Alameda County  »  31391 San Diego CT

31391 San Diego Court, Union City, CA 94587 Property Information

31391 San Diego Court, Union City, CA 94587 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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31391 San Diego Court, Union City, CA 94587
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Address

Primary address 31391 San Diego Court, Union City
Zip code 94587
County Alameda
Parcel ID 483-46-21

Sales & Tax Overview for 31391 San Diego Court, Union City

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

Sale date 11/26/2025
Sale price $951,000
Arm's length
Current property tax $1,195

Lot & Building Information for 31391 San Diego Court, Union City

Building sqft 1,447
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.14
Units 1
Year built 1970
Stories 1
Bedrooms 2
Bathrooms 1
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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 31391 San Diego Court, Union City

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  • • Improvements for 31391 San Diego Court, 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 31391 San Diego Court, Union City

What is the year built & the total sq. ft. for 31391 San Diego Court, Union City, CA 94587?

31391 San Diego Court, Union City, CA 94587 was built in 1970 and has a total of 1,447 square feet.

What is the assessed value of 31391 San Diego Court, Union City, CA 94587 and the property tax paid?

Assessed at $101,652, the tax amount paid for 31391 San Diego Court, Union City, CA 94587 is $1,282.

When was 31391 San Diego Court, Union City, CA 94587 last sold and what was the last sale price?

31391 San Diego Court, Union City, CA 94587 was last sold in 11/26/2025 for $951,000.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
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.
Research 100M+ property records powered by:
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Past Sales & Property History for 31391 San Diego Court, Union City

Create a free account to view the complete sales history for 31391 San Diego Court, Union City, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
11/26/2025 $951,000
11/26/2025 $800,000
       
       
       
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Title Documents for 31391 San Diego Court, 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
11/26/2025 Deed of trust
Ucc fin stmt(1-2 pgs)
Assignment lease
12/01/2026
11/26/2025 Grant Deed
11/26/2025 Grant Deed
09/05/2018 Trust Transfer Deed
               
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R: Recorded date
D: Document date

Property Taxes for 31391 San Diego Court, Union City

Access detailed property tax data for 31391 San Diego Court, 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 $1,283
Current property tax $1,195
Market value $101,652

Assessment History for 31391 San Diego Court, Union City

Here's the assessment & property tax history for 31391 San Diego Court, 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 $101,652 1.2621 $1,283 +4.15%
2024-2025 $99,659 1.236 $1,232 -21.54%
2023-2024 $97,705 1.6069 $1,570 +31.95%
2022-2023 $95,789 1.2422 $1,190 +2.22%
2021-2022 $93,911 1.2392 $1,164 +2.88%

Permits for 31391 San Diego Court, Union City

The complete history of permits filed for 31391 San Diego Court, 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.

Data not available for this property.

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 31391 San Diego Court, 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 31391 San Diego Court, Union City to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Alvarado Elementary School 4 Public K-5 660 0.76
Peace Terrace Academy NR Private PK-8 178 0.81
Peace Terrace Academy NR Private PK-8 178 0.81
Tom Kitayama Elementary School 6 Public K-5 615 0.84
Ardenwood Elementary School 8 Public TK-5 778 1.35

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Itliong-Vera Cruz Middle School 6 Public 6-8 1,102 0.72
Cesar Chavez Middle School 4 Public 6-8 1,012 0.75
Peace Terrace Academy NR Private PK-8 178 0.81
Union City Christian School NR Private K-12 71 1.53
New Haven Adult NR Public 0 1.95

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Union City Christian School NR Private K-12 71 1.53
New Haven Adult NR Public 0 1.95
James Logan high school 7 Public 9-12 3,315 1.95
Spectrum Center-Mission Valley Campus NR Private K-12 0 2.20
Connecting Waters Charter - East Bay 7 Charter K-12 494 2.22

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

Neighbors for 31391 San Diego Court, Union City

Here are the neighbors for 31391 San Diego Court, Union City.

Address Square feet Purchase date Purchase price
3148 San Joaquin Way, Union City 2,106 02/24/2017
3154 Santa Inez CT, Union City 1,530 09/20/2018
3055 San Mateo Way, Union City 1,530 03/12/2004 $461,000
31387 San Diego CT, Union City 1,556 12/20/2006
31379 Santa Fe Way, Union City 1,396
3176 San Joaquin Way, Union City 1,449 12/19/2005
31347 Santa Maria Dr, Union City 2,606 07/17/2006
3054 San Fernando Way, Union City 1,846 08/31/2016 $139,000
3160 San Joaquin Way, Union City 1,449
31366 Santa Elena Way, Union City 1,396 05/21/2009 $382,000
31343 Santa Maria Dr, Union City 1,396 02/10/2005 $554,000
3223 San Carvante Way, Union City 1,675
31392 Santa Elena Way, Union City 1,795 01/25/2005
3062 San Fernando Way, Union City 1,195 06/12/2020 $735,000
3058 San Fernando Way, Union City 1,556 11/10/2003
3059 San Mateo Way, Union City 1,762 08/05/2003 $445,000
3146 Santa Inez CT, Union City 3,407 03/19/2019
3150 Santa Inez CT, Union City 1,762 10/05/2021 $1,320,000
31370 Santa Elena Way, Union City 1,530 09/15/1998
3148 Santa Inez CT, Union City 1,396 05/20/2021

Nearby ZIP Codes for 31391 San Diego Court, Union City

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