What kinds of homes are in Los Osos, CA?

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

Los Osos, CA has 6,367 (±425) homes (2020–2024 American Community Survey).

That is about 499 homes per square mile of land.

80.2% are detached single-family houses.

6.9% are in buildings of two to four units.

2.9% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 6,367 (±425)
Detached houses: 80.2%
2–4 unit buildings: 6.9%
5+ unit buildings: 2.9%

Homes in Los Osos by building size

Housing units by units in structure, 2020–2024
Building type	Los Osos	San Luis Obispo County	California	United States
Single-family, detached	80.2% (±3.6 points)	67.8%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	3.9% (±1.5 points)	6.1%	7.4%	6.2%
2 units	3.9% (±2.0 points)	2.9%	2.4%	3.4%
3 or 4 units	3.0% (±1.8 points)	5.3%	5.4%	4.3%
5 to 9 units	1.2% (±0.9 points)	3.6%	5.7%	4.5%
10 to 19 units	0.6% (±0.5 points)	2.6%	4.9%	4.3%
20 or more units	1.1% (±0.7 points)	3.8%	13.6%	10.3%
Mobile home	6.2% (±1.8 points)	7.7%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±0.7 points)	0.2%	0.1%	0.1%

In Los Osos, the share of homes in buildings of five or more units is lower than in San Luis Obispo County (10.0%).

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 Los Osos

Nearest places with a published estimate, compared with Los Osos
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Los Osos	—	2.9% (±1.2 points)	—
Morro Bay	4.8 mi	4.5% (±1.8 points)	Not measurably different
California Polytechnic State University	8.9 mi	39.4% (±57.1 points)	Not measurably different
San Luis Obispo	9.2 mi	24.9% (±2.5 points)	Higher
Avila Beach	9.5 mi	2.0% (±6.7 points)	Not measurably different
Cayucos	9.9 mi	8.8% (±5.0 points)	Higher
Los Ranchos	13 mi	0.0% (±11.6 points)	Not measurably different
Santa Margarita	13 mi	0.0% (±10.4 points)	Not measurably different
Pismo Beach	14 mi	9.6% (±3.2 points)	Higher

Nearby places with a measurably higher figure: San Luis Obispo, CA (24.9%), Cayucos, CA (8.8%), Pismo Beach, CA (9.6%).

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 Luis Obispo County, place by place

Rank	Place	Homes in buildings of 5 or more units
7	Cayucos	8.8% (±5.0 points)
8	Nipomo	5.2% (±3.2 points)
9	Grover Beach	4.8% (±1.9 points)
10	Morro Bay	4.5% (±1.8 points)
11	Oceano	4.4% (±2.7 points)
12	Templeton	3.9% (±2.0 points)
13	Los Osos	2.9% (±1.2 points)
14	Avila Beach	2.0% (±6.7 points)
15	Cambria	1.2% (±0.6 points)
16	Lake Nacimiento	0.9% (±3.4 points)
17 (tie)	Callender	0.0% (±8.0 points)
17 (tie)	Los Ranchos	0.0% (±11.6 points)
17 (tie)	San Miguel (San Luis Obispo County)	0.0% (±7.8 points)

Showing 13 of 22 places in San Luis Obispo County, ranked from highest to lowest.

Los Osos 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 Los Osos

How many homes are in Los Osos?

Los Osos, CA has an estimated 6,367 (±425) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Los Osos houses or apartments?

80.2% are detached houses and 3.9% attached houses, while 9.8% are in buildings of two or more units.

How many two-family and small multifamily homes are in Los Osos?

6.9% of homes in Los Osos 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 — Los Osos 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 Los Osos CDP, California (place:44182, 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.