What kinds of homes are in San Lorenzo, CA?

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

San Lorenzo, CA has 8,816 (±359) homes (2020–2024 American Community Survey).

That is about 2,894 homes per square mile of land.

78.3% are detached single-family houses.

2.7% are in buildings of two to four units.

11.2% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 8,816 (±359)
Detached houses: 78.3%
2–4 unit buildings: 2.7%
5+ unit buildings: 11.2%

Homes in San Lorenzo by building size

Housing units by units in structure, 2020–2024
Building type	San Lorenzo	Alameda County	California	United States
Single-family, detached	78.3% (±2.6 points)	51.0%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	5.6% (±2.2 points)	8.8%	7.4%	6.2%
2 units	0.0% (±0.5 points)	3.6%	2.4%	3.4%
3 or 4 units	2.7% (±1.3 points)	6.5%	5.4%	4.3%
5 to 9 units	2.8% (±1.1 points)	5.2%	5.7%	4.5%
10 to 19 units	2.7% (±1.1 points)	4.9%	4.9%	4.3%
20 or more units	5.7% (±1.5 points)	18.7%	13.6%	10.3%
Mobile home	2.1% (±1.1 points)	1.3%	3.5%	5.6%
Boat, RV, van, etc.	0.1% (±0.1 points)	0.1%	0.1%	0.1%

In San Lorenzo, the share of homes in buildings of five or more units is lower than in Alameda County (28.8%).

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 San Lorenzo

Nearest places with a published estimate, compared with San Lorenzo
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
San Lorenzo	—	11.2% (±2.2 points)	—
Ashland	1.7 mi	41.7% (±5.6 points)	Higher
Cherryland	1.8 mi	22.1% (±4.6 points)	Higher
San Leandro	2.4 mi	24.2% (±2.0 points)	Higher
Hayward	3.8 mi	27.3% (±1.6 points)	Higher
Castro Valley	4.6 mi	12.1% (±1.8 points)	Not measurably different
Fairview	5.0 mi	3.6% (±2.3 points)	Lower
Oakland	8.1 mi	36.0% (±0.9 points)	Higher
Union City	8.2 mi	18.0% (±1.9 points)	Higher

Nearby places with a measurably lower figure: Fairview, CA (3.6%).

Nearby places with a measurably higher figure: Ashland, CA (41.7%), Cherryland, CA (22.1%), San Leandro, CA (24.2%).

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 Alameda County, place by place

Rank	Place	Homes in buildings of 5 or more units
11	Cherryland	22.1% (±4.6 points)
12	Pleasanton	20.6% (±2.2 points)
13	Union City	18.0% (±1.9 points)
14	Livermore	14.3% (±2.0 points)
15	Newark	13.6% (±2.0 points)
16	Castro Valley	12.1% (±1.8 points)
17	San Lorenzo	11.2% (±2.2 points)
18	Fairview	3.6% (±2.3 points)
19	Piedmont	1.3% (±1.9 points)

Showing 9 of 19 places in Alameda County, ranked from highest to lowest.

San Lorenzo 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 San Lorenzo

How many homes are in San Lorenzo?

San Lorenzo, CA has an estimated 8,816 (±359) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in San Lorenzo houses or apartments?

78.3% are detached houses and 5.6% attached houses, while 13.9% are in buildings of two or more units.

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

2.7% of homes in San Lorenzo 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 — San Lorenzo 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 San Lorenzo CDP, California (place:68112, 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.