Suffolk County GIS Data (New York)

An Assessor Office is responsible for appraising the taxable property in an area in order to calculate property taxes in Suffolk County, New York. As part of this job, Suffolk County Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) data. These Suffolk County GIS maps typically include property divisions, plots, buildings, property appraisal values, and property taxes. They may also include public property, parks, roads, place names, bodies of water, and other local geographical information, as well as flood zones, county zone lines, and school boundaries. These maps can be useful for a number of reasons, including buying and selling property. Assessors may provide online access to their Suffolk County GIS data on their websites.

East Hampton Town Assessor East Hampton NY 300 Pantigo Place, Ste 108 11937 631-324-4187

Islip Assessor Islip NY 40 Nassau Avenue, Ste 3 11751 631-224-5585

Patchogue Assessor Patchogue NY 14 Baker Street 11772 631-475-2561

Shelter Island Assessor Shelter Island NY 38 North Ferry Road 11964 631-749-1080

Smithtown Town Assessor Smithtown NY 40 Maple Avenue 11787 631-360-7560


A Clerk Office maintains public records for a county or local government, including GIS data in the form of maps. These GIS maps provide detailed information such as property boundaries, roads, public property, parks, and in some cases, population and demographic information. GIS data can also show Suffolk County property value assessments, property taxes, flood zones, zoning boundaries, and earthquake zones, as well as place names, bodies of water, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations. Suffolk County GIS data is often accessible through the Clerk Office website.

Amityville Clerk Amityville NY 21 Ireland Place 11701 631-691-3303

Bellport Village Clerk Bellport NY 29 Bellport Lane 11713 631-286-0327

Brightwaters Village Clerk Brightwaters NY 40 Seneca Drive 11718 631-665-1280

East Hampton Town Clerk Montauk NY THE Plz 11954 631-668-5081

Head Of The Harbor Village Clerk St. James NY 500 New York 25A 11780 631-584-5550

Jo Ann Raia Town Clerk Huntington NY 100 Main Street 11743 631-673-9477

Lindenhurst Clerk Lindenhurst NY 430 South Wellwood Avenue 11757 631-957-7501

Lloyd Harbor Village Clerk Lloyd Harbor NY 32 Middle Hollow Road 11743 631-549-8893

North Haven Village Clerk Sag Harbor NY 335 Ferry Road 11963 631-725-1378

Northport Village Clerk Northport NY 224 Main Street 11768 631-261-7502

Quogue Village Clerk Westhampton Beach NY 172 Dune Road 11978 631-653-4498

Southampton Town Clerk Hampton Bays NY 25 Ponquogue Avenue 11946 631-723-3820

Southampton Village Clerk Southampton NY 23 Main Street 11968 631-283-0247

Southold Town Clerk Southold NY 53095 Middle Road 11971 631-765-1801

Suffolk County Clerk Riverhead NY 310 Center Drive 11901 631-852-2000

Suffolk County Clerk Central Islip NY 400 Carleton Avenue 11722 631-853-4312

Suffolk County Clerk Riverhead NY 310 Center Drive South 11901 631-852-2041

A Building Department creates and enforces building codes and zoning regulations in order to ensure the construction of safe buildings in Suffolk County, New York. As part of that job, Building Departments maintain GIS data that can include Suffolk County GIS maps on the topography, elevation, soil composition, and flood zones for the local area. This information can be important for adhering to building codes and meeting zoning rules. These GIS maps may also show Suffolk County parcels, lots, subdivisions, and tracts of land, as well as sewers, public utilities, and other building hazards. GIS data may be available on the Building Department website.

Branch Village Building Department Smithtown NY 40 Route 111 11787 631-979-8989

Brookhaven Zoning Farmingville NY 1 Independence Hill 11738 631-451-6477

East Hampton Planning Department East Hampton NY 300 Pantigo Place, Ste 105 11937 631-324-2178

East Hampton Zoning East Hampton NY 300 Pantigo Place, Ste 105 11937 631-324-8816

Huntington Zoning Huntington NY 100 Main Street 11743 631-351-3123

Islip Planning Department Islip NY 655 Main Street 11751 631-224-5450

Lindenhurst Building Department Lindenhurst NY 430 South Wellwood Avenue 11757 631-957-7510

Lindenhurst Zoning Lindenhurst NY 430 South Wellwood Avenue 11757 631-957-7516

New York State Permits Stony Brook NY 50 Circle Road 11790 631-716-3608

North Babylon Town Building Department Lindenhurst NY 200 Sunrise Highway 11757 631-957-3108

Patchogue Building Department Patchogue NY 14 Baker Street 11772 631-475-8942

Port Jefferson Building Department Port Jefferson NY 88 North Country Road 11777 631-473-4744

Sag Harbor Building Department Sag Harbor NY 55 Main Street 11963 631-725-0224

Shelter Island Town Zoning Shelter Island NY 46 North Ferry Road 11964 631-749-0758

Smithtown Building Department Smithtown NY 99 West Main Street 11787 631-360-7520

Smithtown Zoning Smithtown NY 99 West Main Street 11787 631-360-7540

Southampton Zoning Southampton NY 116 Hampton Road 11968 631-287-5707

Southold building department Southold NY 54375 Middle Road 11971 631-765-1802

Suffolk County Planning Department Hauppauge NY 100 Veterans Memorial Highway, Ste 4 11788 631-853-5191


A Town or City Hall provides municipal services for their town or city, including keeping vital records and maintaining documents on their jurisdiction such as maps with GIS data in Suffolk County, New York. These GIS maps typically include property boundaries, real estate appraisal values, Suffolk County property tax assessments, public property, and unclaimed parcels. The maps may also show place names, Suffolk County zoning boundaries, bodies of water, and flood zones, as well as population and demographic information. Some Town and City Halls also maintain historical maps of their area. These maps are often available on the Town or City Hall website.

Brookhaven Town Hall Farmingville NY 1 Independence Hill 11738 631-451-7087

East Hampton Town hall East Hampton NY 300 Pantigo Place 11937

Huntington Town Hall Huntington NY 100 Main Street 11743 631-351-3014

Islip Town Hall Islip NY 655 Main Street, # 1 11751 631-224-5691

Riverhead Town Hall Riverhead NY 210 Howell Avenue, Ste 2 11901 631-727-3200

Shelter Island Town Hall Shelter Island NY 38 North Ferry Road 11964 631-749-0291

Shoreham Town Hall Shoreham NY 80 Woodville Road 11786 631-821-0680

Smithtown Town Hall Smithtown NY 99 West Main Street 11787 631-360-7512

Southampton Town Hall Southampton NY 116 Hampton Road 11968 631-283-6000