What kinds of homes are in Locust Valley, NY?

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

Locust Valley, NY has 1,254 (±160) homes (2020–2024 American Community Survey).

That is about 1,384 homes per square mile of land.

92.6% are detached single-family houses.

4.8% are in buildings of two to four units.

1.8% are in buildings of five or more units.

Figures last updated on November 12, 2026.

Housing units: 1,254 (±160)
Detached houses: 92.6%
2–4 unit buildings: 4.8%
5+ unit buildings: 1.8%

Homes in Locust Valley by building size

Housing units by units in structure, 2020–2024
Building type	Locust Valley	Nassau County	New York	United States
Single-family, detached	92.6% (±4.6 points)	76.1%	41.2%	61.3%
Single-family, attached (townhouse, rowhouse)	1.0% (±1.6 points)	3.2%	5.5%	6.2%
2 units	3.0% (±2.7 points)	5.6%	9.6%	3.4%
3 or 4 units	1.8% (±2.1 points)	1.9%	6.9%	4.3%
5 to 9 units	1.8% (±2.9 points)	1.7%	5.2%	4.5%
10 to 19 units	0.0% (±3.3 points)	2.2%	4.4%	4.3%
20 or more units	0.0% (±3.3 points)	9.0%	25.1%	10.3%
Mobile home	0.0% (±3.3 points)	0.2%	2.1%	5.6%
Boat, RV, van, etc.	0.0% (±3.3 points)	0.1%	0.0%	0.1%

In Locust Valley, the share of homes in buildings of five or more units is lower than in Nassau County (12.9%).

It is also lower than in New York (34.7%).

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

Homes in buildings of 5 or more units in places near Locust Valley

Nearest places with a published estimate, compared with Locust Valley
Place	Distance	Homes in buildings of 5 or more units	Compared with this place
Locust Valley	—	1.8% (±5.5 points)	—
Village of Lattingtown	1.2 mi	0.0% (±9.2 points)	Not measurably different
Village of Matinecock	1.4 mi	2.3% (±20.9 points)	Not measurably different
Village of Mill Neck	1.6 mi	0.0% (±15.8 points)	Not measurably different
Village of Bayville	2.5 mi	2.0% (±2.9 points)	Not measurably different
Village of Upper Brookville	2.5 mi	0.0% (±10.6 points)	Not measurably different
Glen Head	2.7 mi	0.6% (±3.4 points)	Not measurably different
Glen Cove	2.9 mi	25.4% (±3.9 points)	Higher
Village of Old Brookville	3.0 mi	0.0% (±9.9 points)	Not measurably different

Nearby places with a measurably higher figure: Glen Cove, NY (25.4%).

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 Nassau County, place by place

Rank	Place	Homes in buildings of 5 or more units
33 (tie)	Syosset	2.8% (±1.8 points)
35	Elmont	2.3% (±1.0 points)
36	Seaford	2.0% (±0.9 points)
37 (tie)	Merrick	1.9% (±2.0 points)
37 (tie)	Roslyn Heights	1.9% (±2.5 points)
39 (tie)	Glenwood Landing	1.8% (±4.2 points)
39 (tie)	Locust Valley	1.8% (±5.5 points)
41 (tie)	Hicksville	1.6% (±0.9 points)
41 (tie)	Manhasset Hills	1.6% (±5.2 points)
43	Franklin Square	1.4% (±1.0 points)
44	Roosevelt	1.3% (±1.9 points)
45	Wantagh	1.1% (±1.0 points)
46 (tie)	Massapequa	1.0% (±0.6 points)

Showing 13 of 62 places in Nassau County, ranked from highest to lowest.

Locust Valley is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

It lies inside the Town of Oyster Bay, whose figures include it.

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 Locust Valley

How many homes are in Locust Valley?

Locust Valley, NY has an estimated 1,254 (±160) housing units, occupied and vacant (2020–2024 American Community Survey).

Are most homes in Locust Valley houses or apartments?

92.6% are detached houses and 1.0% attached houses, while 6.6% are in buildings of two or more units.

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

4.8% of homes in Locust Valley 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 — Locust Valley CDP, New York

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 Locust Valley CDP, New York (place:43192, in state:36).

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.