What kinds of homes are in Discovery Bay, CA?

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

Discovery Bay, CA has 6,053 (±386) homes (2020–2024 American Community Survey).

That is about 1,082 homes per square mile of land.

90.8% are detached single-family houses.

0.1% are in buildings of two to four units.

1.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 6,053 (±386)
Detached houses: 90.8%
2–4 unit buildings: 0.1%
5+ unit buildings: 1.3%

Homes in Discovery Bay by building size

Housing units by units in structure, 2020–2024
Building type	Discovery Bay	Contra Costa County	California	United States
Single-family, detached	90.8% (±3.7 points)	67.5%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	7.7% (±3.6 points)	8.9%	7.4%	6.2%
2 units	0.1% (±0.2 points)	1.4%	2.4%	3.4%
3 or 4 units	0.0% (±0.7 points)	4.2%	5.4%	4.3%
5 to 9 units	0.0% (±0.7 points)	3.7%	5.7%	4.5%
10 to 19 units	0.0% (±0.7 points)	3.1%	4.9%	4.3%
20 or more units	1.3% (±1.7 points)	9.7%	13.6%	10.3%
Mobile home	0.0% (±0.7 points)	1.4%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±0.7 points)	0.1%	0.1%	0.1%

In Discovery Bay, 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 Discovery Bay

Nearest places with a published estimate, compared with Discovery Bay
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Discovery Bay	—	1.3% (±2.0 points)	—
Byron	3.3 mi	3.4% (±12.1 points)	Not measurably different
Knightsen	4.7 mi	0.0% (±12.1 points)	Not measurably different
Brentwood	6.9 mi	4.1% (±1.3 points)	Higher
Oakley	8.0 mi	3.5% (±1.2 points)	Not measurably different
Bethel Island	8.5 mi	0.0% (±6.9 points)	Not measurably different
Mountain House	10 mi	0.5% (±0.9 points)	Not measurably different
Antioch	12 mi	11.2% (±1.5 points)	Higher
Country Club	15 mi	0.4% (±1.8 points)	Not measurably different

Nearby places with a measurably higher figure: Brentwood, CA (4.1%), Antioch, CA (11.2%).

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
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)
36	Discovery Bay	1.3% (±2.0 points)
37	Clayton	0.6% (±1.6 points)
38	San Miguel (Contra Costa County)	0.5% (±4.5 points)
39 (tie)	Acalanes Ridge	0.0% (±16.8 points)
39 (tie)	Bayview (Contra Costa County)	0.0% (±8.3 points)
39 (tie)	Bethel Island	0.0% (±6.9 points)
39 (tie)	Castle Hill	0.0% (±19.6 points)

Showing 13 of 48 places in Contra Costa County, ranked from highest to lowest.

Discovery Bay 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 Discovery Bay

How many homes are in Discovery Bay?

Discovery Bay, CA has an estimated 6,053 (±386) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Discovery Bay houses or apartments?

90.8% are detached houses and 7.7% attached houses, while 1.4% are in buildings of two or more units.

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

0.1% of homes in Discovery Bay 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 — Discovery Bay 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 Discovery Bay CDP, California (place:19339, 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.