324 | +31.95% |
| 2022-2023 | $324,811 | 1.2422 | $4,035 | +2.25% |
| 2021-2022 | $318,443 | 1.2392 | $3,946 | +2.86% |
The complete history of permits filed for 423 Riviera Drive, 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.
Create a free account to unlock extended information for 423 Riviera Drive, 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) | 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 423 Riviera Drive, 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 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Guy Jr. Emanuele Elementary School | 5 | Public | K-5 | 666 | 1.03 |
| Purple Lotus Buddhist School | NR | Private | K-12 | 25 | 1.35 |
| Niles Elementary School | 7 | Public | TK-5 | 546 | 1.49 |
| Niles Elementary School | 7 | Public | TK-5 | 546 | 1.49 |
| Connecting Waters Charter - East Bay | 7 | Charter | K-12 | 494 | 1.57 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Purple Lotus Buddhist School | NR | Private | K-12 | 25 | 1.35 |
| Connecting Waters Charter - East Bay | 7 | Charter | K-12 | 494 | 1.57 |
| New Haven Adult | NR | Public | 0 | 1.58 | |
| Our Lady Of The Rosary | NR | Private | K-8 | 129 | 1.59 |
| Decoto School For Independent Study | 4 | Public | K-12 | 295 | 1.70 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Purple Lotus Buddhist School | NR | Private | K-12 | 25 | 1.35 |
| Connecting Waters Charter - East Bay | 7 | Charter | K-12 | 494 | 1.57 |
| New Haven Adult | NR | Public | 0 | 1.58 | |
| James Logan high school | 7 | Public | 9-12 | 3,315 | 1.58 |
| Decoto School For Independent Study | 4 | Public | K-12 | 295 | 1.70 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 423 Riviera Drive, Union City.