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Union City, CA Real Estate & Property Data

Union City Real Estate Market Trends

Last Updated: September 27, 2025

It is crucial to have accurate and comprehensive real estate data to gain insights into the city of Union City, CA 94587. ATTOM offers up to date Union City real estate data that is refreshed daily. Current market trends reveal that in the past year, 486 residential properties have been sold in Union City, CA, with a median home price of $1,209,545. The average square footage of these properties is 1,786 sq ft, and the effective property tax rate is 0.65%. Additionally, there have been 1 foreclosures in the area in the past month. ATTOM is your one-stop-shop for detailed property data in Union City, CA, providing you with the real estate information you need.

Union City Real Estate Market Trends

Get property data for any address in Union City, CA or the country:

Total Residential Properties 17,395

Total Commercial Properties 248

Avg. Home Age (Single Family Home) 47 Years

Avg. Square Feet (Single Family Home) 1,786

Total 2025 Residential Sales (year-to-date) 253

% of Homes Seriously Underwater (Q3 2025) 0.29%

Total 2024 Residential Sales 408

% of Equity Rich Homes (Q3 2025) 62.74%

Effective 2024 Property Tax 0.65%

Total Foreclosure Filings (year-to-date) 23

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Union City, CA 94587 Real Estate Overview

There were 486 residential properties sold in the past year in Union City, CA 94587. The median home value in Union City, CA 94587 is $1,408,750. There are a total of 17,395 residential properties in the 94587.

Median Sales Price i

$1,209,545

(Jul 2025)

-16.7%

year-over-year

y-o-y

July '25 Jul '25 $1,209,545
June '25 Jun '25 $1,380,000
May '25 May '25 $1,511,500
April '25 Apr '25 $1,561,500
March '25 Mar '25 $1,500,000
February '25 Feb '25 $1,520,000
January '25 Jan '25 $1,422,000
December '24 Dec '24 $1,472,500
November '24 Nov '24 $1,490,000
October '24 Oct '24 $1,193,500
September '24 Sep '24 $1,412,500
August '24 Aug '24 $1,385,000

Median Down Payment i

$270,000

(Jul 2025)

-14.6%

year-over-year

y-o-y

July '25 Jul '25 $270,000
June '25 Jun '25 $278,000
May '25 May '25 $400,000
April '25 Apr '25 $366,000
March '25 Mar '25 $325,000
February '25 Feb '25 $393,500
January '25 Jan '25 $338,000
December '24 Dec '24 $317,625
November '24 Nov '24 $403,000
October '24 Oct '24 $336,000
September '24 Sep '24 $321,445
August '24 Aug '24 $300,295

Number of Homes Sold i

39

(Jul 2025)

-9.3%

year-over-year

y-o-y

July '25 Jul '25 39
June '25 Jun '25 41
May '25 May '25 29
April '25 Apr '25 42
March '25 Mar '25 44
February '25 Feb '25 26
January '25 Jan '25 32
December '24 Dec '24 29
November '24 Nov '24 43
October '24 Oct '24 40
September '24 Sep '24 37
August '24 Aug '24 41

Number of Purchase Loans i

35

(Jul 2025)

-7.9%

year-over-year

y-o-y

July '25 Jul '25 35
June '25 Jun '25 41
May '25 May '25 29
April '25 Apr '25 32
March '25 Mar '25 43
February '25 Feb '25 23
January '25 Jan '25 25
December '24 Dec '24 23
November '24 Nov '24 35
October '24 Oct '24 34
September '24 Sep '24 37
August '24 Aug '24 37

Number of REFI Loans i

26

(Jul 2025)

+116.7%

year-over-year

y-o-y

July '25 Jul '25 26
June '25 Jun '25 20
May '25 May '25 29
April '25 Apr '25 33
March '25 Mar '25 19
February '25 Feb '25 12
January '25 Jan '25 23
December '24 Dec '24 16
November '24 Nov '24 24
October '24 Oct '24 35
September '24 Sep '24 31
August '24 Aug '24 19

Number of HELOC Loans i

17

(Jul 2025)

-10.5%

year-over-year

y-o-y

July '25 Jul '25 17
June '25 Jun '25 19
May '25 May '25 17
April '25 Apr '25 12
March '25 Mar '25 14
February '25 Feb '25 17
January '25 Jan '25 16
December '24 Dec '24 18
November '24 Nov '24 11
October '24 Oct '24 9
September '24 Sep '24 9
August '24 Aug '24 21

Union City, CA 94587 Real Estate Market Overview

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Union City, CA 94587 Foreclosure Activity

There were a total of 1 Union City, CA 94587 properties with a foreclosure filing in July 2025.

Total Foreclosure Filings i

1

(Jul 2025)

-75%

year-over-year

y-o-y

July '25 Jul '25 1
June '25 Jun '25 4
May '25 May '25 3
April '25 Apr '25 4
March '25 Mar '25 2
February '25 Feb '25 5
January '25 Jan '25 4
December '24 Dec '24 2
November '24 Nov '24 1
October '24 Oct '24 2
September '24 Sep '24 3
August '24 Aug '24 5

Foreclosure Starts i

1

(Jul 2025)

-50%

year-over-year

y-o-y

July '25 Jul '25 1
June '25 Jun '25 2
May '25 May '25 2
April '25 Apr '25 2
March '25 Mar '25 2
February '25 Feb '25 5
January '25 Jan '25 3
December '24 Dec '24 N/A
November '24 Nov '24 N/A
October '24 Oct '24 1
September '24 Sep '24 2
August '24 Aug '24 3

Completed Foreclosures (REOs) i

July '25 Jul '25 N/A
June '25 Jun '25 N/A
May '25 May '25 N/A
April '25 Apr '25 N/A
March '25 Mar '25 N/A
February '25 Feb '25 N/A
January '25 Jan '25 1
December '24 Dec '24 N/A
November '24 Nov '24 N/A
October '24 Oct '24 N/A
September '24 Sep '24 N/A
August '24 Aug '24 N/A

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