What kinds of homes are in Rio del Mar, CA?

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

Rio del Mar, CA has 4,856 (±357) homes (2020–2024 American Community Survey).

That is about 1,619 homes per square mile of land.

80.6% are detached single-family houses.

3.5% are in buildings of two to four units.

2.4% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 4,856 (±357)
Detached houses: 80.6%
2–4 unit buildings: 3.5%
5+ unit buildings: 2.4%

Homes in Rio del Mar by building size

Housing units by units in structure, 2020–2024
Building type	Rio del Mar	Santa Cruz County	California	United States
Single-family, detached	80.6% (±3.9 points)	63.3%	57.0%	61.3%
Single-family, attached (townhouse, rowhouse)	13.4% (±3.6 points)	8.5%	7.4%	6.2%
2 units	1.3% (±0.8 points)	3.4%	2.4%	3.4%
3 or 4 units	2.2% (±1.3 points)	5.0%	5.4%	4.3%
5 to 9 units	1.2% (±1.3 points)	4.1%	5.7%	4.5%
10 to 19 units	0.2% (±0.3 points)	2.3%	4.9%	4.3%
20 or more units	1.0% (±0.7 points)	6.5%	13.6%	10.3%
Mobile home	0.0% (±0.9 points)	6.6%	3.5%	5.6%
Boat, RV, van, etc.	0.0% (±0.9 points)	0.3%	0.1%	0.1%

In Rio del Mar, the share of homes in buildings of five or more units is lower than in Santa Cruz County (12.9%).

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 Rio del Mar

Nearest places with a published estimate, compared with Rio del Mar
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Rio del Mar	—	2.4% (±1.5 points)	—
Seacliff	2.3 mi	12.8% (±6.7 points)	Higher
Aptos	2.3 mi	12.4% (±7.9 points)	Higher
Aptos Hills-Larkin Valley	2.8 mi	1.3% (±7.3 points)	Not measurably different
La Selva Beach	3.1 mi	2.3% (±6.3 points)	Not measurably different
Capitola	4.0 mi	19.3% (±4.9 points)	Higher
Soquel	4.5 mi	5.0% (±2.6 points)	Not measurably different
Pleasure Point	4.7 mi	4.1% (±2.2 points)	Not measurably different
Day Valley	4.9 mi	0.0% (±5.2 points)	Not measurably different

Nearby places with a measurably higher figure: Seacliff, CA (12.8%), Aptos, CA (12.4%), Capitola, CA (19.3%).

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 Santa Cruz County, place by place

Rank	Place	Homes in buildings of 5 or more units
7	Aptos	12.4% (±7.9 points)
8	Freedom	12.0% (±9.5 points)
9	Scotts Valley	10.5% (±4.5 points)
10	Soquel	5.0% (±2.6 points)
11	Felton	4.8% (±3.4 points)
12	Pleasure Point	4.1% (±2.2 points)
13	Rio del Mar	2.4% (±1.5 points)
14	La Selva Beach	2.3% (±6.3 points)
15	Aptos Hills-Larkin Valley	1.3% (±7.3 points)
16	Interlaken	0.6% (±3.1 points)
17	Ben Lomond	0.2% (±2.1 points)
18 (tie)	Amesti	0.0% (±8.5 points)
18 (tie)	Bonny Doon	0.0% (±6.4 points)

Showing 13 of 23 places in Santa Cruz County, ranked from highest to lowest.

Rio del Mar 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 Rio del Mar

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 Rio del Mar beside you.

Create a landlord account · See what landlords get

Looking for a place to rent?

Browse homes for rent near Rio del Mar, 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 Rio del Mar, and send estimates and invoices from your phone.

Join as a pro · Find a pro

Questions about Rio del Mar

How many homes are in Rio del Mar?

Rio del Mar, CA has an estimated 4,856 (±357) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Rio del Mar houses or apartments?

80.6% are detached houses and 13.4% attached houses, while 5.9% are in buildings of two or more units.

How many two-family and small multifamily homes are in Rio del Mar?

3.5% of homes in Rio del Mar 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 — Rio del Mar 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 Rio del Mar CDP, California (place:60928, 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.