National Register of Historic Places listings in Suffolk County, New York

List of the National Register of Historic Places listings in Suffolk County, New York.

This list is intended to provide a comprehensive listing of entries in the National Register of Historic Places in Suffolk County, New York.

This National Park Service list is complete through NPS recent listings posted September 13, 2024.^[1]

**Contents:** Counties in New York
Albany (Albany) – Allegany – Bronx – Broome – Cattaraugus – Cayuga – Chautauqua – Chemung – Chenango – Clinton – Columbia – Cortland – Delaware – Dutchess (Poughkeepsie, Rhinebeck) – Erie (Buffalo) – Essex – Franklin – Fulton – Genesee – Greene – Hamilton – Herkimer – Jefferson – Kings – Lewis – Livingston – Madison – Monroe (Rochester) – Montgomery – Nassau – New York (Below 14th Street, 14th to 59th Streets, 59th to 110th Streets, Above 110th Street, Islands) – Niagara (Niagara Falls) – Oneida – Onondaga (Syracuse) – Ontario – Orange – Orleans – Oswego – Otsego – Putnam – Queens – Rensselaer – Richmond – Rockland – St. Lawrence – Saratoga – Schenectady – Schoharie – Schuyler – Seneca – Steuben – Suffolk – Sullivan – Tioga – Tompkins – Ulster – Warren – Washington – Wayne – Westchester (Northern, Southern, New Rochelle, Peekskill, Yonkers) – Wyoming – Yates

More information Town, Approximate count ofproperties and districts ...

	Town	Approximate count of properties and districts
	Eastern towns
1	East Hampton	33
2	Riverhead	14
3	Shelter Island	10
4	Southampton	37
5	Southold	28
	Western towns
6	Babylon	6
7	Brookhaven	53
8	Huntington	101
9	Islip	26
10	Smithtown	27
	Duplicates	(1)^{[lower-alpha 1]}
	TOTAL	334

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Listings by town