What kinds of homes are in Walnut Creek, CA?

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

Walnut Creek, CA has 34,389 (±779) homes (2020–2024 American Community Survey).

That is about 1,740 homes per square mile of land.

36.8% are detached single-family houses.

10.0% are in buildings of two to four units.

36.9% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 34,389 (±779)
Detached houses: 36.8%
2–4 unit buildings: 10.0%
5+ unit buildings: 36.9%

Homes in Walnut Creek by building size

Housing units by units in structure, 2020–2024
Building type	Walnut Creek	Contra Costa County	California	United States
Single-family, detached	36.8% (±1.7 points)	67.5%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	16.3% (±1.3 points)	8.9%	7.4%	6.2%
2 units	2.0% (±0.5 points)	1.4%	2.4%	3.4%
3 or 4 units	8.0% (±1.2 points)	4.2%	5.4%	4.3%
5 to 9 units	7.6% (±1.3 points)	3.7%	5.7%	4.5%
10 to 19 units	5.3% (±0.9 points)	3.1%	4.9%	4.3%
20 or more units	24.0% (±1.9 points)	9.7%	13.6%	10.3%
Mobile home	0.2% (±0.2 points)	1.4%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±0.1 points)	0.1%	0.1%	0.1%

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

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

It is higher than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Walnut Creek

Nearest places with a published estimate, compared with Walnut Creek
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Walnut Creek	—	36.9% (±2.5 points)	—
San Miguel (Contra Costa County)	1.1 mi	0.5% (±4.5 points)	Lower
Contra Costa Centre	1.8 mi	81.4% (±8.4 points)	Higher
Acalanes Ridge	2.1 mi	0.0% (±16.8 points)	Lower
Castle Hill	2.2 mi	0.0% (±19.6 points)	Lower
Saranap	2.2 mi	29.5% (±9.7 points)	Not measurably different
Alamo	3.6 mi	1.9% (±2.4 points)	Lower
Pleasant Hill	4.0 mi	22.8% (±3.8 points)	Lower
Reliez Valley	4.3 mi	7.8% (±8.6 points)	Lower

Nearby places with a measurably lower figure: San Miguel (Contra Costa County), CA (0.5%), Acalanes Ridge, CA (0.0%), Castle Hill, CA (0.0%).

Nearby places with a measurably higher figure: Contra Costa Centre, CA (81.4%).

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)

Showing 8 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 Walnut Creek

How many homes are in Walnut Creek?

Walnut Creek, CA has an estimated 34,389 (±779) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Walnut Creek houses or apartments?

36.8% are detached houses and 16.3% attached houses, while 46.9% are in buildings of two or more units.

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

10.0% of homes in Walnut Creek 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 — Walnut Creek 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 Walnut Creek city, California (place:83346, 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.