46 homes in Altadena

Altadena is an unincorporated area and census-designated place in the San Gabriel Valley and the Verdugos regions of Los Angeles County, California. Directly north of Pasadena, it is located approximately 14 miles (23 km) from Downtown Los Angeles. Its population was 42,846 at the 2020 census, up slightly from a 2010 figure of 42,777. In early 2025, the community was severely impacted by the Eaton Fire.
Altadena is an unincorporated community at the base of the San Gabriel Mountains. Features historic homes, Christmas Tree Lane, and mountain access.
Today, Altadena has 47 homes for sale at a median price of $1,649,990, typically selling in about 56 days.
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Median Home Price
$1.65M
↑ 50.5% over the past yearMonths of Supply
Estimated time to sell all listings at the current sales pace
2.6 months of supply
Seller's MarketWith only 46 active listings, supply is tight.
What this means for buyers
Inventory is tight relative to how many homes sell each month—buyers have fewer options, and well-priced homes draw competition. Listings typically sell in ~56 days.
Sales Velocity
How fast homes are selling
Homes are taking longer to sell—buyers have more time to negotiate and explore options. Sales 78% faster than 6 months ago.
Inventory Distribution
Homes are selling at a healthy pace—more listings move within 30 days than sit longer on the market.
Most homes are selling within a month, but a meaningful share is starting to linger longer.
Housing Tenure in Altadena
Homeownership is significantly higher than average—this is a homeowner-dominated market with more long-term residents.
78%
Homeowners
22%
Renters
Homeownership is 22.5% higher than the California average (55.5%)
15,018 households (2023)
Median Price by Bedroom
Home prices rise significantly with each additional bedroom.
Each additional bedroom adds about $368K in value on average, with larger homes seeing bigger price jumps.
Largest increase: 2 → 3 bedrooms (+$615K)
Price Reductions
12 listings have reduced their price
26% of active listings
Average reduction: 10.1% (~$167K)
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