Nassau County, New York

Nassau County at a glance

854 community associations are on record in Nassau County: 312 condominiums, 283 HOAs, 259 co-ops. They are spread across 102 cities and towns. The 274 associations with a known unit count cover 19,179 units. 37 list officers or directors from public filings. 3 have governing or public documents on file.

Largest by unit count: 1 East Mill Drive/Great Neck Terrace (644 units), Birchwood Court Owners (440 units), Fairview Townhouses Condominium (424 units).

Source: Common Elements association directory, compiled from state registry and county public records. Data as of October 31, 2026.

Cities and towns in Nassau County

• Great Neck100
• Long Beach77
• Garden City39
• Rockville Centre37
• Freeport34
• Jericho27
• Valley Stream26
• Mineola23
• Glen Cove21
• Hempstead19
• Lynbrook19
• Oceanside18
• East Meadow17
• Manhasset17
• Plainview17
• Cedarhurst16
• Farmingdale16
• Roslyn16
• Woodbury16
• Syosset15
• Oyster Bay13
• Bethpage12
• Floral Park12
• Lawrence12
• Glen Head11
• Port Washington9
• Westbury8
• Woodmere8
• Bellmore7
• Hewlett7
• Hicksville7
• Island Park7
• Merrick7
• North Hills7
• Baldwin6
• East Rockaway6
• Lake Success6
• Uniondale6
• Wantagh6
• Atlantic Beach5
• Bayville5
• Franklin Square5
• Inwood5
• New Hyde Park5
• Carle Place4
• Great Neck Plaza4
• Levittown4
• Massapequa4
• Elmont3
• Lido Beach3
• New York3
• Old Westbury3
• Rockville Ctr3
• Roslyn Heights3