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Buying a home in Islandia, New York

The typical owner-occupied home in Islandia is worth about $477,400, 13% above the New York median of $423,800 and 43% above the national median of $332,700. Owners pay a median $10,001 a year in property taxes, about 2.09% of their home's value, higher than the New York rate of 1.55%. The median household earns $116,313 a year, so the median home costs 4.1 times the median income (4.9 times for New York). 96% of occupied homes here are lived in by their owners, and 77% of those owners still have a mortgage.

Islandia at a glance

Islandia New York U.S.
Median home value $477,400 $423,800 $332,700
Median property tax paid per year $10,001 $6,582 $3,119
Property tax as a share of value 2.09% 1.55% 0.94%
Median household income $116,313 $85,974 $80,734
Homes lived in by their owners 96% 54% 65%
Owner homes with a mortgage 77% 58% 61%
Median monthly costs, owners with a mortgage $3,360 $2,555 $1,963
Those costs as a share of the owners' income 33.1% 22.5% 21.0%
Median rent $2,019 $1,621 $1,413
Rent as a share of renters' income 34.5% 31.2% 30.6%
Median year homes were built 1969 1959 1980
Vacant homes 5.5% 10.0% 10.1%
Population 3,600 19,852,366 334,922,499

What a typical home costs per month in Islandia

At this week's average 30-year rate of 7.11%, buying the median Islandia home of $477,400 with 20% down costs about $3,600 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $4,395, because the loan is bigger and FHA adds mortgage insurance.

Lenders usually want housing costs under about 28% of gross income, which means an income of roughly $154,268 for the 20%-down payment. That payment is 37% of the median Islandia household income of $116,313; at that income and 20% down, the 28% guideline points to a home of about $360,000.

The median rent here is $2,019 a month, so owning the median home costs about $1,581 a month more than renting, before you count the equity you build and any tax benefits.

20% down, 30-year conventional loan
Down payment$95,480
Loan amount$381,920
Principal and interest$2,569
Property taxes (2.09% a year)$831
Homeowners insurance (our estimate, 0.5% a year)$199
PMI$0
Total per month$3,600

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3.5% down, 30-year FHA loan
Down payment$16,709
Loan amount$468,753
Principal and interest$3,153
Property taxes (2.09% a year)$831
Homeowners insurance (our estimate, 0.5% a year)$199
FHA mortgage insurance$211
Total per month$4,395

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Questions about home buying in Islandia

What is the median home value in Islandia?

About $477,400 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Islandia?

Homeowners pay a median $10,001 a year, which is about 2.09% of the median home value. Your bill depends on your home's assessed value and local rates.

What income do you need to buy a home in Islandia?

For the median home with 20% down at 7.11%, the payment is about $3,600 a month. Keeping that under 28% of gross income takes about $154,268 a year.

More about Islandia

Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates; Freddie Mac Primary Mortgage Market Survey, week of November 12, 2026. Estimates for small places have wide margins of error. About our data