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Castro Valley, CA Real Estate & Property Data

Castro Valley Real Estate Market Trends

Last Updated: September 20, 2025

It is crucial to have accurate and comprehensive real estate data to gain insights into the city of Castro Valley, CA. ATTOM offers up to date Castro Valley real estate data that is refreshed daily. Current market trends reveal that in the past year, 588 residential properties have been sold in Castro Valley, CA, with a median home price of $1,127,500. The average square footage of these properties is 1,835 sq ft, and the effective property tax rate is 0.69%. Additionally, there have been 5 foreclosures in the area in the past month. ATTOM is your one-stop-shop for detailed property data in Castro Valley, CA, providing you with the real estate information you need.

Castro Valley Real Estate Market Trends

Get property data for any address in Castro Valley, CA or the country:

Total Residential Properties 18,556

Total Commercial Properties 649

Avg. Home Age (Single Family Home) 62 Years

Avg. Square Feet (Single Family Home) 1,835

Total 2025 Residential Sales (year-to-date) 330

% of Homes Seriously Underwater (Q3 2025) 0.51%

Total 2024 Residential Sales 478

% of Equity Rich Homes (Q3 2025) 50.73%

Effective 2024 Property Tax 0.69%

Total Foreclosure Filings (year-to-date) 27

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Castro Valley, CA Real Estate Overview

In the last year, 588 residential properties were sold in Castro Valley, CA, with a median home value of $1,177,000. Castro Valley, CA has a total of 18,556 residential properties, including properties across 2 zip codes and 815 streets.

Median Sales Price i

$1,127,500

(Jul 2025)

+2.3%

year-over-year

y-o-y

July '25 Jul '25 $1,127,500
June '25 Jun '25 $1,260,000
May '25 May '25 $1,250,000
April '25 Apr '25 $1,307,500
March '25 Mar '25 $1,239,000
February '25 Feb '25 $1,250,000
January '25 Jan '25 $1,208,000
December '24 Dec '24 $1,080,000
November '24 Nov '24 $1,200,000
October '24 Oct '24 $1,164,000
September '24 Sep '24 $1,164,500
August '24 Aug '24 $1,190,000

Median Down Payment i

$292,500

(Jul 2025)

+12.3%

year-over-year

y-o-y

July '25 Jul '25 $292,500
June '25 Jun '25 $311,000
May '25 May '25 $302,600
April '25 Apr '25 $284,600
March '25 Mar '25 $305,500
February '25 Feb '25 $400,000
January '25 Jan '25 $338,000
December '24 Dec '24 $237,750
November '24 Nov '24 $269,100
October '24 Oct '24 $360,000
September '24 Sep '24 $275,625
August '24 Aug '24 $420,000

Number of Homes Sold i

74

(Jul 2025)

+51%

year-over-year

y-o-y

July '25 Jul '25 74
June '25 Jun '25 59
May '25 May '25 54
April '25 Apr '25 41
March '25 Mar '25 42
February '25 Feb '25 28
January '25 Jan '25 32
December '24 Dec '24 42
November '24 Nov '24 33
October '24 Oct '24 52
September '24 Sep '24 38
August '24 Aug '24 44

Number of Purchase Loans i

57

(Jul 2025)

+46.2%

year-over-year

y-o-y

July '25 Jul '25 57
June '25 Jun '25 46
May '25 May '25 41
April '25 Apr '25 34
March '25 Mar '25 40
February '25 Feb '25 28
January '25 Jan '25 26
December '24 Dec '24 36
November '24 Nov '24 38
October '24 Oct '24 38
September '24 Sep '24 37
August '24 Aug '24 38

Number of REFI Loans i

28

(Jul 2025)

+40%

year-over-year

y-o-y

July '25 Jul '25 28
June '25 Jun '25 14
May '25 May '25 24
April '25 Apr '25 24
March '25 Mar '25 31
February '25 Feb '25 18
January '25 Jan '25 22
December '24 Dec '24 20
November '24 Nov '24 29
October '24 Oct '24 40
September '24 Sep '24 29
August '24 Aug '24 24

Number of HELOC Loans i

16

(Jul 2025)

+33.3%

year-over-year

y-o-y

July '25 Jul '25 16
June '25 Jun '25 22
May '25 May '25 16
April '25 Apr '25 18
March '25 Mar '25 22
February '25 Feb '25 12
January '25 Jan '25 13
December '24 Dec '24 26
November '24 Nov '24 16
October '24 Oct '24 18
September '24 Sep '24 11
August '24 Aug '24 23

Castro Valley, CA Real Estate Market Overview

Last 30 days

Zip

Median Est. Value
Zip

Median Est. Value

94546

$1,177,000 $641.45/sqft
94552

$1,453,000 $628.61/sqft

Castro Valley, CA Foreclosure Activity

There were a total of 5 Castro Valley, CA properties with a foreclosure filing in July 2025.

Total Foreclosure Filings i

5

(Jul 2025)

+66.7%

year-over-year

y-o-y

July '25 Jul '25 5
June '25 Jun '25 3
May '25 May '25 2
April '25 Apr '25 6
March '25 Mar '25 3
February '25 Feb '25 2
January '25 Jan '25 6
December '24 Dec '24 N/A
November '24 Nov '24 4
October '24 Oct '24 3
September '24 Sep '24 5
August '24 Aug '24 5

Foreclosure Starts i

4

(Jul 2025)

+33.3%

year-over-year

y-o-y

July '25 Jul '25 4
June '25 Jun '25 2
May '25 May '25 1
April '25 Apr '25 6
March '25 Mar '25 2
February '25 Feb '25 1
January '25 Jan '25 4
December '24 Dec '24 N/A
November '24 Nov '24 3
October '24 Oct '24 2
September '24 Sep '24 3
August '24 Aug '24 4

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 N/A
December '24 Dec '24 1
November '24 Nov '24 N/A
October '24 Oct '24 N/A
September '24 Sep '24 1
August '24 Aug '24 N/A

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