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Market Intelligence · CA / Los Angeles County

Altadena, CA home prices and housing market

1 ZIP market liveData updated September 2026Typical value$1.13M1-yr changeDown5.3%

The typical home value in Altadena, CA is $1.13M as of September 2026, down 5.3% from a year ago, based on the Zillow Home Value Index. In the typical Altadena ZIP code, the median list price is $1.57M and homes spend a median of 50 days on market as of September 2026 (Realtor.com).

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The coverage

Altadena, by the numbers.

Typical home valueZillow ZHVI, September 2026
$1.13M
1-yr changeMedian across Altadena ZIPs
-5.3%
ZIP markets live2 tracked in Altadena
1
County
Los Angeles County

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12-month value trend

-5.3% over 12 months

Typical home value in Altadena over the last 12 months: $1.19M in Sep 2025 to $1.13M in Sep 2026 (-5.3%).

Sep 2025$1.19M

Sep 2026$1.13M

Median Zillow home value index across Altadena's ZIP codes.

Context

Altadena's housing market is showing signs of cooling. The typical home value sits at $1,126,420, down 5.3% over the past year as of September 2026. With 41 homes on the market and a median list price of $1,572,000, there is inventory available, though supply remains modest. Homes are taking a median of 50 days to sell, and 8.2% of listings have seen price reductions. For homeowners thinking about selling, the current environment favors patience and realistic pricing over speed.

The numbers

What is the housing market like in Altadena, CA?

Typical home value

$1.13M

Down5.3%YoY

Median list price

$1.57M

Days on market

50

Homes for sale

41

Price cuts

8.2%

New listings

20

Sources · Zillow ZHVI (September 2026) / Realtor.com (September 2026)

Figures reflect Altadena's ZIP codes with market data: values and listing medians take the median across ZIPs; inventory and new listings are summed.

Prices over time

Altadena, CA home prices over time

Typical home values in Altadena, CA are down 5.3% over the past year, from $1.19M in September 2025 to $1.13M in September 2026.

Typical home value in Altadena, CA, September of each year
MonthTypical value1-yr change
September 2026$1,126,420-5.3%
September 2025$1,190,029No prior year

Typical value is the median Zillow Home Value Index across Altadena ZIP codes, taken in September of each year so every row compares the same month.

Market balance

Is Altadena, CA a buyer's or seller's market?

Altadena, CA leans toward a seller's market.

Relatively few listings have cut their asking price, which usually gives sellers the stronger position.

Based on a median of 50 days on market and 8% of listings with a price cut in the typical Altadena ZIP code, and 20 new listings against 41 active listings across Altadena, as of September 2026 (Realtor.com).

The outlook

Altadena housing market forecast 2027

+2.1%

Weighted average of Zillow's ZIP forecasts, 12 months to September 2027

A weighted average of Zillow's ZIP forecasts, across 1 Altadena ZIP code, points to typical home values rising 2.1% by September 2027.

Over the 12 months through September 2026, typical home values in Altadena fell 5.3%, per the Zillow Home Value Index.

Will home prices drop in Altadena?

The forecasts do not call for a drop: a weighted average of Zillow's ZIP forecasts for Altadena shows typical home values rising 2.1% by September 2027, after a 5.3% decline over the past 12 months. Forecasts are not guarantees: mortgage rates, inventory, and the wider economy can move values either way.

How this is calculated: each ZIP code's 12-month Zillow forecast is weighted by its typical home value (Zillow Home Value Index, September 2026). 1 Altadena ZIP code has both figures.

Forecast: a weighted average of Zillow's ZIP forecasts (Zillow Home Value Forecast, published October 2026), calculated by Home Value Pros. A forecast, not a guarantee.

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Live markets

What ZIP codes are live in Altadena?

Typical value is the Zillow home value index (ZHVI) for each ZIP, as of September 2026. 1-yr change compares it to the same ZIP a year earlier. We track 2 Altadena ZIP codes in total; the remaining 1 publish as their data clears editorial QA.

Zillow ZHVI, September 2026

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Common questions

Questions about Altadena, CA home prices.

What is a typical home worth in Altadena?

The typical home value in Altadena is $1,126,420 as of September 2026. This represents a decline of 5.3% over the past year.

How long do homes stay on the market in Altadena?

Homes in Altadena take a median of 50 days to sell as of September 2026.

How much inventory is available in Altadena?

There are 41 homes for sale in Altadena as of September 2026, with 20 new listings during that period.

Are home prices going up or down in Altadena, CA?

Typical home values in Altadena, CA are down 5.3% over the past year, based on the Zillow Home Value Index as of September 2026.

Is Altadena, CA a buyer's or seller's market?

Altadena, CA leans toward a seller's market. Relatively few listings have cut their asking price, which usually gives sellers the stronger position. Based on a median of 50 days on market and 8% of listings with a price cut in the typical Altadena ZIP code, and 20 new listings against 41 active listings across Altadena, as of September 2026 (Realtor.com).

Nearby markets

More California housing markets.

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