How many bedrooms do homes in San Mateo, CA have?

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

In San Mateo, CA, 28.4% of homes are studios or one-bedrooms and 41.9% have three or more bedrooms (2020–2024 American Community Survey).

The most common size is 2 bedrooms, 29.8% of homes.

Figures last updated on November 12, 2026.

Studio or 1 bedroom: 28.4%
3 or more bedrooms: 41.9% (±1.9 points)
Most common: 2 bedrooms

Homes in San Mateo by bedroom count

Housing units by bedrooms, 2020–2024
Bedrooms	San Mateo	San Mateo County	California	United States
No bedroom (studio)	8.1% (±1.1 points)	5.7%	5.0%	2.9%
1 bedroom	20.3% (±1.6 points)	16.4%	13.2%	10.9%
2 bedrooms	29.8% (±1.7 points)	24.9%	26.9%	25.0%
3 bedrooms	28.4% (±1.5 points)	31.6%	32.8%	38.7%
4 bedrooms	10.8% (±1.1 points)	16.3%	17.6%	17.5%
5 or more bedrooms	2.7% (±0.4 points)	5.1%	4.5%	4.9%

In San Mateo, the share of homes with three or more bedrooms is lower than in San Mateo County (53.0%).

It is also lower than in California (54.9%).

It is lower than the national figure (61.1%).

Homes with 3 or more bedrooms in places near San Mateo

Nearest places with a published estimate, compared with San Mateo
Place	Distance	Homes with 3 or more bedrooms	Compared with this place
San Mateo	—	41.9% (±1.9 points)	—
Hillsborough	2.6 mi	96.6% (±8.7 points)	Higher
Baywood Park	2.7 mi	98.7% (±16.1 points)	Higher
Foster City	3.3 mi	49.1% (±3.0 points)	Higher
Belmont	3.3 mi	53.2% (±4.7 points)	Higher
Highlands	3.4 mi	89.5% (±10.4 points)	Higher
Burlingame	3.5 mi	39.5% (±3.6 points)	Not measurably different
San Carlos	4.8 mi	61.9% (±3.8 points)	Higher
Millbrae	5.7 mi	57.1% (±4.1 points)	Higher

Nearby places with a measurably higher figure: Hillsborough, CA (96.6%), Baywood Park, CA (98.7%), Foster City, CA (49.1%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes with 3 or more bedrooms across San Mateo County, place by place

Rank	Place	Homes with 3 or more bedrooms
21	Belmont	53.2% (±4.7 points)
22	East Palo Alto	50.5% (±5.9 points)
23	Colma	49.8% (±12.3 points)
24	San Bruno	49.7% (±3.4 points)
25	Foster City	49.1% (±3.0 points)
26	Redwood City	44.1% (±2.2 points)
27	San Mateo	41.9% (±1.9 points)
28	Brisbane	39.6% (±10.3 points)
29	Burlingame	39.5% (±3.6 points)
30	North Fair Oaks	35.9% (±5.1 points)
31	La Honda	15.5% (±15.5 points)

Showing 11 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 San Mateo

What is the most common home size in San Mateo?

The most common size is 2 bedrooms, 29.8% of homes in San Mateo, CA.

How many studios and one-bedroom homes are in San Mateo?

28.4% of homes in San Mateo have one bedroom or none.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — San Mateo 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 Mateo city, California (place:68252, 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_0039PE, DP04_0039PM, DP04_0040PE, DP04_0040PM, DP04_0041PE, DP04_0041PM, DP04_0042PE, DP04_0042PM, DP04_0043PE, DP04_0043PM, DP04_0044PE, DP04_0044PM

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.