What kinds of homes are in Half Moon Bay, CA?

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

Half Moon Bay, CA has 4,473 (±386) homes (2020–2024 American Community Survey).

That is about 717 homes per square mile of land.

68.3% are detached single-family houses.

6.0% are in buildings of two to four units.

9.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 4,473 (±386)
Detached houses: 68.3%
2–4 unit buildings: 6.0%
5+ unit buildings: 9.3%

Homes in Half Moon Bay by building size

Housing units by units in structure, 2020–2024
Building type	Half Moon Bay	San Mateo County	California	United States
Single-family, detached	68.3% (±4.0 points)	55.3%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	11.3% (±2.7 points)	8.7%	7.4%	6.2%
2 units	2.4% (±1.5 points)	2.0%	2.4%	3.4%
3 or 4 units	3.6% (±2.1 points)	4.0%	5.4%	4.3%
5 to 9 units	3.4% (±1.7 points)	5.6%	5.7%	4.5%
10 to 19 units	1.1% (±0.8 points)	6.1%	4.9%	4.3%
20 or more units	4.8% (±1.8 points)	17.0%	13.6%	10.3%
Mobile home	4.8% (±1.4 points)	1.1%	3.5%	5.6%
Boat, RV, van, etc.	0.2% (±0.3 points)	0.1%	0.1%	0.1%

In Half Moon Bay, the share of homes in buildings of five or more units is lower than in San Mateo County (28.7%).

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 Half Moon Bay

Nearest places with a published estimate, compared with Half Moon Bay
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Half Moon Bay	—	9.3% (±2.6 points)	—
El Granada	3.5 mi	1.6% (±3.7 points)	Lower
Moss Beach	4.5 mi	0.0% (±6.8 points)	Lower
Montara	6.3 mi	0.0% (±5.9 points)	Lower
Highlands	6.3 mi	8.1% (±6.9 points)	Not measurably different
Baywood Park	6.9 mi	0.0% (±11.8 points)	Not measurably different
Hillsborough	7.7 mi	0.0% (±1.9 points)	Lower
Belmont	8.6 mi	38.3% (±4.9 points)	Higher
Millbrae	9.3 mi	30.8% (±3.8 points)	Higher

Nearby places with a measurably lower figure: El Granada, CA (1.6%), Moss Beach, CA (0.0%), Montara, CA (0.0%).

Nearby places with a measurably higher figure: Belmont, CA (38.3%), Millbrae, CA (30.8%).

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 San Mateo County, place by place

Rank	Place	Homes in buildings of 5 or more units
13	South San Francisco	24.4% (±2.4 points)
14	North Fair Oaks	18.0% (±4.1 points)
15	Colma	17.9% (±12.6 points)
16	Pacifica	14.6% (±2.3 points)
17	Portola Valley	13.1% (±7.8 points)
18	La Honda	10.7% (±12.1 points)
19	Half Moon Bay	9.3% (±2.6 points)
20	Broadmoor	8.3% (±11.0 points)
21	Highlands	8.1% (±6.9 points)
22	West Menlo Park	2.7% (±3.4 points)
23	El Granada	1.6% (±3.7 points)
24 (tie)	Atherton	0.0% (±2.8 points)
24 (tie)	Hillsborough	0.0% (±1.9 points)

Showing 13 of 31 places in San Mateo 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 Half Moon Bay

How many homes are in Half Moon Bay?

Half Moon Bay, CA has an estimated 4,473 (±386) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Half Moon Bay houses or apartments?

68.3% are detached houses and 11.3% attached houses, while 15.3% are in buildings of two or more units.

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

6.0% of homes in Half Moon 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 — Half Moon Bay 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 Half Moon Bay city, California (place:31708, 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.