Looking for a garage builder in Islandia, NY? Describe your project once and up to three garage builders who work in Islandia and Suffolk County get back to you with a quote. It's free and there is no obligation.
Islandia is home to about 3,651 people (2024 Census Bureau estimate), a growing community (+2.3% since 2020). With 1,649 people per sq mi, it is a suburban area. Extra storage, workshops and EVs are driving garage projects here.
Islandia at a glance
- Population (Census Bureau estimate, 2024)
- 3,651 (+2.3% since 2020)
- Rank in New York
- 206th of 595 cities and towns
- Land area
- 2.2 sq mi
- Population density
- 1,649 people per sq mi (suburban)
- Type
- Village (Islandia village)
- Main county
- Suffolk County
What to check before hiring in Islandia
- Zoning: check setbacks and size limits in Islandia.
- License and permit: in New York, garages are built by licensed contractors under a permit.
- EV ready: add a 240-volt circuit while walls are open.
- Price drivers: size, slab, doors, finish and electrical.
Useful official resources
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ICC: International Code Council
Official information and guidance.
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NAHB
Official information and guidance.
Services available in Islandia
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Detached garage
Design and construction of a detached garage with slab, permit and electrical.
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Attached garage or garage apartment
Attached garage or garage with living space above.
Frequently asked questions in Islandia
How much does a garage cost in Islandia, NY?
It depends on size, materials and finishes. Describe your project: builders who serve Islandia reply with a quote.
How long does it take?
Often a few weeks once permits are issued.
Kit or custom?
Kits can save money; custom builds match the house.
Which garage builders will contact me?
Up to three independent garage builders who serve Islandia and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.