What kinds of homes are in Lake Cassidy, WA?

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

Lake Cassidy, WA has 1,441 (±166) homes (2020–2024 American Community Survey).

That is about 136 homes per square mile of land.

76.4% are detached single-family houses.

5.2% are in buildings of two to four units.

3.3% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,441 (±166)
Detached houses: 76.4%
2–4 unit buildings: 5.2%
5+ unit buildings: 3.3%

Homes in Lake Cassidy by building size

Housing units by units in structure, 2020–2024
Building type	Lake Cassidy	Snohomish County	Washington	United States
Single-family, detached	76.4% (±9.5 points)	63.9%	61.9%	61.3%
Single-family, attached (townhouse, rowhouse)	1.2% (±1.7 points)	4.9%	4.4%	6.2%
2 units	5.2% (±6.9 points)	2.4%	2.3%	3.4%
3 or 4 units	0.0% (±2.7 points)	3.3%	3.5%	4.3%
5 to 9 units	0.0% (±2.7 points)	4.5%	4.3%	4.5%
10 to 19 units	0.0% (±2.7 points)	5.8%	4.9%	4.3%
20 or more units	3.3% (±2.8 points)	10.3%	13.0%	10.3%
Mobile home	13.9% (±5.7 points)	4.6%	5.5%	5.6%
Boat, RV, van, etc.	0.0% (±2.7 points)	0.2%	0.3%	0.1%

In Lake Cassidy, the share of homes in buildings of five or more units is lower than in Snohomish County (20.6%).

It is also lower than in Washington (22.2%).

It is lower than the national figure (19.1%).

Homes in buildings of 5 or more units in places near Lake Cassidy

Nearest places with a published estimate, compared with Lake Cassidy
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Lake Cassidy	—	3.3% (±4.7 points)	—
Lochsloy	2.0 mi	0.0% (±6.2 points)	Not measurably different
Marysville	3.5 mi	11.0% (±1.5 points)	Higher
Sisco Heights	3.8 mi	12.0% (±8.3 points)	Not measurably different
Lake Stevens	4.4 mi	3.8% (±1.3 points)	Not measurably different
Machias	5.3 mi	0.0% (±13.3 points)	Not measurably different
Granite Falls	5.5 mi	8.9% (±4.8 points)	Not measurably different
Canyon Creek	5.5 mi	1.6% (±4.1 points)	Not measurably different
Cavalero	6.3 mi	0.0% (±14.4 points)	Not measurably different

Nearby places with a measurably higher figure: Marysville, WA (11.0%).

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 Snohomish County, place by place

Rank	Place	Homes in buildings of 5 or more units
22 (tie)	Eastmont	6.0% (±2.1 points)
22 (tie)	Sultan	6.0% (±5.1 points)
22 (tie)	Warm Beach	6.0% (±4.9 points)
25	Mill Creek East	5.1% (±1.7 points)
26	Silver Firs	4.2% (±1.3 points)
27	Lake Stevens	3.8% (±1.3 points)
28	Lake Cassidy	3.3% (±4.7 points)
29	Picnic Point	2.6% (±1.6 points)
30	Canyon Creek	1.6% (±4.1 points)
31	Gold Bar	1.4% (±6.8 points)
32	Darrington	1.3% (±9.0 points)
33 (tie)	Brier	0.6% (±2.5 points)
33 (tie)	Woods Creek	0.6% (±2.7 points)

Showing 13 of 55 places in Snohomish County, ranked from highest to lowest.

Lake Cassidy 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 Lake Cassidy

How many homes are in Lake Cassidy?

Lake Cassidy, WA has an estimated 1,441 (±166) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Lake Cassidy houses or apartments?

76.4% are detached houses and 1.2% attached houses, while 8.5% are in buildings of two or more units.

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

5.2% of homes in Lake Cassidy 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 — Lake Cassidy CDP, Washington

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 Lake Cassidy CDP, Washington (place:37100, in state:53).

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.