Suffolk County GIS Portal

Search for Suffolk County NY GIS maps. A GIS map search can provide information like county maps, town maps, city maps, local maps, property maps, parcel maps, plat maps, public property, property tax assessments, flood zones, zoning boundaries, geographic information, historical maps, and property tax information.


Suffolk County Assessor Offices are charged with determining the value of taxable property in their county or local area in order to calculate Suffolk County property taxes. In addition to property values, Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) maps. These Suffolk County GIS maps can show public property, parks, property divisions, and roads, as well as property assessments and property taxes in Suffolk County New York. These maps can also include place names, bodies of water, flood zones, property zones, and other geographic information. Some Assessors may keep historic GIS maps that include historic property tax assessments. These maps may be available on the Suffolk County Assessor Office website.

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

Islip Assessor Islip NY 40 Nassau Avenue 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


Suffolk County Clerk Offices maintain public records for a county or local government, which includes GIS maps. These maps provide detailed information on the area, including Suffolk County property maps that show boundaries, public property, property divisions, and in some cases, population information in Suffolk County New York. They may also include property value assessments and property tax rates. Suffolk County GIS maps can show place names, bodies of water, zoning information, flood zones, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations, and these maps are often available online 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 Central Islip NY 400 Carleton Avenue 11722 631-853-4312

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

Suffolk County Clerk Smithtown NY 725 Veterans Memorial Highway 11787 631-853-4074


Suffolk County Town and City Halls provide municipal services for their town or city, including preserving vital records and maintaining records on their jurisdiction such as Suffolk County GIS maps. The GIS maps at a Suffolk County Town or City Hall can include property boundaries, public property, unclaimed parcels, and roads, as well as appraisal values for properties and property tax assessments in Suffolk County New York. These GIS maps may also show population information, place names, zoning boundaries, bodies of water, flood zones, and other geographic information. Some Town and City Halls also have historical maps of their area. These maps are often available to the public on the Suffolk County Town and 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 11751 631-224-5691

Riverhead Town Hall Riverhead NY 210 Howell Avenue 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


Suffolk County Recorders of Deeds keep real estate records to ensure the accuracy of property and land records. In addition to deeds, Recorders of Deeds also have detailed county and local maps, including Suffolk County GIS maps that show property lines, building information, public property, unclaimed parcels, as well as property value assessments and property tax information. These GIS maps may also include place names, zoning boundaries, bodies of water, flood zones, and other geographic information in Suffolk County New York. The Recorder of Deeds may also have historic GIS maps. These maps are often available on the Suffolk County Recorder of Deeds website.

Suffolk County Recorder of Deeds Riverhead NY 310 Center Drive South 11901 631-852-2000