Alameda County  »  94587  »  Riviera Dr  »  343 Riviera Dr

343 Riviera Drive, Union City, CA 94587 - Property report

Also known as: 343 Riviera Dr

Property image for 343 Riviera Drive, Union City, CA 94587
static Mapbox map

Property type

2 Units, Single Family Residence with Attached Accessory Dwelling Unit (2501)

Year built

1963

Acreage

1.46

Sale price

$1,200,000

General Information

Address
Primary address
343 Riviera Dr
Union City, CA 94587
Zip code
94587
County
Alameda
Parcel ID
87-32-25-1

Owner

Find out who owns 343 Riviera Drive, Union City, CA 94587. Uncover corporate and individual owners with a free account.

Sales
Sale date
05/24/2023
Sale price
$1,200,000
Arm's length
Tax
Tax year
2026-2027
Property tax
$16,072
Tax per sq. ft.
$9
Building
Property type
2 Units, Single Family Residence with Attached Accessory Dwelling Unit
Building sq. ft.
1,848
Stories
20
Year built
1963
Building material
Wood/wood and steel frames
Last altered
1977
Rooms
7
Elevator
Bedrooms
4
Bathrooms
20
Lot
Acreage
1.46
Zoning & use
Zoning
Single Family Residential (RS 6000)
Units
2

Area overview

Walk score
41 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
29 /100.  Somewhat Bikeable
School district
NEW HAVEN SCH
Ownership

Ownership information for 343 Riviera Drive, Union City, CA

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 343 Riviera Drive, Union City, CA 94587

Sale date Sale price Buyer name Seller name
05/24/2023 $1,200,000 XXXXXXXXXXXX XXXXX; XXXXXXXXXXXX XXXX X; XXXXXXXXXXXX XXXXX X XXXX XX; XX XXXXXXX
01/26/2015 $645,000 XXXX XX; XX XXXXXXX XXXXX XXXX X

*Most recent sales on record for this property.

More about Alameda County property records.

Title documents

Date Type Amount Party 1 Party 2
05/24/2023 Deed of trust XXXXXXXXXXXX XXXXX XXX XXXXXX XXX
05/24/2023 Grant Deed XXXX XX XXXXXXXXXXXX XXXXX
01/26/2015 Deed of Trust XXXX XX XXXXXXX XXXX
01/26/2015 Grant Deed XXXXX XXXX X XXXX XX
11/10/1997 Deed XXXXX XXXXX XXXXX, XXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 343 Riviera Drive, Union City, CA

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026-2027
Property tax
$16,072
Tax per sq. ft.
$9
Recent tax assessments
Market value
$1,273,440
Land value
$382,032
Building value
$891,408

More about Alameda County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $1,248,480 1.2621 $15,757 +4.15%
2024-2025 $1,224,000 1.236 $15,129 +26.36%
2023-2024 $745,071 1.6069 $11,973 +31.95%
2022-2023 $730,461 1.2422 $9,074 +2.25%
2021-2022 $716,143 1.2392 $8,874 +2.86%
2020-2021 $708,803 1.2172 $8,628 -1.32%
2019-2020 $694,910 1.2581 $8,743 +2.24%
2018-2019 $681,287 1.2551 $8,551 +2.38%
2017-2018 $667,928 1.2505 $8,352 +19.27%
2016-2017 $654,835 1.0694 $7,003 +842.81%
Permits

Permit information for 343 Riviera Drive, Union City, CA

Issued date Permit number Permit type Sub type Valuation Finaled date Status
11/23/2020
10/20/2020

*Most recent permits on record for this property.

Neighborhood

Union City residential market stats

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.

Median sale price

$1,111,000

-11.1% Y-o-Y

Median price/sq. ft.

$758

0.4% Y-o-Y

Alameda county median sale price

$955,000

-6.4% Y-o-Y

Check out recently sold homes in Union City and see how their prices compare.

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X
Landslides and liquefaction map

Fire hazard zones

Faults and tsunami inundation zones map

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 343 Riviera Drive, Union City, CA 94587 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
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 1.46
Niles Elementary School 7 Public TK-5 546 1.46
New Haven Adult NR Public 0 1.48
Searles Elementary School 5 Public K-5 702 1.50
Connecting Waters Charter - East Bay 7 Charter K-12 494 1.54
Our Lady Of The Rosary NR Private K-8 129 1.56
Decoto School For Independent Study 4 Public K-12 295 1.68
Mission Hills Middle School NR Private K-8 459 1.71
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Purple Lotus Buddhist School NR Private K-12 25 1.29
New Haven Adult NR Public 0 1.48
Connecting Waters Charter - East Bay 7 Charter K-12 494 1.54
Our Lady Of The Rosary NR Private K-8 129 1.56
Decoto School For Independent Study 4 Public K-12 295 1.68
Mission Hills Middle School NR Private K-8 459 1.71
Spectrum Center-Mission Valley Campus NR Private K-12 0 1.71
Northstar School NR Private K-8 126 1.74
Centerville Middle School 6 Public 6-8 946 2.56
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Purple Lotus Buddhist School NR Private K-12 25 1.29
James Logan high school 7 Public 9-12 3,315 1.48
New Haven Adult NR Public 0 1.48
Connecting Waters Charter - East Bay 7 Charter K-12 494 1.54
Decoto School For Independent Study 4 Public K-12 295 1.68
Spectrum Center-Mission Valley Campus NR Private K-12 0 1.71
Union City Christian School NR Private K-12 71 1.89
Core Learning Academy At Conley-Caraballo High 2 Public 9-12 124 2.12
Alternative Learning Academy At Conley-Caraballo High 1 Public 9-12 21 2.12
American High School 9 Public 9-12 2,501 2.15

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 343 Riviera Drive, Union City, CA

328 Riviera Dr, Union City 241 Riviera Dr, Union City 173 Appian Way, Union City 347 Riviera Dr, Union City 314 Monte Carlo Ave, Union City 329 Monaco Ave, Union City 233 Riviera Dr, Union City 101 Appian Way, Union City 258 Appian Way, Union City 1887 Serpentine Dr, Union City 337 Monaco Ave, Union City 318 Riviera Dr, Union City 273 Riviera Dr, Union City 265 Riviera Dr, Union City 209 Appian Way, Union City 256 Appian Way, Union City 320 Monte Carlo Ave, Union City 325 Monaco Ave, Union City 333 Monaco Ave, Union City 315 Riviera Dr, Union City

Nearby ZIP codes for 343 Riviera Drive, Union City, CA

94303, Santa Clara County, CA 94539, Alameda County, CA 94541, Alameda County, CA 94542, Alameda County, CA 94544, Alameda County, CA 94545, Alameda County, CA 94546, Alameda County, CA 94552, Alameda County, CA 94555, Alameda County, CA 94560, Alameda County, CA 94566, Alameda County, CA 94568, Alameda County, CA 94578, Alameda County, CA 94579, Alameda County, CA 94580, Alameda County, CA 94586, Alameda County, CA 95002, Santa Clara County, CA

Frequently asked questions

What is the year built for 343 Riviera Drive, Union City, CA 94587?

The development at 343 Riviera Drive, Union City, CA 94587 was built in 1963.

What is the total square footage of 343 Riviera Drive, Union City, CA 94587?

343 Riviera Drive, Union City, CA 94587 has a total of 1,848 square feet.

When was 343 Riviera Drive, Union City, CA 94587 last sold and what was the sale price?

343 Riviera Drive, Union City, CA 94587 was last sold on 05/24/2023 for $1,200,000.

What is the assessed value of 343 Riviera Drive, Union City, CA 94587?

343 Riviera Drive, Union City, CA 94587 is currently assessed at $1,248,480.

What are the property taxes for 343 Riviera Drive, Union City, CA 94587?

The property taxes for 343 Riviera Drive, Union City, CA 94587 total $15,757.

How many residential units does this building have?

This building has 2 residential unit(s).

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