What kinds of homes are in Aliso Viejo, CA?

Name: Types of homes in Aliso Viejo, CA, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Aliso Viejo, CA has 20,507 (±617) homes (2020–2024 American Community Survey).

That is about 2,961 homes per square mile of land.

36.4% are detached single-family houses.

4.6% are in buildings of two to four units.

33.6% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 20,507 (±617)
Detached houses: 36.4%
2–4 unit buildings: 4.6%
5+ unit buildings: 33.6%

Homes in Aliso Viejo by building size

Housing units by units in structure, 2020–2024
Building type	Aliso Viejo	Orange County	California	United States
Single-family, detached	36.4% (±2.5 points)	49.4%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	24.5% (±2.6 points)	13.0%	7.4%	6.2%
2 units	0.3% (±0.2 points)	1.9%	2.4%	3.4%
3 or 4 units	4.3% (±1.6 points)	7.0%	5.4%	4.3%
5 to 9 units	8.0% (±1.6 points)	5.9%	5.7%	4.5%
10 to 19 units	5.9% (±1.5 points)	4.7%	4.9%	4.3%
20 or more units	19.7% (±2.7 points)	15.5%	13.6%	10.3%
Mobile home	0.9% (±1.0 points)	2.7%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±0.2 points)	0.1%	0.1%	0.1%

In Aliso Viejo, the share of homes in buildings of five or more units is higher than in Orange County (26.1%).

It is also higher than in California (24.2%).

It is higher than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Aliso Viejo

Nearest places with a published estimate, compared with Aliso Viejo
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Aliso Viejo	—	33.6% (±3.5 points)	—
Laguna Hills	2.0 mi	17.7% (±3.4 points)	Lower
Laguna Woods	2.3 mi	50.5% (±4.8 points)	Higher
Laguna Beach	3.1 mi	12.6% (±2.4 points)	Lower
Laguna Niguel	3.8 mi	20.2% (±2.1 points)	Lower
Mission Viejo	4.7 mi	11.9% (±1.5 points)	Lower
Ladera Ranch	5.4 mi	13.9% (±3.4 points)	Lower
Lake Forest	6.1 mi	18.8% (±2.1 points)	Lower
Las Flores	6.1 mi	25.6% (±10.2 points)	Not measurably different

Nearby places with a measurably lower figure: Laguna Hills, CA (17.7%), Laguna Beach, CA (12.6%), Laguna Niguel, CA (20.2%).

Nearby places with a measurably higher figure: Laguna Woods, CA (50.5%).

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

Homes in buildings of 5 or more units across Orange County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Laguna Woods	50.5% (±4.8 points)
2	Irvine	36.9% (±1.3 points)
3	Anaheim	36.6% (±1.5 points)
4	Tustin	35.9% (±3.0 points)
5	Seal Beach	35.8% (±3.2 points)
6	Aliso Viejo	33.6% (±3.5 points)
7	Santa Ana	33.4% (±1.4 points)
8	Costa Mesa	33.2% (±2.1 points)
9	Stanton	31.3% (±4.1 points)
10	Fullerton	29.6% (±2.0 points)
11	Los Alamitos	27.5% (±4.7 points)
12	La Habra	27.4% (±2.6 points)

Showing 12 of 42 places in Orange County, ranked from highest to lowest.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Aliso Viejo

How many homes are in Aliso Viejo?

Aliso Viejo, CA has an estimated 20,507 (±617) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Aliso Viejo houses or apartments?

36.4% are detached houses and 24.5% attached houses, while 38.2% are in buildings of two or more units.

How many two-family and small multifamily homes are in Aliso Viejo?

4.6% of homes in Aliso Viejo are in buildings of two to four units, the small rental buildings that are often owner-occupied.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Aliso Viejo city, California

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 Aliso Viejo city, California (place:00947, in state:06).

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

The API needs a free key.

Request a Census API key.

DP04_0001E, DP04_0001M, DP04_0007PE, DP04_0007PM, DP04_0008PE, DP04_0008PM, DP04_0009PE, DP04_0009PM, DP04_0010PE, DP04_0010PM, DP04_0011PE, DP04_0011PM, DP04_0012PE, DP04_0012PM, DP04_0013PE, DP04_0013PM, DP04_0014PE, DP04_0014PM, DP04_0015PE, DP04_0015PM

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.