What kinds of homes are in Belmont, CA?

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

Belmont, CA has 11,346 (±296) homes (2020–2024 American Community Survey).

That is about 2,451 homes per square mile of land.

54.3% are detached single-family houses.

2.7% are in buildings of two to four units.

38.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 11,346 (±296)
Detached houses: 54.3%
2–4 unit buildings: 2.7%
5+ unit buildings: 38.3%

Homes in Belmont by building size

Housing units by units in structure, 2020–2024
Building type	Belmont	San Mateo County	California	United States
Single-family, detached	54.3% (±3.6 points)	55.3%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	4.6% (±2.0 points)	8.7%	7.4%	6.2%
2 units	1.7% (±1.2 points)	2.0%	2.4%	3.4%
3 or 4 units	1.0% (±0.6 points)	4.0%	5.4%	4.3%
5 to 9 units	6.3% (±1.9 points)	5.6%	5.7%	4.5%
10 to 19 units	11.5% (±2.9 points)	6.1%	4.9%	4.3%
20 or more units	20.5% (±3.4 points)	17.0%	13.6%	10.3%
Mobile home	0.0% (±0.4 points)	1.1%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±0.4 points)	0.1%	0.1%	0.1%

In Belmont, the share of homes in buildings of five or more units is higher than in San Mateo County (28.7%).

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 Belmont

Nearest places with a published estimate, compared with Belmont
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Belmont	—	38.3% (±4.9 points)	—
San Carlos	1.8 mi	25.1% (±3.2 points)	Lower
Baywood Park	2.8 mi	0.0% (±11.8 points)	Lower
Highlands	2.8 mi	8.1% (±6.9 points)	Lower
San Mateo	3.3 mi	42.1% (±2.2 points)	Not measurably different
Emerald Lake Hills	3.7 mi	0.0% (±4.7 points)	Lower
Foster City	4.2 mi	38.6% (±3.3 points)	Not measurably different
Redwood City	4.4 mi	35.3% (±2.2 points)	Not measurably different
Hillsborough	4.6 mi	0.0% (±1.9 points)	Lower

Nearby places with a measurably lower figure: San Carlos, CA (25.1%), Baywood Park, CA (0.0%), Highlands, CA (8.1%).

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
1	Burlingame	43.5% (±4.0 points)
2	San Mateo	42.1% (±2.2 points)
3	Foster City	38.6% (±3.3 points)
4	Belmont	38.3% (±4.9 points)
5	Brisbane	36.5% (±12.9 points)
6	Redwood City	35.3% (±2.2 points)
7	East Palo Alto	33.5% (±4.4 points)
8	Millbrae	30.8% (±3.8 points)
9	San Bruno	30.6% (±3.2 points)
10	Menlo Park	27.8% (±3.3 points)

Showing 10 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 Belmont

How many homes are in Belmont?

Belmont, CA has an estimated 11,346 (±296) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Belmont houses or apartments?

54.3% are detached houses and 4.6% attached houses, while 41.0% are in buildings of two or more units.

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

2.7% of homes in Belmont 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 — Belmont 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 Belmont city, California (place:05108, 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.