Alameda County  »  323 Riviera Dr

323 Riviera Drive, Union City, CA 94587 Property Information

323 Riviera Drive, Union City, CA 94587 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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323 Riviera Drive, Union City, CA 94587
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Address

Primary address 323 Riviera Drive, Union City
Zip code 94587
County Alameda
Parcel ID 87-32-30-1

Sales & Tax Overview for 323 Riviera Drive, Union City

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 01/07/2025
Sale price $1,360,000
Arm's length
Current property tax $6,183

Lot & Building Information for 323 Riviera Drive, Union City

Building sqft 2,280
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.22
Units 1
Year built 1965
Stories 2
Bedrooms 4
Bathrooms 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


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.

Other Property Data for 323 Riviera Drive, Union City

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  • • Improvements for 323 Riviera Drive, Union City , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
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About 323 Riviera Drive, Union City

What is the year built & the total sq. ft. for 323 Riviera Drive, Union City, CA 94587?

323 Riviera Drive, Union City, CA 94587 was built in 1965 and has a total of 2,280 square feet.

What is the assessed value of 323 Riviera Drive, Union City, CA 94587 and the property tax paid?

Assessed at $496,930, the tax amount paid for 323 Riviera Drive, Union City, CA 94587 is $6,271.

When was 323 Riviera Drive, Union City, CA 94587 last sold and what was the last sale price?

323 Riviera Drive, Union City, CA 94587 was last sold in 01/07/2025 for $1,360,000.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
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Past Sales & Property History for 323 Riviera Drive, Union City

Create a free account to view the complete sales history for 323 Riviera Drive, Union City, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
01/07/2025 $1,360,000
09/04/2009 $385,000
06/01/2004 $445,000
       
       
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*Here are the three most recent sales for this property.


Title Documents for 323 Riviera Drive, Union City

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.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
01/07/2025 Deed of trust 01/01/2055
01/07/2025 Grant Deed
03/19/2021 Deed of trust 03/01/2051
09/26/2013 Interspousal Transfer Deed
12/13/2012 Deed of Trust 01/01/2043
09/04/2009 Deed
02/14/2006 Deed
06/01/2004 Deed
12/05/1997 Deed
08/07/1997 Deed
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R: Recorded date
D: Document date

Property Taxes for 323 Riviera Drive, Union City

Access detailed property tax data for 323 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 $6,272
Current property tax $6,183
Market value $496,930

Assessment History for 323 Riviera Drive, Union City

Here's the assessment & property tax history for 323 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 $496,930 1.2621 $6,272 +4.15%
2024-2025 $487,190 1.236 $6,022 -21.54%
2023-2024 $477,638 1.6069 $7,675 +31.95%
2022-2023 $468,274 1.2422 $5,817 +2.25%
2021-2022 $459,096 1.2392 $5,689 +2.86%

Permits for 323 Riviera Drive, Union City

The complete history of permits filed for 323 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.

Issued Permit Type Status
08/01/2019
03/03/2017
11/05/2013
10/21/2013
09/30/2013
09/23/2013
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Union City residential market stats

Median Sale Price
$1,284,000
-7% YoY
Median Price/Sqft
$759
-7.8% YoY
Alameda County Median Sale Price
$965,000
-7.1% YoY

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.

Risk

Create a free account to unlock extended information for 323 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
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 323 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

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Guy Jr. Emanuele Elementary School 5 Public K-5 666 1.00
Purple Lotus Buddhist School NR Private K-12 25 1.29
Niles Elementary School 7 Public TK-5 546 1.45
Niles Elementary School 7 Public TK-5 546 1.45
New Haven Adult NR Public 0 1.45

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Purple Lotus Buddhist School NR Private K-12 25 1.29
New Haven Adult NR Public 0 1.45
Connecting Waters Charter - East Bay 7 Charter K-12 494 1.53
Our Lady Of The Rosary NR Private K-8 129 1.56
Decoto School For Independent Study 4 Public K-12 295 1.69

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Purple Lotus Buddhist School NR Private K-12 25 1.29
James Logan high school 7 Public 9-12 3,315 1.45
New Haven Adult NR Public 0 1.45
Connecting Waters Charter - East Bay 7 Charter K-12 494 1.53
Decoto School For Independent Study 4 Public K-12 295 1.69

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 323 Riviera Drive, Union City

Here are the neighbors for 323 Riviera Drive, Union City.

Address Square feet Purchase date Purchase price
217 Appian Way, Union City 04/11/2023
185 Appian Way, Union City 1,550 12/09/2020 $430,000
34300 Zwissig Way, Union City 11/23/2020 $12,425,754
319 Riviera Dr, Union City 1,848 11/16/2016 $760,000
257 Riviera Dr, Union City 04/07/2023 $227,500
331 Riviera Dr, Union City 1,920 10/06/2005 $655,000
1895 Serpentine Dr, Union City 1,551 01/31/2000
289 Riviera Dr, Union City 1,287 02/22/2002
137 Appian Way, Union City 1,844 06/08/2009 $370,000
219 Appian Way, Union City 2,340 05/04/2004
34734 Alvarado Niles Rd, Union City 8,272 03/12/2009 $1,187,000
355 Riviera Dr, Union City 2,362 10/09/2023
281 Riviera Dr, Union City 1,092 10/19/2015 $590,000
327 Riviera Dr, Union City 2,040 10/18/2005 $455,909
351 Riviera Dr, Union City 2,088 12/31/2015 $820,000
312 Riviera Dr, Union City 1,744 01/31/2022 $594,000
309 Monte Carlo Ave, Union City 1,430 03/26/2021 $605,500
225 Appian Way, Union City 06/13/2023 $170,500
301 Monte Carlo Ave, Union City 1,430 11/25/2020
149 Appian Way, Union City 1,550 12/14/2018

Nearby ZIP Codes for 323 Riviera Drive, Union City

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