What is the rental vacancy rate in Altadena, CA?

Name: Vacancy rate in Altadena, CA, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

The rental vacancy rate in Altadena, CA is 0.9% (±1.3 points) (2020–2024 American Community Survey).

The homeowner vacancy rate is 0.2% (±0.3 points).

723 (±262) homes, 4.6% of all housing units, were vacant, a count that includes seasonal homes and homes being sold or rented.

In Altadena, the rental vacancy rate went from 1.6% in 2015–2019 to 0.9% in 2020–2024 (−0.7 percentage points), not a measurable change.

Figures last updated on November 12, 2026.

Rental vacancy rate: 0.9% (±1.3 points)
Homeowner vacancy rate: 0.2% (±0.3 points)
Vacant homes: 723 (±262)

Vacancy in Altadena against Los Angeles County, its state and the nation

Estimate (90% margin of error)
	Altadena	Los Angeles County	California	United States
Rental vacancy rate	0.9% (±1.3 points)	4.0% (±0.1 points)	4.2% (±0.1 points)	5.5%
Homeowner vacancy rate	0.2% (±0.3 points)	0.7% (±0.1 points)	0.8% (±0.1 points)	0.9%
Vacant housing units	723 (±262)	234,017 (±5,084)	1,096,644 (±18,928)	14,547,859

The rental vacancy rate is the share of rental homes that are vacant and for rent; it leaves out homes already rented but not yet moved into, and seasonal homes.

In Altadena, the rental vacancy rate is lower than in Los Angeles County (4.0%).

It is also lower than in California (4.2%).

It is lower than the national figure (5.5%).

Rental vacancy rate in places near Altadena

Nearest places with a published estimate, compared with Altadena
Place	Distance	Rental vacancy rate	Compared with this place
Altadena	—	0.9% (±1.3 points)	—
Pasadena	2.2 mi	3.6% (±1.0 points)	Higher
La Cañada Flintridge	3.9 mi	8.0% (±7.0 points)	Not measurably different
San Pasqual	4.1 mi	9.6% (±9.7 points)	Not measurably different
San Marino	5.0 mi	1.0% (±1.8 points)	Not measurably different
East Pasadena	5.1 mi	4.1% (±5.7 points)	Not measurably different
Sierra Madre	5.1 mi	0.0% (±2.0 points)	Not measurably different
South Pasadena	5.9 mi	2.8% (±2.2 points)	Not measurably different
East San Gabriel	6.1 mi	6.7% (±4.1 points)	Higher

Nearby places with a measurably higher figure: Pasadena, CA (3.6%), East San Gabriel, CA (6.7%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Rental vacancy rate across Los Angeles County, place by place

Rank	Place	Rental vacancy rate
89 (tie)	Pomona	1.2% (±0.6 points)
89 (tie)	Walnut Park	1.2% (±1.7 points)
91	Norwalk	1.1% (±1.0 points)
92 (tie)	Downey	1.0% (±0.5 points)
92 (tie)	San Marino	1.0% (±1.8 points)
92 (tie)	West Whittier-Los Nietos	1.0% (±1.2 points)
95	Altadena	0.9% (±1.3 points)
96	San Fernando	0.8% (±1.0 points)
97 (tie)	Baldwin Park	0.7% (±0.7 points)
97 (tie)	Maywood	0.7% (±0.7 points)
97 (tie)	Paramount	0.7% (±0.7 points)
97 (tie)	La Crescenta-Montrose	0.7% (±1.0 points)
101 (tie)	Bell	0.5% (±0.5 points)

Showing 13 of 140 places in Los Angeles County, ranked from highest to lowest.

Altadena is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about Altadena

Is it hard to find a rental in Altadena?

The rental vacancy rate in Altadena, CA is 0.9% (±1.3 points); a low rate means few rental homes stand empty and for rent at any time, which usually means more competition for each one.

Is the rental market in Altadena tighter than it was?

In Altadena, the rental vacancy rate went from 1.6% in 2015–2019 to 0.9% in 2020–2024 (−0.7 percentage points), not a measurable change.

How many homes are vacant in Altadena?

An estimated 723 (±262) housing units, 4.6% of the total, including seasonal homes and homes waiting to be sold or rented.

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Altadena CDP, California (place:01290, in state:06).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are DP04_0005E, DP04_0005M from the 2019 release.

The API needs a free key.

Request a Census API key.

DP04_0005E, DP04_0005M, DP04_0004E, DP04_0004M, DP04_0003E, DP04_0003M, DP04_0003PE, DP04_0003PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.