What kinds of homes are in Casa de Oro-Mount Helix, CA?

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

Casa de Oro-Mount Helix, CA has 7,389 (±407) homes (2020–2024 American Community Survey).

That is about 1,079 homes per square mile of land.

82.2% are detached single-family houses.

3.8% are in buildings of two to four units.

12.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 7,389 (±407)
Detached houses: 82.2%
2–4 unit buildings: 3.8%
5+ unit buildings: 12.3%

Homes in Casa de Oro-Mount Helix by building size

Housing units by units in structure, 2020–2024
Building type	Casa de Oro-Mount Helix	San Diego County	California	United States
Single-family, detached	82.2% (±2.6 points)	50.0%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	1.7% (±0.9 points)	10.0%	7.4%	6.2%
2 units	0.2% (±0.3 points)	1.9%	2.4%	3.4%
3 or 4 units	3.6% (±1.6 points)	5.0%	5.4%	4.3%
5 to 9 units	4.0% (±1.8 points)	7.2%	5.7%	4.5%
10 to 19 units	2.3% (±1.6 points)	6.1%	4.9%	4.3%
20 or more units	6.0% (±2.1 points)	16.2%	13.6%	10.3%
Mobile home	0.0% (±0.6 points)	3.3%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±0.6 points)	0.1%	0.1%	0.1%

In Casa de Oro-Mount Helix, the share of homes in buildings of five or more units is lower than in San Diego County (29.5%).

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 Casa de Oro-Mount Helix

Nearest places with a published estimate, compared with Casa de Oro-Mount Helix
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Casa de Oro-Mount Helix	—	12.3% (±3.2 points)	—
Spring Valley	2.4 mi	16.7% (±3.5 points)	Not measurably different
El Cajon	2.7 mi	41.4% (±2.5 points)	Higher
Rancho San Diego	2.9 mi	20.4% (±3.8 points)	Higher
La Mesa	3.1 mi	36.0% (±3.1 points)	Higher
Bostonia	4.1 mi	31.9% (±5.9 points)	Higher
La Presa	4.1 mi	17.1% (±2.6 points)	Higher
Lemon Grove	4.4 mi	21.0% (±3.3 points)	Higher
Granite Hills	4.6 mi	0.0% (±6.1 points)	Lower

Nearby places with a measurably lower figure: Granite Hills, CA (0.0%).

Nearby places with a measurably higher figure: El Cajon, CA (41.4%), Rancho San Diego, CA (20.4%), La Mesa, CA (36.0%).

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 San Diego County, place by place

Rank	Place	Homes in buildings of 5 or more units
24	Ramona	16.2% (±4.4 points)
25	Alpine	14.4% (±5.1 points)
26	Lake San Marcos	14.1% (±4.7 points)
27	Encinitas	13.9% (±2.0 points)
28	Bonita	13.8% (±6.4 points)
29	Poway	13.4% (±2.1 points)
30	Casa de Oro-Mount Helix	12.3% (±3.2 points)
31	Bonsall	10.3% (±5.9 points)
32	Hidden Meadows	9.2% (±6.9 points)
33	Harmony Grove	7.5% (±12.8 points)
34	Borrego Springs	4.1% (±3.9 points)
35	Camp Pendleton South	2.6% (±1.9 points)
36	Pine Valley	1.7% (±8.1 points)

Showing 13 of 50 places in San Diego County, ranked from highest to lowest.

Casa de Oro-Mount Helix 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).

Margins of error are at the 90% confidence level.

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Questions about Casa de Oro-Mount Helix

How many homes are in Casa de Oro-Mount Helix?

Casa de Oro-Mount Helix, CA has an estimated 7,389 (±407) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Casa de Oro-Mount Helix houses or apartments?

82.2% are detached houses and 1.7% attached houses, while 16.1% are in buildings of two or more units.

How many two-family and small multifamily homes are in Casa de Oro-Mount Helix?

3.8% of homes in Casa de Oro-Mount Helix 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 — Casa de Oro-Mount Helix CDP, 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 Casa de Oro-Mount Helix CDP, California (place:11691, 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.