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Altadena, CA Real Estate & Property Data

Altadena Real Estate Market Trends

Last Updated: August 30, 2025

It is crucial to have accurate and comprehensive real estate data to gain insights into the city of Altadena, CA 91001. ATTOM offers up to date Altadena real estate data that is refreshed daily. Current market trends reveal that in the past year, 493 residential properties have been sold in Altadena, CA, with a median home price of $900,000. The average square footage of these properties is 1,722 sq ft, and the effective property tax rate is 0.53%. Additionally, there have been 10 foreclosures in the area in the past month. ATTOM is your one-stop-shop for detailed property data in Altadena, CA, providing you with the real estate information you need.

Altadena Real Estate Market Trends

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

Total Residential Properties 11,376

Total Commercial Properties 358

Avg. Home Age (Single Family Home) 83 Years

Avg. Square Feet (Single Family Home) 1,722

Total 2025 Residential Sales (year-to-date) 270

% of Homes Seriously Underwater (Q3 2025) 1.7%

Total 2024 Residential Sales 377

% of Equity Rich Homes (Q3 2025) 53.55%

Effective 2024 Property Tax 0.53%

Total Foreclosure Filings (year-to-date) 27

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Altadena, CA 91001 Real Estate Overview

There were 493 residential properties sold in the past year in Altadena, CA 91001. The median home value in Altadena, CA 91001 is $1,124,000. There are a total of 11,376 residential properties in the 91001.

Median Sales Price i

$900,000

(Jun 2025)

-35.3%

year-over-year

y-o-y

June '25 Jun '25 $900,000
May '25 May '25 $781,000
April '25 Apr '25 $640,000
March '25 Mar '25 $875,000
February '25 Feb '25 $603,500
January '25 Jan '25 $1,130,000
December '24 Dec '24 $1,264,000
November '24 Nov '24 $1,232,000
October '24 Oct '24 $1,422,500
September '24 Sep '24 $1,315,000
August '24 Aug '24 $1,410,000
July '24 Jul '24 $1,300,000

Median Down Payment i

$295,000

(Jun 2025)

-19.9%

year-over-year

y-o-y

June '25 Jun '25 $295,000
May '25 May '25 $219,000
April '25 Apr '25 $210,000
March '25 Mar '25 $350,000
February '25 Feb '25 $500,000
January '25 Jan '25 $353,750
December '24 Dec '24 $281,375
November '24 Nov '24 $352,000
October '24 Oct '24 $392,257
September '24 Sep '24 $405,500
August '24 Aug '24 $353,250
July '24 Jul '24 $355,000

Number of Homes Sold i

55

(Jun 2025)

+83.3%

year-over-year

y-o-y

June '25 Jun '25 55
May '25 May '25 58
April '25 Apr '25 82
March '25 Mar '25 52
February '25 Feb '25 14
January '25 Jan '25 9
December '24 Dec '24 27
November '24 Nov '24 31
October '24 Oct '24 31
September '24 Sep '24 32
August '24 Aug '24 34
July '24 Jul '24 38

Number of Purchase Loans i

26

(Jun 2025)

+4%

year-over-year

y-o-y

June '25 Jun '25 26
May '25 May '25 20
April '25 Apr '25 16
March '25 Mar '25 11
February '25 Feb '25 8
January '25 Jan '25 8
December '24 Dec '24 30
November '24 Nov '24 19
October '24 Oct '24 31
September '24 Sep '24 23
August '24 Aug '24 34
July '24 Jul '24 29

Number of REFI Loans i

108

(Jun 2025)

+881.8%

year-over-year

y-o-y

June '25 Jun '25 108
May '25 May '25 121
April '25 Apr '25 189
March '25 Mar '25 186
February '25 Feb '25 107
January '25 Jan '25 15
December '24 Dec '24 24
November '24 Nov '24 17
October '24 Oct '24 20
September '24 Sep '24 18
August '24 Aug '24 23
July '24 Jul '24 22

Number of HELOC Loans i

8

(Jun 2025)

-38.5%

year-over-year

y-o-y

June '25 Jun '25 8
May '25 May '25 9
April '25 Apr '25 5
March '25 Mar '25 4
February '25 Feb '25 2
January '25 Jan '25 8
December '24 Dec '24 9
November '24 Nov '24 15
October '24 Oct '24 19
September '24 Sep '24 19
August '24 Aug '24 23
July '24 Jul '24 18

Altadena, CA 91001 Real Estate Market Overview

Last 30 days

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Altadena, CA 91001 Foreclosure Activity

There were a total of 10 Altadena, CA 91001 properties with a foreclosure filing in June 2025.

Total Foreclosure Filings i

10

(Jun 2025)

year-over-year

y-o-y

June '25 Jun '25 10
May '25 May '25 4
April '25 Apr '25 3
March '25 Mar '25 2
February '25 Feb '25 6
January '25 Jan '25 2
December '24 Dec '24 4
November '24 Nov '24 6
October '24 Oct '24 8
September '24 Sep '24 5
August '24 Aug '24 1
July '24 Jul '24 6

Foreclosure Starts i

7

(Jun 2025)

-22.2%

year-over-year

y-o-y

June '25 Jun '25 7
May '25 May '25 3
April '25 Apr '25 3
March '25 Mar '25 1
February '25 Feb '25 4
January '25 Jan '25 2
December '24 Dec '24 3
November '24 Nov '24 5
October '24 Oct '24 6
September '24 Sep '24 3
August '24 Aug '24 1
July '24 Jul '24 4

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