What kinds of homes are in Orinda, CA?

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

Orinda, CA has 7,475 (±320) homes (2020–2024 American Community Survey).

That is about 582 homes per square mile of land.

94.6% are detached single-family houses.

0.1% are in buildings of two to four units.

4.0% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 7,475 (±320)
Detached houses: 94.6%
2–4 unit buildings: 0.1%
5+ unit buildings: 4.0%

Homes in Orinda by building size

Housing units by units in structure, 2020–2024
Building type	Orinda	Contra Costa County	California	United States
Single-family, detached	94.6% (±2.1 points)	67.5%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	1.3% (±0.8 points)	8.9%	7.4%	6.2%
2 units	0.0% (±0.6 points)	1.4%	2.4%	3.4%
3 or 4 units	0.1% (±0.2 points)	4.2%	5.4%	4.3%
5 to 9 units	0.0% (±0.6 points)	3.7%	5.7%	4.5%
10 to 19 units	0.0% (±0.6 points)	3.1%	4.9%	4.3%
20 or more units	4.0% (±2.0 points)	9.7%	13.6%	10.3%
Mobile home	0.0% (±0.6 points)	1.4%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±0.6 points)	0.1%	0.1%	0.1%

In Orinda, the share of homes in buildings of five or more units is lower than in Contra Costa County (16.5%).

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 Orinda

Nearest places with a published estimate, compared with Orinda
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Orinda	—	4.0% (±2.2 points)	—
Lafayette	2.8 mi	12.0% (±2.9 points)	Higher
Moraga	3.5 mi	9.1% (±3.0 points)	Higher
Saranap	5.1 mi	29.5% (±9.7 points)	Higher
Acalanes Ridge	5.2 mi	0.0% (±16.8 points)	Not measurably different
Piedmont	5.3 mi	1.3% (±1.9 points)	Not measurably different
Reliez Valley	5.4 mi	7.8% (±8.6 points)	Not measurably different
Castle Hill	6.0 mi	0.0% (±19.6 points)	Not measurably different
Kensington	6.5 mi	0.0% (±3.3 points)	Lower

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

Nearby places with a measurably higher figure: Lafayette, CA (12.0%), Moraga, CA (9.1%), Saranap, CA (29.5%).

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 Contra Costa County, place by place

Rank	Place	Homes in buildings of 5 or more units
23	Vine Hill	7.0% (±7.1 points)
24	Rodeo	6.5% (±3.6 points)
25	Danville	6.0% (±1.6 points)
26	Rollingwood	5.5% (±7.7 points)
27	Pacheco	4.9% (±6.4 points)
28	Brentwood	4.1% (±1.3 points)
29	Orinda	4.0% (±2.2 points)
30	Oakley	3.5% (±1.2 points)
31 (tie)	Byron	3.4% (±12.1 points)
31 (tie)	Mountain View (community)	3.4% (±5.6 points)
33	Alamo	1.9% (±2.4 points)
34	Crockett	1.6% (±3.9 points)
35	Blackhawk	1.4% (±2.1 points)

Showing 13 of 48 places in Contra Costa 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 Orinda

How many homes are in Orinda?

Orinda, CA has an estimated 7,475 (±320) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Orinda houses or apartments?

94.6% are detached houses and 1.3% attached houses, while 4.1% are in buildings of two or more units.

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

0.1% of homes in Orinda 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 — Orinda 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 Orinda city, California (place:54232, 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.