What kinds of homes are in Alta Sierra, CA?

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

Alta Sierra, CA has 3,233 (±256) homes (2020–2024 American Community Survey).

That is about 389 homes per square mile of land.

94.5% are detached single-family houses.

1.9% are in buildings of two to four units.

0.4% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 3,233 (±256)
Detached houses: 94.5%
2–4 unit buildings: 1.9%
5+ unit buildings: 0.4%

Homes in Alta Sierra by building size

Housing units by units in structure, 2020–2024
Building type	Alta Sierra	Nevada County	California	United States
Single-family, detached	94.5% (±3.8 points)	81.7%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	3.2% (±3.0 points)	2.5%	7.4%	6.2%
2 units	0.0% (±1.3 points)	1.8%	2.4%	3.4%
3 or 4 units	1.9% (±2.2 points)	2.9%	5.4%	4.3%
5 to 9 units	0.4% (±0.7 points)	2.1%	5.7%	4.5%
10 to 19 units	0.0% (±1.3 points)	1.4%	4.9%	4.3%
20 or more units	0.0% (±1.3 points)	2.6%	13.6%	10.3%
Mobile home	0.0% (±1.3 points)	4.6%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±1.3 points)	0.4%	0.1%	0.1%

In Alta Sierra, the share of homes in buildings of five or more units is lower than in Nevada County (6.1%).

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 Alta Sierra

Nearest places with a published estimate, compared with Alta Sierra
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Alta Sierra	—	0.4% (±2.0 points)	—
Colfax	5.6 mi	11.6% (±5.1 points)	Higher
Lake of the Pines	6.1 mi	0.0% (±2.9 points)	Not measurably different
Grass Valley	6.5 mi	28.9% (±5.8 points)	Higher
Meadow Vista	8.6 mi	0.0% (±5.0 points)	Not measurably different
Penn Valley	9.1 mi	0.0% (±9.5 points)	Not measurably different
Nevada City	9.3 mi	2.2% (±3.5 points)	Not measurably different
Lake Wildwood	11 mi	0.8% (±2.8 points)	Not measurably different
North Auburn	14 mi	9.1% (±3.2 points)	Higher

Nearby places with a measurably higher figure: Colfax, CA (11.6%), Grass Valley, CA (28.9%), North Auburn, CA (9.1%).

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 Nevada County, place by place

Rank	Place	Homes in buildings of 5 or more units
1	Grass Valley	28.9% (±5.8 points)
2	Truckee	7.1% (±2.1 points)
3	Nevada City	2.2% (±3.5 points)
4	Lake Wildwood	0.8% (±2.8 points)
5	Alta Sierra	0.4% (±2.0 points)
6 (tie)	Lake of the Pines	0.0% (±2.9 points)
6 (tie)	Penn Valley	0.0% (±9.5 points)

Alta Sierra 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 Alta Sierra

How many homes are in Alta Sierra?

Alta Sierra, CA has an estimated 3,233 (±256) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Alta Sierra houses or apartments?

94.5% are detached houses and 3.2% attached houses, while 2.3% are in buildings of two or more units.

How many two-family and small multifamily homes are in Alta Sierra?

1.9% of homes in Alta Sierra 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 — Alta Sierra CDP (Nevada County), 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 Alta Sierra CDP (Nevada County), California (place:01360, 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.