What kinds of homes are in Fountain Valley, CA?

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

Fountain Valley, CA has 19,227 (±635) homes (2020–2024 American Community Survey).

That is about 2,120 homes per square mile of land.

67.8% are detached single-family houses.

4.4% are in buildings of two to four units.

16.1% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 19,227 (±635)
Detached houses: 67.8%
2–4 unit buildings: 4.4%
5+ unit buildings: 16.1%

Homes in Fountain Valley by building size

Housing units by units in structure, 2020–2024
Building type	Fountain Valley	Orange County	California	United States
Single-family, detached	67.8% (±2.0 points)	49.4%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	10.4% (±1.3 points)	13.0%	7.4%	6.2%
2 units	0.4% (±0.3 points)	1.9%	2.4%	3.4%
3 or 4 units	4.0% (±1.1 points)	7.0%	5.4%	4.3%
5 to 9 units	3.9% (±1.2 points)	5.9%	5.7%	4.5%
10 to 19 units	2.5% (±1.0 points)	4.7%	4.9%	4.3%
20 or more units	9.7% (±1.6 points)	15.5%	13.6%	10.3%
Mobile home	1.0% (±0.3 points)	2.7%	3.5%	5.6%
Boat, RV, van, etc.	0.2% (±0.2 points)	0.1%	0.1%	0.1%

In Fountain Valley, the share of homes in buildings of five or more units is lower than in Orange County (26.1%).

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

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

Homes in buildings of 5 or more units in places near Fountain Valley

Nearest places with a published estimate, compared with Fountain Valley
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Fountain Valley	—	16.1% (±2.2 points)	—
Midway City	3.1 mi	23.2% (±8.4 points)	Not measurably different
Huntington Beach	3.2 mi	23.7% (±1.4 points)	Higher
Westminster	3.8 mi	19.2% (±1.8 points)	Higher
Costa Mesa	3.8 mi	33.2% (±2.1 points)	Higher
Santa Ana	4.3 mi	33.4% (±1.4 points)	Higher
Garden Grove	4.7 mi	25.1% (±1.5 points)	Higher
Stanton	6.7 mi	31.3% (±4.1 points)	Higher
Orange	7.4 mi	20.8% (±1.6 points)	Higher

Nearby places with a measurably higher figure: Huntington Beach, CA (23.7%), Westminster, CA (19.2%), Costa Mesa, CA (33.2%).

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
24	Rancho Santa Margarita	20.1% (±2.8 points)
25	Westminster	19.2% (±1.8 points)
26	Lake Forest	18.8% (±2.1 points)
27 (tie)	Laguna Hills	17.7% (±3.4 points)
27 (tie)	Placentia	17.7% (±2.6 points)
29	Dana Point	16.4% (±3.1 points)
30	Fountain Valley	16.1% (±2.2 points)
31	Cypress	15.7% (±2.6 points)
32	San Clemente	15.0% (±2.0 points)
33	Ladera Ranch	13.9% (±3.4 points)
34	Laguna Beach	12.6% (±2.4 points)
35	Mission Viejo	11.9% (±1.5 points)
36	San Juan Capistrano	7.7% (±2.0 points)

Showing 13 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 Fountain Valley

How many homes are in Fountain Valley?

Fountain Valley, CA has an estimated 19,227 (±635) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Fountain Valley houses or apartments?

67.8% are detached houses and 10.4% attached houses, while 20.5% are in buildings of two or more units.

How many two-family and small multifamily homes are in Fountain Valley?

4.4% of homes in Fountain Valley 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 — Fountain Valley 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 Fountain Valley city, California (place:25380, 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.