What kinds of homes are in San Ramon, CA?

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

San Ramon, CA has 30,744 (±589) homes (2020–2024 American Community Survey).

That is about 1,533 homes per square mile of land.

63.5% are detached single-family houses.

3.8% are in buildings of two to four units.

19.2% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 30,744 (±589)
Detached houses: 63.5%
2–4 unit buildings: 3.8%
5+ unit buildings: 19.2%

Homes in San Ramon by building size

Housing units by units in structure, 2020–2024
Building type	San Ramon	Contra Costa County	California	United States
Single-family, detached	63.5% (±1.9 points)	67.5%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	13.4% (±1.5 points)	8.9%	7.4%	6.2%
2 units	0.6% (±0.3 points)	1.4%	2.4%	3.4%
3 or 4 units	3.2% (±0.7 points)	4.2%	5.4%	4.3%
5 to 9 units	4.8% (±0.8 points)	3.7%	5.7%	4.5%
10 to 19 units	5.0% (±1.3 points)	3.1%	4.9%	4.3%
20 or more units	9.4% (±1.5 points)	9.7%	13.6%	10.3%
Mobile home	0.0% (±0.1 points)	1.4%	3.5%	5.6%
Boat, RV, van, etc.	0.1% (±0.1 points)	0.1%	0.1%	0.1%

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

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

It is not measurably different from the national figure (19.1%).

Homes in buildings of 5 or more units in places near San Ramon

Nearest places with a published estimate, compared with San Ramon
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
San Ramon	—	19.2% (±2.1 points)	—
Camino Tassajara	3.1 mi	15.7% (±8.4 points)	Not measurably different
Blackhawk	3.2 mi	1.4% (±2.1 points)	Lower
Norris Canyon	3.3 mi	0.0% (±18.2 points)	Lower
Danville	3.8 mi	6.0% (±1.6 points)	Lower
Dublin	3.9 mi	26.7% (±2.3 points)	Higher
Diablo	5.4 mi	0.0% (±14.7 points)	Lower
Pleasanton	7.3 mi	20.6% (±2.2 points)	Not measurably different
Alamo	7.6 mi	1.9% (±2.4 points)	Lower

Nearby places with a measurably lower figure: Blackhawk, CA (1.4%), Norris Canyon, CA (0.0%), Danville, CA (6.0%).

Nearby places with a measurably higher figure: Dublin, CA (26.7%).

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
1	Contra Costa Centre	81.4% (±8.4 points)
2	Walnut Creek	36.9% (±2.5 points)
3	Saranap	29.5% (±9.7 points)
4	Concord	26.0% (±1.9 points)
5	San Pablo	25.1% (±3.7 points)
6	Pleasant Hill	22.8% (±3.8 points)
7	San Ramon	19.2% (±2.1 points)
8	Richmond	19.1% (±2.0 points)
9	El Cerrito	17.0% (±2.2 points)
10	Pittsburg	15.9% (±2.2 points)
11	Hercules	15.8% (±3.6 points)
12	Camino Tassajara	15.7% (±8.4 points)
13	El Sobrante (Contra Costa County)	14.3% (±4.7 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 San Ramon

How many homes are in San Ramon?

San Ramon, CA has an estimated 30,744 (±589) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in San Ramon houses or apartments?

63.5% are detached houses and 13.4% attached houses, while 23.0% are in buildings of two or more units.

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

3.8% of homes in San Ramon 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 — San Ramon 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 San Ramon city, California (place:68378, 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.