THE OLD WESTBURY LAND BRIEF
Land in the
Long Island Sound Coastal Lowland setting.
Old Westbury village has 8.57 square miles of land in Nassau County. Its Census reference point is in Long Island Sound Coastal Lowland, within Northeastern Coastal Zone.
Irregular plains and low hills form a coastal transition with glacial lakes and oak-pine woodland. This northeastern landscape is gentler than the mountainous country farther inland.
Regional context: Northeastern Coastal Zone ↗ · Classification at the Census reference point
Old Westbury and Nassau County
Old Westbury is associated with Nassau County in the Census boundary data. Start with the parcel’s tax bill to match the property to that jurisdiction, then confirm which government handles its land use.
Old Westbury by land and water
The Census records 0 square miles of water within Old Westbury, or 0% of its total area. It is 37.2 percentage points lower than the 37.2% recorded for Nassau County. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Old Westbury village has 3.8 times the land area of nearby East Hills village (2.28 square miles). These areas describe boundaries, not comparable property prices.

