What kinds of homes are in Alamo, CA?

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

Alamo, CA has 5,315 (±356) homes (2020–2024 American Community Survey).

That is about 541 homes per square mile of land.

93.2% are detached single-family houses.

0.8% are in buildings of two to four units.

1.9% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 5,315 (±356)
Detached houses: 93.2%
2–4 unit buildings: 0.8%
5+ unit buildings: 1.9%

Homes in Alamo by building size

Housing units by units in structure, 2020–2024
Building type	Alamo	Contra Costa County	California	United States
Single-family, detached	93.2% (±2.6 points)	67.5%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	4.1% (±1.3 points)	8.9%	7.4%	6.2%
2 units	0.2% (±0.3 points)	1.4%	2.4%	3.4%
3 or 4 units	0.6% (±0.9 points)	4.2%	5.4%	4.3%
5 to 9 units	0.2% (±0.3 points)	3.7%	5.7%	4.5%
10 to 19 units	0.3% (±0.5 points)	3.1%	4.9%	4.3%
20 or more units	1.4% (±2.3 points)	9.7%	13.6%	10.3%
Mobile home	0.1% (±0.2 points)	1.4%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±0.8 points)	0.1%	0.1%	0.1%

In Alamo, 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 Alamo

Nearest places with a published estimate, compared with Alamo
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Alamo	—	1.9% (±2.4 points)	—
San Miguel (Contra Costa County)	2.5 mi	0.5% (±4.5 points)	Not measurably different
Castle Hill	2.8 mi	0.0% (±19.6 points)	Not measurably different
Diablo	3.3 mi	0.0% (±14.7 points)	Not measurably different
Walnut Creek	3.6 mi	36.9% (±2.5 points)	Higher
Danville	3.8 mi	6.0% (±1.6 points)	Higher
Saranap	4.1 mi	29.5% (±9.7 points)	Higher
Acalanes Ridge	4.9 mi	0.0% (±16.8 points)	Not measurably different
Contra Costa Centre	5.4 mi	81.4% (±8.4 points)	Higher

Nearby places with a measurably higher figure: Walnut Creek, CA (36.9%), Danville, CA (6.0%), Saranap, CA (29.5%).

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
27	Pacheco	4.9% (±6.4 points)
28	Brentwood	4.1% (±1.3 points)
29	Orinda	4.0% (±2.2 points)
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)

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

Alamo 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.

What you can do on Seayora in Alamo

One account for renting, owning, managing and fixing homes, with these figures beside you.

Own or manage a rental?

List it, sign the lease and collect rent online, with the figures for Alamo beside you.

Create a landlord account · See what landlords get

Looking for a place to rent?

Browse homes for rent near Alamo, save the ones you like and apply online.

Browse rentals · Create a renter account

Do repairs, renovations or maintenance?

Get found by owners and renters near Alamo, and send estimates and invoices from your phone.

Join as a pro · Find a pro

Questions about Alamo

How many homes are in Alamo?

Alamo, CA has an estimated 5,315 (±356) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Alamo houses or apartments?

93.2% are detached houses and 4.1% attached houses, while 2.7% are in buildings of two or more units.

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

0.8% of homes in Alamo 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 — Alamo 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 Alamo CDP, California (place:00618, 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.