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Cartography & GIS

Within the Division of Planning and Environment, the Cartography and GIS unit is responsible for providing Geographic Information System (GIS) and cartographic assistance to the staff of the Department of Economic Development and Planning and to other County agencies. The unit also provides GIS and cartographic assistance to local towns, villages and other public agencies within Suffolk County. This assistance involves creating and sharing map-based information about topics including land use, demographics, development, land preservation, natural resources, farmland, and aquaculture.

GIS Data

GIS layers can be found at the Suffolk County GIS Portal and the Suffolk County Open Data Portal. Tax map parcel line work for Suffolk County can be obtained through the Suffolk County Real Property Tax Service Agency in Riverhead New York, which can be reached at 631-852-1550.

Historic Aerial Photography

The Cartography and GIS unit is a repository for aerial photograph prints of Suffolk County for various years between 1960 and 2001. These aerial photos are available for viewing purposes only. To view these aerial photos, please request an appointment using the contact information above.

Other sources of historic aerial photos of Suffolk County include the New York State GIS Clearinghouse, Stony Brook University Libraries, and the United States Geological Survey (USGS) EarthExplorer.

Aerial photos of Suffolk County dating back to 1947 are available online at the Suffolk County GIS Viewer. Specific instructions on how to view aerial photos on the viewer can be found here.



Aerial photos of Suffolk County dated 1928-1930 are available below. To view, click on a red dot on the index map below for a PDF of the aerial photo.

Aerials of Eastern Long Island

Maps Available For Download

The Cartography and GIS unit has created numerous maps displaying a wide variety of information. Some of these maps can be viewed below.

Land Use

Land use maps for each town in Suffolk County are available for various years in PDF format and land use data by tax map parcel is in Excel format. A description of the main land use codes and colors, and the definitions of residential land use categories can be found here.

Town 2007 2009 2012 2016
Babylon

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

30 x 40

Brookhaven

11 x 17

35 x 54

Data (North)

Data (South)

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

30 x 40

East Hampton

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

30 x 40

Huntington

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

30 x 40

Islip

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

30 x 40

Riverhead

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

30 x 40

Shelter Island

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

30 x 40

Smithtown

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

30 x 40

Southampton

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

30 x 40

Southold

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

35 x 54

Data

11 x 17

30 x 40

Other Maps of Suffolk County

The Cartography and GIS unit has created numerous maps displaying a wide variety of information. Some of these maps can be viewed below. All maps are in PDF format.

Year Prepared Topic
2018

General – Municipal Boundaries, Transportation, and Hospitals

2018

Suffolk County Legislative Districts – 2012 Redistricting Boundaries

2018

New York State Senate Districts

2018

New York State Assembly Districts

2018

United States Congressional Districts

2018

Police Stations and Precincts

2018

National Register of Historic Places

2018

Hydrogeologic Zones – 208 Study

2018

Special Groundwater Protection Areas

2018

Suffolk County Pine Barrens

2018

Estuary Management Program – Watershed Boundaries

2018

Farmland – Purchase of Development Rights (PDR)

2017

Floodplains – FEMA 100-Year and 500-Year Floodplains

2017

Colleges and Universities

2016

Rental Apartment Complexes, 2016

2013

Suffolk County Sanitary Code – Article 6 – Groundwater Management Zones

2013

Suffolk County Shellfish Aquaculture Lease Program

2013

Elevation

2013

Schools and School Districts

2013

Libraries

2013

Zip Codes

2013

Land Use, Suffolk County, 2011

2013

Suffolk County Open Space and Parkland, 2011

2013

Recreation and Points of Interest

2013

Transportation

2013

Suffolk County Legislative Districts (current): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

2013

Downtown Districts

2013

Census Designated Places, 2010

2013

Census Designated Places, 2000

2013

Census Tracts, 2010

2013

Census Tracts, 2000

2013

Percent Population Change by Census Designated Place, 2000-2010

2013

Percent Population Change by Census Tract, 1990-2000

2013

Population Density by Census Designated Place, 2010

2013

Population Density by Census Designated Place, 2000

2012

Sewered Areas and Sewage Treatment Plants – All Suffolk County Towns

2012

Sewered Areas and Sewage Treatment Plants – Suffolk County

2012

Sewered Areas and Sewage Treatment Plants – Suffolk County – Data Tables

2012

Sewered Areas and Sewage Treatment Plants – Town of Babylon

2012

Sewered Areas and Sewage Treatment Plants – Town of Brookhaven (North)

2012

Sewered Areas and Sewage Treatment Plants – Town of Brookhaven (South)

2012

Sewered Areas and Sewage Treatment Plants – Town of East Hampton

2012

Sewered Areas and Sewage Treatment Plants – Town of Huntington

2012

Sewered Areas and Sewage Treatment Plants – Town of Islip

2012

Sewered Areas and Sewage Treatment Plants – Town of Riverhead

2012

Sewered Areas and Sewage Treatment Plants – Town of Shelter Island

2012

Sewered Areas and Sewage Treatment Plants – Town of Smithtown

2012

Sewered Areas and Sewage Treatment Plants – Town of Southampton

2012

Sewered Areas and Sewage Treatment Plants – Town of Southold

2010

Long Island, New York – Suffolk County, Nassau County, and the 5 Boroughs Region (base map)

2010

Suffolk County, New York (base map including incorporated towns and villages)

2010

Town of Babylon (base map including 2010 Census Designated Places)

2010

Town of Babylon (base map including 2010 Census Designated Place boundary labels)

2010

Town of Brookhaven (base map including 2010 Census Designated Places)

2010

Town of Brookhaven (base map including 2010 Census Designated Place boundary labels)

2010

Town of East Hampton (base map including 2010 Census Designated Places)

2010

Town of East Hampton (base map including 2010 Census Designated Place boundary labels)

2010

Town of Huntington (base map including 2010 Census Designated Places)

2010

Town of Huntington (base map including 2010 Census Designated Place boundary labels)

2010

Town of Islip (base map including 2010 Census Designated Places)

2010

Town of Islip (base map including 2010 Census Designated Place boundary labels)

2010

Town of Riverhead (base map including 2010 Census Designated Places)

2010

Town of Riverhead (base map including 2010 Census Designated Place boundary labels)

2010

Town of Shelter Island (base map including 2010 Census Designated Places)

2010

Town of Shelter Island (base map including 2010 Census Designated Place boundary labels)

2010

Town of Smithtown (base map including 2010 Census Designated Places)

2010

Town of Smithtown (base map including 2010 Census Designated Place boundary labels)

2010

Town of Southampton (base map including 2010 Census Designated Places)

2010

Town of Southampton (base map including 2010 Census Designated Place boundary labels)

2010

Town of Southold (base map including 2010 Census Designated Places)

2010

Town of Southold (base map including 2010 Census Designated Place boundary labels)

2003

Suffolk County Legislative Districts (old): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

1994

Suffolk County Legislative Districts – 1994 (old)

1978

Existing Land Use – 1975 (208 Study) (Long Island Regional Planning Board)

1978

Land Use Plan – 1995 (208 Study) (Long Island Regional Planning Board)

1975

Major Highways, County of Suffolk

1968

Natural Characteristics (Nassau-Suffolk Regional Planning Board)

1968

Built-Up Land – 1966 (Nassau-Suffolk Regional Planning Board)

1968

Existing Land Use – 1966 (Nassau-Suffolk Regional Planning Board)

1968

Residential Land – 1966 (Nassau-Suffolk Regional Planning Board)

1968

Commercial Land – 1966 (Nassau-Suffolk Regional Planning Board)

1968

Industrial Land – 1966 (Nassau-Suffolk Regional Planning Board)

1968

Recreational Land – 1966 (Nassau-Suffolk Regional Planning Board)

1968

Zoning of Vacant Land – 1966 (Nassau-Suffolk Regional Planning Board)

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Suffolk County Government

H. Lee Dennison Bldg

100 Veterans Memorial Hwy
P.O. Box 6100
Hauppauge, NY 11788

Riverhead County Center

County Road 51
Riverhead, NY 11901